An area of low pressure tracked through the Tennessee Valley into the Ohio Valley on the 27th spreading precipitation across Maryland. Precipitation began as snow, but a change over to sleet, and eventually freezing rain occurred from south to north during the afternoon and evening of the 27th.
Every event with a place to put it; 12 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LWX wrote it up.
An area of low pressure tracked through the Tennessee Valley into the Ohio Valley on the 27th spreading precipitation across Maryland. Precipitation began as snow, but a change over to sleet, and eventually freezing rain occurred from south to north during the afternoon and evening of the 27th. Freezing rain finally changed to rain from south to north during the morning and afternoon hours of the 28th. Rain ended during the early evening hours of the 28th.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Jan 26, 9:25 PM EST, 6 hours 35 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1027 PM EST MON JAN 26 2009 ANZ530>537-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 271000- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 1027 PM EST MON JAN 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF COLUMBIA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM TO 6 PM TUESDAY FOR ALL COUNTIES EXCEPT CALVERT AND ST. MARYS. LIGHT SNOW IS EXPECTED TUESDAY MORNING AND AFTERNOON ACROSS THE WASHINGTON AND BALTIMORE METROPOLITAN AREAS. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE. A SECOND ROUND OF WINTRY PRECIPITATION IS EXPECTED TUESDAY NIGHT AND WEDNESDAY MORNING. A WINTER STORM WATCH IS IN EFFECT FROM 6 PM TUESDAY THROUGH 6 PM WEDNESDAY FOR THE AREA WITH THE EXCEPTION OF LOWER SOUTHERN MARYLAND...AND SPOTSYLVANIA STAFFORD AND KING CHARLES COUNTIES. PLEASE REFER WBCWSWLWX /WWSU41/ TO FURTHER DETAILS. SMALL CRAFT ADVISORY CONDITIONS ARE POSSIBLE WEDNESDAY AND WEDNESDAY NIGHT FOR THE MARYLAND CHESAPEAKE BAY AND TIDAL POTOMAC RIVER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051- WVZ050>055-501>504-271000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON- HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- 1027 PM EST MON JAN 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA... NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND WITH THE EXCEPTION OF GARRETT COUNTY. .DAY ONE...TONIGHT LIGHT SNOW IS EXPECTED TO BEGIN TO DEVELOP ACROSS WESTERN MARYLAND AND THE EASTERN WEST VIRGINIA PANHANDLE OVERNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WINTER WEATHER ADVISORY IS IN EFFECT FROM 4 AM TO 6 PM TUESDAY. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE ACROSS THE OUTLOOK AREA. A SECOND ROUND OF WINTRY PRECIPITATION IS EXPECTED TUESDAY NIGHT AND WEDNESDAY. A WINTER STORM WATCH IS IN EFFECT FROM 6 PM TUESDAY THROUGH 6 PM WEDNESDAY. PLEASE REFER WBCWSWLWX /WWSU41/ TO FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
The national radar mosaic for the moment the first event began.
13 winter storm, 2 winter weather. Local standard time, as filed.
Ice accumulation around one quarter of an inch was reported across western Allegany County. Snow and sleet accumulation of 3.0 inches was reported in Eckhart Mines.
Ice accumulation around one quarter of an inch was reported across western Allegany County. Snow and sleet accumulation was estimated around 3.0 inches across the central and eastern parts of the county.
Reports of ice accumulation at least a quarter of an inch were received across the county. Snow and sleet accumulation was estimated at 2 to 3 inches across the county.
Ice accumulation of 0.38 of an inch was reported in Point of Rocks. |Snow and sleet accumulation of 2.3 inches was also reported in Thurmont.
Ice accumulation of one quarter inch was estimated throughout the county. |Snow and sleet accumulations were estimated around 2 to 3 inches across the county.
Ice accumulation of one quarter inch was reported in Kingsville. |Snow and sleet accumulation of 2 to 3 inches was reported across the county.
Ice accumulation of one quarter inch was reported in Towson. Snow and sleet accumulation of 2 to 3 inches was also reported across southern Baltimore County.
Ice accumulation of at least a quarter of an inch was estimated throughout the county. Snow and sleet accumulation was estimated at 2 to 3 inches across the county.
Ice accumulation of four tenths of an inch was reported in Ellicott City. Snow and sleet accumulation was estimated at 2 to 3 inches across the county.
Ice accumulation around one quarter of an inch was reported throughout the county. Snow and sleet accumulation was estimated at 2 to 3 inches across the county.
Ice accumulation around one quarter of an inch was reported throughout the county. Snow and sleet accumulation around 2 to 3 inches was reported throughout the county as well.
Winter Storm conditions were reported throughout the county.
Winter Storm conditions were reported throughout the county.
Ice accumulation around one tenth of an inch was reported across the county. Snow and sleet accumulation around 2 inches was reported throughout the county.
Ice accumulation around one tenth of an inch was reported across the county. Snow and sleet accumulation around 2 inches was reported throughout the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2009Every state in 2009This day in weather historyWarnings in Maryland, January 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 147723, 147724, 147725, 147727, 147729, 147731, 147733, 147734, 147735, 147736, 147737, 147743, 147744, 147741, 147742.