A trough of low pressure over the region was able to trigger a few showers and thunderstorms. A hot and humid air mass caused enough instability for a couple thunderstorms to produce damaging wind gusts and large hail.
Every event with a place to put it. 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 trough of low pressure over the region was able to trigger a few showers and thunderstorms. A hot and humid air mass caused enough instability for a couple thunderstorms to produce damaging wind gusts and large hail.
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 Aug 1, 2:46 AM EST, 4 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
9 marine thunderstorm wind. Local standard time, as filed.
Winds gust in excess of 31 knots was reported at Point Lookout.
Wind gusts in excess of 31 knots were reported at St. Inigoes/KNUI.
Wind gusts in excess of 31 knots were reported at Point Lookout CBIBS buoy.
Wind gusts up to 45 knots were reported at Goose's Reef CBIBS Buoy.
Wind gusts in excess of 33 knots were reported at Bishops Head.
Wind gusts up to 41 knots were reported at Crisfield.
Wind gusts up to 37 knots were reported at Patuxent River.
Wind gusts of 32 knots were reported at Raccoon Point.
Wind gusts of 31 knots were reported at Goose's Reef CBIBS Buoy.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Atlantic Coastal Waters in 2012Every state in 2012This day in weather history
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 2026-09-24. Each event’s entry at NCEI: 408106, 408100, 407929, 409353, 407930, 407931, 407932, 409364, 409354.