Washington's greatest winter storms room the great "Nor'easters".

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They acquire their name from the powerful northeast winds lock produce. In order for a nor'easter to give Washington a huge amount that snow, there must an initial be a source of cold air. High press builds over new England. The high's arctic wait mass diffusion south right into the Washington area. The dense, cold wait tries to move west over the Appalachian Mountains, yet it can not. It remains trapped ~ above the east side funneling south over the seaside plain. Eastern of the arctic air lies the warmth water that the Gulf Stream. The comparison of the cold wait sinking right into the Carolinas and warm air off the Carolina coastline creates a breeding ground for storms. Incorporate the solid temperature contrast with various other meteorological conditions such together the right position of the jet stream, and a storm's advance can end up being "explosive" (a sudden, quick intensification; a dramatic autumn in the main pressure that the storm). Part meteorologists describe this as a "bomb".

because that a great nor'easter come develop, the jet stream usually enters the West coast of the US and splits. The north branch that the jet stream the cross over the north Rockies and also Canada. It support the southward sinking cold air. The southerly branch dips down to the Gulf coastline states, then transforms northeast throughout Virginia and also rejoins the north branch near Newfoundland. The south branch of the jet currently carries a disturbance from the Gulf shore to the Carolina coastline where that intensifies right into a storm. Winds roughly the storm bring warm, moist air from over the ocean, inland. The waiting rises up and over the arctic waiting on the seaside plain. That cools and also snow begins.

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The storm's specific track and also speed become vital in effectively forecasting and warning for heavy snow across the higher Washington city area. It is quite usual for the rain-snow line to loss right end the District. Hefty snow usually occurs in a small 50 mile-wide band around 150 miles northwest of the low pressure facility (represented as an "L" on the diagram to the left). However, air climbing up right into the mountains may intensify snowfall there and also broaden the area of heavy snow. Closer to the low, the heat ocean air transforms the precipitation over to sleet, freezing rain, and eventually rain. If the forecast storm track is off by simply a little bit, it might mean the difference between heavy rain, freeze rain or sleet (marked as mixed precipitation in the diagram), and a foot or much more of snow.

Winds approximately the storm end up being intense. Inland, a blizzard might be impending with visibility near zero in blowing and also falling snow and winds gusting end 35 mph. On the coast, also stronger northeast winds blow close to the storm's center. Huge waves rack the coast and erode the beaches. Periodically water piles inland resulting in major coastal flooding. Unlike a hurricane which generally comes and also goes in ~ one tidal cycle, the nor'easter have the right to linger through several tides. Each birds piles much more and an ext water on shore and into the bays and takes much more and much more sand away.

perhaps the the strongest nor'easter of this century win on March 5-9, 1962. the is recognized as the Ash Wednesday Storm. It brought about over $200 million (1962 dollars) in residential property damage and major seaside erosion from phibìc Carolina to long Island, NY. In brand-new Jersey alone, that was approximated to have ruined or considerably damaged 45,000 homes. The Red Cross taped that the storm eliminated 40 people. The hit during "Spring Tide." as soon as the sun and moon are in phase, they create a higher than normal huge tide. Water got to nine feet at Norfolk (flooding begins around five feet). Homes were toppled right into the ocean and boardwalks were broken and also twisted. The archipelago of Chincoteague and Assateague were fully underwater. S City, Maryland sustained major damage especially to the south end of the island. Winds as much as 70 mph constructed 40-foot tide at sea. Heavy snow fell in the Appalachian Mountains. Large Meadows, southeast of Luray, recorded Virginia's best 24-hour snowfall v 33 inches and the greatest single storm snowfall through 42 inches. Nearly two feet that snow fell from Charlottesville (21 inches) come Luray (24 inches) come Winchester (22 inches). Roadways were blocked and electrical business was out for numerous days. Washington dropped into the blended precipitation zone.

throughout January and February of 1994, the Washington an ar was struck by a series of ice storms. This area had actually been long over due, but it was extraordinary to have several ice cream storms happen one ~ the other. Ice cream storms are an ext common in the valleys and foothills just east of the Appalachian mountains than in Washington and southern Maryland. Utility company records display the frequency through which wires have actually fallen as result of ice and also needed repairing. The set up because that an ice storm is similar to that for snow. High pressure sits over brand-new England and also cold dry air

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slides south throughout the Washington region. The cold waiting tries to press west yet can not rise over the mountains. It becomes trapped top top the east side. This is dubbed "cold waiting damming". A storm move northeast from the southern levels or Gulf coast region. Instead of pass south and also east the Washington, it move up the west slopes of the mountains. Warm, moist air rises over the mountains and also the trapped cold wait on the east side. Precipitation starts (See diagram).

The kind of precipitation counts on the depth the the cold air. At very first it is regularly deep sufficient for snow, but the heat air linked with the nearing storm erodes the cold air to the eastern of the mountains. The cold waiting mass gets shallower and also shallower. Soon it is no longer snow, yet rain, falling right into cold air (below 32° F). The rain droplets freeze into tiny ice pellets known as sleet. As soon as sleet access time the ground, it bounces and does no stick come objects. Therefore, sleet is generally thought about no an ext than a nuisance. However, in February 1994, a winter storm dumped several inches the sleet over the Frederick area -- sufficient to reason considerable troubles on roadways.

Eventually, the cold air mass is for this reason shallow the the rain does not freeze until it access time the ground. Any kind of object through a temperature listed below 32° F will certainly suddenly find a glaze of ice cream accumulating top top it. This is recognized as freezing rain and also is an extremely dangerous. The glaze of ice on roadways and also walkways is treacherous. Together ice accumulation on trees and wires, the weight eventually reasons them come break, knocking out power and also phone service. Sometimes, so lot ice have the right to accumulate that structural damages occurs come buildings and communication towers please under that weight. After a horrific ice storm to win on February 10-11, 1994, sections of southern Maryland and main Virginia were without power for a mainly from ice cream laden trees and wires falling.

Other varieties of vxcialistoufjg.com solution generally bring only 1 to 4 inch of snow to the Washington city area. These storms encompass the "Alberta Clipper," a quick moving storm native the Alberta, Canada region, and cold fronts sweeping v from the west. However, there space exceptions. Top top January 9, 1996, one unusually solid Alberta Clipper passed through the metro area. This was only a job after snow had finished from a great nor'easter i m sorry dropped up to 2 feet on parts of the greater Washington area. If Virginia and also western Maryland saw just a trace to an customs of snow from the clipper, the District and areas northeast come Baltimore got 4 come 5 customs of fresh snow. The snow caused plows to relocate away from clearing second roads and residential areas and go ago to plowing the main arteries and also emergency routes. For an ext details, watch the Blizzard that 1996.

Records go ago a long time in the Washington area, thanks to early on record keeping by vxcialistoufjg.com observers such together Benjamin Franklin, George Washington and also Thomas Jefferson. Noted below are just some the the historical winter storms to influence the region.

Washington's historical Winter Storms and also Cold Waves

January 28, 1772: This storm was called the Washington and Jefferson snow Storm because both of your diaries tape-recorded it. The storm left 36 inch of snow (3 feet) in central and north Virginia and also the Washington area. Main vxcialistoufjg.com records did not begin until after the civil War. Therefore, this storm is not provided as the record, yet it to be the largest snow because that this area ever before noted.

Winter that 1779-1780: This winter to be so cold the ice to be piled 20 feet high along the Virginia Coast and stayed there until spring! The upper portion of the Chesapeake Bay was frozen enabling people to walk from Annapolis to Kent Island, Maryland. In March, a regiment the the Virginia Infantry marched from Falmouth to Fredericksburg. Castle walked across ice on the Rappahannock river which had been frozen because the previous November.

January 16-18, 1857: This was the good blizzard and also freeze. Much more than a foot that snow fell with temperatures close to zero. Solid winds brought about structural damage on land and wrecked ships in ~ sea. An excellent drifts blocked transportation with the state. Richmond was reduced off from Washington for 7 days. Norfolk was buried under 20 foot drifts the snow! The cold ended up being so excessive that all Virginia rivers to be frozen over. The Chesapeake Bay to be solid ice a mile and also a fifty percent out native its coastline. At Cape Henry (at the mouth the the Chesapeake), one can walk out 100 yards indigenous the lighthouse ~ above the frozen ocean.

January 21, 1863: A severe coastal storm dropped heavy rains top top the Fredericksburg area. It disrupted the Union army offensive procedure in the ill-famed "Mud March".

December 1880: components of west and main Maryland received practically two feet of snow which aided in plummeting temperatures. The coldest temperatures arisen between December 30, 1880, and also January 1, 1881. Baltimore dropped come -6° F, Emmitsburg -19° F, wooden storm (Howard County) -17° F, and also Northwest Washington, DC was -15° F.

March 11-13, 1888: The Blizzard of '88 was likewise known together the White Hurricane. The storm started in Washington the morning of march 11 and also by evening, the city and surrounding area was an ice-entangled mess v fallen tree limbs, electric lines and downed telegraph poles. The city was totally blacked out through the exemption of a few gas lights. Top top the morning that the 12th, people arose to find a half foot the snow and ice blanketing the city. Winds blew approximately 48 mph acquisition down any kind of utility poles left standing. All interaction was reduced off to the outside world. It took a mainly to gain back the links and for Washington to uncover out that Baltimore and brand-new York had actually been hit also harder. By storms end, brand-new York was buried under 21 inches of snow. Temperatures had been in the solitary digits and also teens and the wind roared at 35 mph v gusts approximately 75 mph blowing drifts to 20 feet deep burying some homes and also buildings.

The solid northwest winds behind the storm go out so hard that they emptied the Tidal Potomac. Watercraft builders claimed that low birds was five feet below normal. Just a little channel under the middle of the river included water that soon froze. Dust was viewed blowing follow me the dried the end riverbed! In Baltimore, the low tides base ships at their docks. There is no telegraph, officials changed to sending messages by signal lamps indigenous one old watch tower come another. ~ above the Chesapeake Bay, the water was at its lowest birds on record preventing ships from sailing up it. Many of the craft that were top top the only were moved to shore in the winds causing serious damages or finish loss. At least 40 mariners died, most of which to be on oyster dredges the either capsized or were thrown top top the shore. ~ above the shore of Maryland and Virginia, there to be flooding the submerged whole island washing far a large herd of cattle that had been wintering there.

February 1899: The good Arctic Outbreak of '99 and the great Eastern Blizzard the '99 emerged this month. A snowstorm to win the Washington area on February 8 dumping 14 customs of snow. Excessive cold worked out in behind the storm. Quantico videotaped a record low of -20° F and Washington, DC videotaped -15° F. The blizzard struck on Valentine's work dropping 21 inches in Washington and Baltimore. Winds drive the snow into 10 foot drifts. These blocked transportation lines into the city bring about a major coal shortage that brought about rationing. Food was also rationed, though not as severely as the coal. The storm had given Washington a snow depth the 34 inch (almost 3 feet) and the city taped its biggest monthly snow complete with 35.2 inches. Its biggest seasonal snowfall total was reached that season with 54.4 inches. Warrenton recorded 54 inch (four and also a fifty percent feet) just throughout the month the February, setup a state record for monthly snowfall. That winter (1898-1899) was so cold end a large part that the united state that ice flowed native the Mississippi River right into the Gulf of Mexico! The only other time the this has actually been seen was on February 13, 1784, when ice flows blocked the Mississippi river at brand-new Orleans and then passed right into the Gulf the Mexico.

March-April, 1907: On march 22, the temperature reached 90° F in Northwest Washington, DC and 88° F in university Park. The following day, DC videotaped 93° F and on the 29th 90° F again. The mean temperature because that the critical 10 days of March was 62° F. By April 2, the minimum temperature fell to 23° F and also for the very first 22 work of the month, the temperature averaged only 44° F. The cool spell ongoing through May and June.

January 13-14, 1912 Cold Wave: A record cold wave worked out in end the state. On January 13, Oakland, in west Maryland's Garrett County, videotaped the state's all time document low temperature that -40° F. ~ above the 14th, university Park report -26° F, Hagerstown -27° F, Frederick -21° F, Laurel -19° F and also Tacoma Park -8° F.

March 29, 1921: In Washington, very early spring abruptly finished when a cold prior passed through. On in march 28, it was 82° F in ~ noon in Washington. The temperature dropped to 26° F by the morning of the 29th: a autumn of 56° F in much less than 24 hours. In college Park, the temperature fell from 83° F to 25° F and also reached a minimum that 20° F top top the 30th. The warmth temperatures early in the year caused very early bloom on the fruit trees in the state. The sudden downfall of temperatures in early April caused an excellent damage come the chop for the year.

January 28, 1922: exactly 150 years after the Washington and also Jefferson Storm come the deepest snow of this century come hit components of Virginia. This storm is provided as the record. A tape of hefty snow stretched throughout Richmond (19 inches), Washington, DC (28 inches), and Baltimore (25 inches) immobilizing the region. The weight of the eye was too much for the Knickerbocker theatre on 18th Street and also Columbia in Northwest Washington, DC. The roof of the theater collapsed taking the balcony down with it and crushing almost 100 human being to death. The storm is recognized historically together the Knickerbocker Storm.

April 1, 1924: This April fools Day Storm created the recent recorded significant snowfall (4 or more inches). Baltimore videotaped over 9 customs of snow and Washington got 5 inches. The latest snow ever recorded at Baltimore to be a map on might 9, 1923. In Washington, the latest snow was checked out on may 10, 1906, once a trace fell.

February 7, 1936: over 14 inch of snow dropped in the Washington area in a hefty snow band that extended from the Virginia mountains across southern Washington, southern Maryland and also the lower Eastern Shore wherein 12 come 18 inches of snow fell. The heavy snow assisted to set up the great Spring flood of march 1936, ~ above the grape max River. The was among Washington's worst floods.

March 29-30, 1942: The Palm Sunday snowstorm was an additional seasonal so late comer. Baltimore received its best snow in twenty years with 22 inch measured. Washington tape-recorded 12 inches. Hagerstown recorded 22 inches in 24 hours.

November 6-7, 1953: This is the more quickly recorded major snowfall (4 or more inches) v 5.9 inches tape-recorded in Baltimore. The more quickly measurable snowfall in both Baltimore and also Washington, DC to be 0.3 customs on October 10, 1979, during the world Series. Trace quantities in Baltimore likewise fell ~ above October 9, 1895, and also 1903, and also in Washington top top Oct. 5, 1892.

February 15-16, 1958: over 14 customs of snow fell in the Washington area. An additional nor'easter win on in march 21, yet the hefty snow dropped northeast of Washington. V the march storm, Westminister had actually 28 customs of snow on the ground and a total of 42 inches because that the month.

January 30-31, 1966: A blizzard struck Washington and also the Northeast US. One to two feet that snow covered a huge part the Virginia and also Maryland: Fredericksburg - 15.5 inches; Manassas - 13 inches; Washington - 14 inch (added come a vault snow, the depth on the ground came to 20 inches); and also Baltimore - 12 inches. Extreme blowing and drifting snow continued and also kept roadways closed for several more days crippling transportation lines and also causing a food shortage and rationing.

January 1977: The Bicentennial Winter to be the coldest seen on the east Coast since before the establishing of the republic. In Washington, the snow began on January 4, simply as the Carter management was moving into town. New storms dropped a couple of more customs every couple of days to put a new coating on the highways that were just clearing native the previous storm. It provided a clean look come the piles of dirty snow that were accumulating follow me roadways and also in parking lots. The Tidal potomac (salt water) froze solid, enough that civilization could skate throughout it near the Memorial Bridge. The average temperature in Washington because that the month of January was 25.4° F which to be the coldest because 1856 as soon as the temperature averaged 21.4° F. The normal January median temperature for Washington is 34.6° F. The an extensive cold wave brought about oil and natural gas shortages. President Carter asked world to rotate thermostats down to conserve energy. Washington go not watch the heavy snow that the good Lake an ar experienced the winter. Cold winds blowing throughout the heat lakes brought 68 customs of snow to Buffalo, NY. Washington taped 10 customs of snow in January, however none dropped the remainder of the winter finishing it 5.5 inches listed below normal. The cold tide penetrated right into the South. On January 19, snowflakes were checked out in Miami, Florida!

February 18-19, 1979: The Presidents job Storm was considered the worst storm in 57 years to win the Washington area. Snow depths from the storm were up to 20 customs over northern Virginia and Maryland. At times, snow was fallout’s 2 come 3 inches per hour and temperatures to be in the single digits come teens. Large tractors and also other farm yard machinery had been moved to the mall in DC to protest for greater agricultural pricing. When the storm hit, the farmers provided their devices to help the locals dig out the the practically two feet that snow. 4 deaths occurred in Virginia, which to be attributed to heart strikes due to stress and anxiety from overexertion during and after the storm, and also 18 injuries occurred from falls on ice.

February 11-12, 1983: This storm to win the Presidents job Storm and also was the 2nd greatest snowfall of document for the Washington area. It spanned an unusually huge portion that Virginia and also Maryland with an ext than a foot that snow. The storm collection a new 24 hour snowfall record in Lynchburg, Virginia, v 14.6 inches, Roanoke through 18.6 inches and also Baltimore, Maryland v 22.8 inches. Parts of northern Virginia measure as lot as 30 customs on the ground. Washington, DC officially videotaped 17 inches at national Airport, however 2 feet that snow dropped in surrounding suburbs. Winds gusted end 25 mph all day on February 11 resulting in drifts up to 5 feet. The heavy snow and winds paralyzed the region. The expense of clearing the snow from Virginia roads came to $9 million.

November 11, 1987: The Veteran's day Storm will not be forget by many Washington travelers. Practically a foot (11.5 inches) fell at nationwide Airport. Prince Georges County, MD was difficult hit through up come 13 customs of eye falling in a short amount the time. It captured motorists off guard and also stranded car on the Capitol Beltway. There to be so many cars that eye plows might not gain through to open up the clogged arteries. Car littered the roadway for an ext than 24 hours. The event precipitated the breakthrough of the Washington metropolitan Area Snow plan to facilitate preparedness and an answer to future storms.

This storm struck before the job of lightning detection networks and Doppler vxcialistoufjg.com radar. Once thunderstorms began dumping heavy snow over the Fredericksburg VA, forecasters had no idea. The storm moved northeast throughout the southern Metropolitan area (Prince Georges County). It was not till the quick accumulating eye hit Camp Springs, whereby at the moment the vxcialistoufjg.com forecast Office to be located, walk forecasters establish what to be happening.

March 13-14, 1993: The Superstorm of march '93 had actually a big area of affect that went all the method from Florida and Alabama north through new England. The storm was blamed for part 200 deaths and also cost 2 billion dollars to repair damages and also remove snow. In Florida, the storm created an ocean surge of 9 come 12 feet that eliminated 11 human being on the panhandle (more deaths 보다 the storm surge from Hurricanes Hugo and Andrew) and it spawned 11 tornadoes. In a huge swath native Alabama to brand-new England, that dropped end a foot that snow. In the Mid Atlantic region, vxcialistoufjg.com stations tape-recorded their lowest pressure ever before as the storm's center passed.

The march 1993 storm to be not "the storm the the century" for Washington. Washington had actually seen better snowfall and an ext damage by past storms. The Washington area observed 8 inches come the south-east of the city, 13 inch in the District and within the beltway, and also 18 inch north and west that the city in Loudoun, Frederick and also portions that Montgomery Counties. Unlike many winter storms that follow me up the coast, this storm take it a more inland track throughout Richmond and also the Chesapeake Bay. Too much southwest Virginia witnessed 30 come 42 inch of snow whereby some roofs broke down under the load of the snow. Winds developed blizzard problems over portions of north Virginia and main and west Maryland through snow drifts up to 12 feet! Interstates closeup of the door down. Shelters opened for nearly 4000 stranded travelers and those the left there is no heat and electricity. The national Guard was called to aid with emergency transfer and an essential snow removal. Eleven world died in Virginia, one in the District, and also one in Maryland during and immediately adhering to the storm. The deaths were greatly from heart strikes brought on by overexertion if shoveling snow or native exposure and hypothermia. Snow removal and clean-up costs were estimated at $16 million in Virginia, $22 million in Maryland, and also $500,000 in the ar of Columbia.

January-February, 1994: These two months observed an unusual assault of ice storms top top the Washington area. It started in mid January through an arctic blast that sent out temperatures listed below zero over north Virginia and western and main Maryland for a couple of mornings. The suddenly cold tide shot increase the usage of electricity and also natural gas. The result was over together a big portion of the Eastern us that the strength companies got in rolling black color outs for this reason as no to lose the network entirely and requested people to conserve energy.

Between mid January and mid February, about a dozen storms struggle dropping snow, sleet, and also freezing rain. The most disastrous storm struck February 10-11 leave a cloak of ice, one to three inches thick, from freezing rain and also sleet! The hardest hit to be an area from near Fredericksburg across southern Maryland and also Annapolis. Some counties lost 10 percent of their trees from the heavy ice. Roads were blocked and impassable. Electric and also phone lines were down v as much as 90 percent of the area's world without power. Even with help from out-of-state energy companies, many people were without strength for a week. A presidential disaster declaration was given. Loss were estimated at close to 100 million dollars for the region. There were plenty of injuries native automobile accidents and civilization falling on ice. It was most likely the iciest winter the Washington area has ever seen.

January 7-13, 1996: The Blizzard the '96 or the good Furlough Storm began early top top Sunday, January 7. Just two days earlier, one impasse in between a republican congress and a autonomous president end the 1996 Federal spending plan had finally concerned an end. Numerous federal employees had been ~ above furlough with federal government offices shut down for practically a month. Employees would finally return to work-related on Monday, January 8. However, mommy nature did not cooperate. Through Monday morning, Washington, DC was buried under 17 come 21 inches of snow. Thirty come 36 customs of snow dropped over Frederick and western Loudoun Counties. Baltimore tape-recorded over 22 inches and even s City got 10 inches of snow. The entire an ar was paralyzed and the Federal federal government remained close up door down. As roadway crews worked hard to clear the snow, an "Alberta Clipper" shot through on Tuesday, January 9 dumping secondary 3 to 5 inches native Washington northeast v Baltimore. Plows that would have been working on an additional roads and also residential locations were sent ago to the primary roads. The government remained shut for 4 days the week and also many schools and also businesses announced your closure for the whole week. A 3rd storm struck on Friday, January 12 dumping another 4 come 6 inches end the metro area. A best of 6 to 12 inch of snow fell over Frederick Counties. Through the week's end, most of the Washington area was hidden under 2 to 3 feet the snow! (See map presented above).

February 15-17, 2003: The vxcialistoufjg.com map ~ above Saturday the 15th verified high pressure over southwest Ontario v low pressure developing along the Oklahoma/Arkansas border. Through Sunday morning that area of high pressure had strengthened and also moved over southwest Quebec. This allowed a stable stream that cold air to circulation down the eastern side the the Appalachian Mountains into the mid Atlantic an ar - every three major airports reported temperatures in the teens throughout the day. At the very same time low pressure was moving from Alabama to a position just off the phibìc Carolina/Virginia coast. The detailed a stable stream of humidity to flow into the mid Atlantic states. Through 4 to be on the 16th hefty snow to be being reported at all three major airports, reduce visibility come one 4 minutes 1 mile or less. The high pressure throughout Atlantic Canada aided to host the low, a identify Nor’easter, in place, which enabled the snowfall to continue throughout the day. The snowfall finally abated during the morning the Monday the 17th – Presidents Day. Totals for the storm contained 16.4" in ~ DCA, 26.8" in ~ BWI, and also 21.7" in ~ IAD. Countless schools were closed for the entire week.

February 13-14, 2007: The Valentine’s day Sleet Storm. The vxcialistoufjg.com map the morning that Tuesday the 13th proved low press strengthening over Arkansas, v a stationary front expanding eastward across North Carolina. Temperatures in the NWS Sterling forecast area that morning were in the lower 30s. However, v high pressure over upstate new York, surface temperatures dropped listed below freezing by early on afternoon top top northerly winds. Of greater importance to be what was happening come the temperature of the tower of air up to 8000 feet above the surface. vxcialistoufjg.com balloon soundings bring away every six hrs at NWS Sterling showed that warm, above freezing air was flowing right into the area ~ above southwesterly winds in between 5000 feet and 8000 feet. This was leading to the snow falling native the clouds come melt, yet as this drops descended more to refreeze prior to reaching the surface, forming sleet. Eastern of Washington DC the obelisk of subfreezing air was not as thick, and the drops continued to be liquid till they reached the surface, wherein they refroze on call to type freezing rain. East of the Blue Ridge, sleet built up quickly ~ above the morning that the 14th – Valentine’s Day. Totals for the storm ranged indigenous 4-8” the snow and sleet throughout northern Virginia and central Maryland, to as much as ¾ inch of ice cream in southern Prince Georges County. Virtually 69,000 residences lost strength in anne Arundel County. The work after the storm were of tiny help to road and power crews, and those trying to clear driveways, together temperatures stayed subfreezing till the afternoon that the 17th.December 18-19, 2009: top top the morning the Friday, December 18th low press was situated in the Gulf the Mexico near the Florida Panhandle. Cold high press was located over southern Quebec. By Friday night the low moved off the north Carolina coast and underwent explosive intensification. Snow started at Dulles Airport about 730 afternoon Friday evening, and also then continued through 11 pm on Saturday. Through Sunday morning the low had moved eastern of Cape Cod.

The shortest snow total for the storm to be 8-10” in south-east St. Mary’s County. Anywhere else in the Sterling projection area got at least 14 inches, with the highest totals videotaped from the main Shenandoah sink to the main Allegheny Highlands. Totals include…in Washington DC 16.4” at national Airport. In Maryland, 18.0” in ~ BWI, glenn Burnie 22.5”, Frederick 22.0”, and Columbia 23.0”. In Virginia, Dulles Airport had actually 18.0”, stuart Draft 28.8”, Waynesboro 28.0”, Centreville 23.0”, and also Linden 26.8”. The greatest snow complete for this storm was in Cherry Grove, WV – 30.0”. For every three major airports this to be the largest single December snowfall in history.

February 5-6, 2010: “Blizzard One.” on the morning the Friday February 5th low pressure was located simply south that the Florida panhandle, with cold high pressure centered over Ontario stretching southeastward into the mid Atlantic states. Snow began at Dulles during the morning that the 5th. By 10 am visibility was diminished to 1/2 mile. By at an early stage evening visibility additional dropped come ¼ mile in moderate to hefty snow , ultimately falling to 1/16 the a mile through 35 mph winds approximately midnight on the 6th. The surface map ~ above the morning that the 6th showed deep low pressure just east of Virginia Beach. Northeasterly winds of 25-30 mph persisted throughout lot of the day Saturday. Visibility continued to be extremely poor through 4 afternoon Saturday afternoon. These conditions reflected those at the other significant airports, and throughout the mid Atlantic region.

This proved to it is in the second historic snowfall the the 2009/10 winter season. The two day totals at the three significant airports – BWI 25.0”, DCA 17.8”, IAD 32.4”. The complete at Dulles was not only the biggest two work snowfall since records began in march 1963; the crushed the previous 2 day total of 23.2” collection in January 1996. The complete at DCA was the fourth greatest two day snowfall in Washington DC because records started in 1871; for Baltimore it was their second greatest.

Totals around the NWS Sterling forecast area included…in Washington DC 27.5” in ~ American University, and also 21.0” in Anacostia. In central Maryland…Frostburg 36.0”, Hancock 30.5”, Wolfsville 30.0”, mountain Airy 28.5”, Norrisville 30.0”, Elkridge 38.3”, Pimlico 28.0”, Crofton 34.0”, Clarksburg 32.0”, and Laurel 32.2”. In northern Virginia…Howellsville 37.0”, Armel 31.5”, Berryville 32.0”, Marshall 32.0”, Leesburg 34.5”, Chantilly 28.0”, and Alexandria 28.9”. In eastern West Virginia…Vanville 30.0”, Middleway 31.0”, Lehew 34.0”, Smiths Crossroads 29.5”, Keyser 29.2”, and also Bayard 33.0”.

February 9-10, 2010: “Blizzard Two." The mid Atlantic an ar only had three work to remove the 13” in Charlottesville come 38” in Howard County obtained in “blizzard one.” A winter storm watch to be issued because that the region on the afternoon that Sunday the 7th – just one day after “blizzard one” had actually ended. Top top the morning of Monday the 8 hours cold high pressure cleared up into the mid Atlantic region, if low press was forming across south Texas, with a second low pressure area centered over Iowa.

Skies end the mid Atlantic top top the overnight hours of the nine were clear, which allowed temperatures to plummet into the reduced teens at most locations by 7 to be Tuesday. On Tuesday morning those 2 low pressure areas were collection to merge over the Ohio Valley. Light snow started to fall in the mid afternoon hours, which ongoing intermittently with the evening and overnight. By midnight the short pressure locations had an unified and moved to the phibìc Carolina coast. This tracked swiftly up the coastline, and also by 5 to be the short intensified deeply turn off the Delmarva. Around this time problems degraded swiftly – visibility lessened as wind speed increased. The snow was fine and powdery, and also blew approximately easily together wind gusts enhanced to 40-50 mph. For a duration around 7 to be VDOT ordered its snowplows to halt operations together visibility was decreased to much less than 100 feet in ~ times. Snow, solid gusty winds and also poor visibility ongoing into the late afternoon.

Totals because that this storm were much less than the very first storm, v a tighter precipitation gradient indigenous northeast to southwest, yet with snow banks five feet or higher along roadways this left snowplows with small room to eliminate the second round the snow. Totals because that the second storm that the week include in Washington DC…DCA 10.8”, and American university 14.0”. In main Maryland…Hancock 15.8”, Smithsburg 25.0”, Westminster 26.0”, Glyndon 24.5”, Scarboro 21.0”, Pimlico 20.5”, Elkridge 16.5”, Pasadena 20.8”, Germantown 18.0”, and Laurel 7.5”. In northern Virginia…Falls Church 13.4”, Alexandria 12.5”, Vienna 11.0”, Marshall 6.0’, Winchester 5.0”, and also Leesburg 12.0”. In east West Virginia…Sheperdstown 14.0”, Martinsburg 16.0”, Berkeley Springs 11.4”, Romney 12.0”, and Bayard 14.0”.

February 2010 statistics

DCA. This to be the very first time (since snowfall records were preserved in 1884) that Washington DC taped two separate double digit snowfalls in the very same month. The one week snowfall record for Washington DC was additionally bested v a complete of 28.6”. The previous document was 28.0”, collection in 1922 throughout the renowned Knickerbocker Storm.

BWI got 49.5” throughout three snowfalls in the an initial ten job of February. Secondary one-half customs was received later on in the month. The 50” total made February 2010 the single snowiest month in the background of Baltimore because snowfall records started in 1893, breaking the prior document of 40.5” collection in February 2003.

Dulles obtained 45.7” throughout the first ten work of February. Combined with another .4” received later on in the month, this made February 2010 the snowiest month at Dulles since records started in 1963. The prior document was 34.9” in February 2003.Janurary 26, 2011: A potent winter storm impacted the Washington and Baltimore metropolitan locations on Wednesday, January 26th. The storm come in 2 waves: The very first wave motivated a period of sleet and also snow across northern Maryland in the early on morning. A second, more powerful wave brought a to explode of heavy snow to lot of the region Wednesday afternoon and evening.

A potent top low relocated through the area throughout the so late afternoon and also evening. Conditions deteriorated rapidly as heavy precipitation overspread the an ar at the start of the afternoon rush hour. Chillier air moved into the area during this time, allowing precipitation to readjust quickly to sleet and then heavy snow. There were many reports that thunder and also lightning emerging with the sleet and also snow. Heavy snow ongoing through the evening hours with snowfall rates around 2 come 3 inches per hour at the height of the event.

Snowfall totals were highest across the northern and also western suburbs that Washington D.C. If snowfall amounts fell far short of the especially totals indigenous the December 2009 and also February 2010 storms, the timing and also intensity the the heavy snow made this storm memorable. The snowfall, coinciding through the afternoon commute, caused multiple hrs of gridlocked traffic due to the treacherous control conditions. Over there were numerous reports of commuters needing 5 to 10 hrs to get home, while others abandoned their vehicles. Snowplows to be unable to move in the gridlock.

The heavy, wet snow lugged down numerous trees and also powerlines. The Washington post reported almost 400,000 world lost strength in the D.C. Area the evening.Washington D.C. Measure 5.0 inch of snowfall on January 26th. The 7.6 inches of snowfall at Baltimore and 7.3 inches in ~ Dulles both set daily snowfall records for January 26th.

February 13, 2014: This storm complied with the time proven pattern for what is forced for the Mid Atlantic come receive big snowfall totals. Top top February 12th the northeastern us was blanketed with high pressure focused over northern new England. This allowed cold air to it is in funneled under the east seaboard. At the exact same time another vital factor, low push along the Gulf Coast, was developing. This would administer the essential moisture. Another key factor in snowfall manufacturing is the the Gulf short track northeast and also intensify turn off the Virginia coast. This is certainly where the low to be positioned ~ above the morning the the 13th. This permitted moisture to stream into the Mid Atlantic ~ above northeasterly winds if a pillar of subfreezing air kept the precipitation frozen. Snow dropped heavily overnight top top the 13th and did not let up until mid-afternoon.

Some totals because that this storm: in Maryland: Glydon 26”, Westminster 25”, Owings Mills, Reisterstown, and also Millers 24”, Manchester 23”, Sykesville and Frostburg 22”. In West Virginia: Romney and also Mount Storm 28”, Cherry Grove 25”, and also Berkeley 19”. In Virginia: Haywood and Linden 21”, Gainesville and also Winchester 20”, Elkton, Earleysville and Leesburg 18”. Reagan nationwide Airport obtained 7.2”.

Jan 22-23, 2016 Blizzard:One of the remarkable things about this storm was that simply a couple of weeks prior, due to the results of El Nino, Washington DC and Baltimore both skilled their warmest end of the year in history – with typical temperatures because that the last ten work of almost four levels warmer than had actually previously ever before been recorded. On both Christmas Eve and Christmas work Baltimore topped 70 degrees. DCA’s four day average temperature because that December 24-27 was 61.5 degrees. Perhaps many impressively Dulles damaged its low maximum temperature document on December 25 through 21 degrees! The 63 degree reading was likewise the warmest low temperature ever recorded in December at Dulles.

The vxcialistoufjg.com began to revolve January 17th, as soon as low pressure brought a mix that snow and also rain come the Mid Atlantic. On the 20th a cold front carried an customs of eye to Washington DC subway area and also caused temperature to fall back below freezing leading as much as January 23.

Low pressure developed along the Texas-Louisiana border ~ above the afternoon the January 21. At the exact same time arctic high pressure descended on the eastern US. This detailed a feeding of cold air into the Mid Atlantic. ~ above the afternoon of the 22nd the low moved off the Georgia coast. Snow started to autumn that morning in the central Shenandoah Valley. By mid-afternoon the moved right into the DC metro area, ending up being extremely heavy throughout the entire an ar by early evening, and continuing transparent the night. Top top the morning of the 23rd the short was located just eastern of Cape Hatteras. Snow continued to pile up in ~ 1-2 customs per hour rates. It involved an end throughout mid-afternoon in the main Shenandoah Valley, yet continued until approximately midnight north of the potomac River come the Pennsylvania border as the short tracked northeast that the Delmarva.

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Snowfall totals in the NWS Sterling forecast area included…Washington DC: 26” in ~ Delcarlia Reservoir, 22.4” in ~ the nationwide Zoo, and also 21” in Adams Morgan. In main Maryland: North grape max 38.5”, Cascade and also Maugansville 37.5”, Frostburg 34”, allude of Rocks 35.2”, Scarboro 33.5”, Westminster 32.2”, and Reisterstown 32.1”. In eastern West Virginia: Glengary 42”, Sheperdstown 40.5”, Jones Springs 39”, Bayard 34.5”, and Smith Crossroads 33.2”. In north Virginia: Gainesboro 38”, Bluemont 36.6”, Ashburn 36”, Berryville 35”, Karo and Bull run both 32.1”, and also Carrsbrook, Hightown, Earleysville, Chantilly and also Opal all 30”.

Washington Winter Statistics

Average Snowfall = 16.6 inches at national ; 22.8 inches at Dulles