Low pressure across the Mid-Atlantic region on the morning of the 17th in combination with east winds off the Atlantic Ocean produced showers and thunderstorms with very heavy rainfall. 47 inches at Washington Reagan National Airport.
Every event with a place to put it; 2 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.
Low pressure across the Mid-Atlantic region on the morning of the 17th in combination with east winds off the Atlantic Ocean produced showers and thunderstorms with very heavy rainfall. Rainfall totals included 2.88 inches at Falls Church, 2.27 inches in Herndon, 2.25 inches in Annandale, 2.23 inches in Centreville, and 1.47 inches at Washington Reagan National Airport. During the morning rush hour over 20 roads in Fairfax County were closed by high water, including Hunter Mill Road between Oakton and Reston.
The Sterling radar (KLWX), 24 km away, was scanning. The volume nearest the first event began at 10:58 UTC.
1 flash flood, 1 heavy rain. Local standard time, as filed.
Roads were closed by high water and over 2 inches of rain fell in 12 hours.
Over 2.5 inches of rain fell in 12 hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Virginia in 2000Every state in 2000This day in weather historyWarnings in Virginia, April 2000
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: 5140915, 5140916.