High pressure overhead caused mainly clear skies and light winds during the early morning hours of the 23rd. High amounts of low-level moisture combined with radiational cooling, causing areas of dense fog to develop.
Every event with a place to put it; 1 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.
High pressure overhead caused mainly clear skies and light winds during the early morning hours of the 23rd. High amounts of low-level moisture combined with radiational cooling, causing areas of dense fog to develop.
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 Jun 23, 2:54 AM EST, 2 hours 6 minutes earlier.
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NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EDT SAT JUN 23 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0346 PM TSTM WND DMG 3 S FREDERICKSBURG 38.25N 77.48W
06/22/2012 SPOTSYLVANIA VA 911 CALL CENTER
TREE DOWN NEAR INTERSECTION OF IRONWOOD LANE AND
PERSIMMON LANE
&&
EVENT NUMBER LWX1200406
KLWPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EDT SAT JUN 23 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0347 PM TSTM WND DMG 4 ENE MASSAPONAX 38.22N 77.44W
06/22/2012 SPOTSYLVANIA VA 911 CALL CENTER
TREE DOWN ACROSS BENCHMARK ROAD NEAR MILLS DR.
&&
EVENT NUMBER LWX1200407
KLWPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EDT SAT JUN 23 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0347 PM TSTM WND DMG 4 NE MASSAPONAX 38.22N 77.45W
06/22/2012 SPOTSYLVANIA VA 911 CALL CENTER
TREE DOWN NEAR INTERSECTION OF MILLS DR AND LEE HILL
SCHOOL DR.
&&
EVENT NUMBER LWX1200408
KLWPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM EDT SAT JUN 23 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0348 PM TSTM WND DMG 4 S BROOKFIELD 38.25N 77.43W
06/22/2012 SPOTSYLVANIA VA 911 CALL CENTER
TREE DOWN ACROSS BENCHMARK RD NEAR TIDEWATER TRAIL.
&&
EVENT NUMBER LWX1200409
KLW<!doctype html>
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</html>The national radar mosaic for the moment the first event began.
1 dense fog. Local standard time, as filed.
Visibility was reported to be around one quarter mile at Petersburg.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in West Virginia in 2012Every state in 2012This day in weather historyWarnings in West Virginia, June 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 2026-09-24. Each event’s entry at NCEI: 392445.