Upslope snow showers developed during the early morning hours of March 17th and continued through the late evening along the western slopes of the Allegheny Front in the wake of a strong cold front. The cold front and associated low pressure system brought several inches of snow to the region on March 16th before upslope showers developed several hours later.
Every event with a place to put it; 2 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.
Upslope snow showers developed during the early morning hours of March 17th and continued through the late evening along the western slopes of the Allegheny Front in the wake of a strong cold front. The cold front and associated low pressure system brought several inches of snow to the region on March 16th before upslope showers developed several hours later. Snowfall amounts ranged from 3 to 5 inches across Allegany and Washington Counties.
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 Mar 16, 2:29 PM EST, 11 hours 31 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Cooperative Observers reported between 3 and 5 inches of snow near Frostburg, MD.
Trained Spotters reported between 3 and 5 inches of snow near Hancock, MD.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2007Every state in 2007This day in weather historyWarnings in Maryland, March 2007
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: 21320, 21321.