Areas of dense fog formed during the early morning hours across the northern suburbs of Washington DC southeast across lower southern Maryland. Visibilities across the area were reduced to less than a quarter mile.
Every event with a place to put it; 3 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.
Areas of dense fog formed during the early morning hours across the northern suburbs of Washington DC southeast across lower southern Maryland. Visibilities across the area were reduced to less than a quarter mile.
The national radar mosaic for the moment the first event began.
4 dense fog. Local standard time, as filed.
Automated surface observations surrounding Charles County reported dense fog reducing visibilities to one quarter mile of less.
Automated surface observations in Montgomery County reported dense fog reducing visibilities to one quarter mile of less.
Automated surface observations in Prince Georges County reported dense fog reducing visibilities to one quarter mile of less.
Automated surface observations in St. Mary's County reported dense fog reducing visibilities to one quarter mile of less.
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, February 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 2026-10-01. Each event’s entry at NCEI: 16209, 16210, 16211, 16212.