A northwest flow between low pressure over New England and high pressure over the Great Lakes provided chilly conditions.
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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 northwest flow between low pressure over New England and high pressure over the Great Lakes provided chilly conditions.
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 Apr 9, 2:47 AM EST, 2 hours 13 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 frost/freeze. Local standard time, as filed.
A temperature of 28 degrees was reported at Mill Gap.
Temperatures were estimated to be in the upper 20s.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Virginia in 2012Every state in 2012This day in weather historyWarnings in Virginia, April 2012
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: 379534, 379535.