A period of snow developed as weak low pressure tracked through the area.
Every event with a place to put it; 9 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.
A period of snow developed as weak low pressure tracked through the area.
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 Dec 14, 1:38 PM EST, 22 hours 22 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
9 winter weather. Local standard time, as filed.
Snowfall totaled up to one-half inch near Thurmont and Emmitsburg.
Snowfall totaled up to one-half inch near Oakland.
Snowfall totaled up to 1.5 inches near Long Green and 0.8 inches in Reisterstown.
Snowfall totaled up to 1.0 inches near Pimlico.
Snowfall totaled up to one-half inch in Crofton.
Snowfall totaled up to 0.8 inches in Elkridge.
Snowfall totaled up to 0.5 inches in Ellicott City.
Snowfall totaled up to 2.0 inches in Pylesville.
Snowfall totaled up to 2.0 inches in Bynum.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2017Every state in 2017This day in weather historyWarnings in Maryland, December 2017
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 2026-10-01. Each event’s entry at NCEI: 729445, 729446, 729447, 729448, 729449, 729450, 729451, 729452, 729453.