Heavy Rain, Montgomery
- When
- September 1, 3:00 AM EST to 5:00 AM EST
- Where
- Montgomery County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
During the early morning hours of the 1st, isolated thunderstorms dropped heavy rainfall across eastern Frederick and western Montgomery Counties. 87 inches fell in Damascus.
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.
During the early morning hours of the 1st, isolated thunderstorms dropped heavy rainfall across eastern Frederick and western Montgomery Counties. A total of 2.10 inches was reported in Germantown and 1.87 inches fell in Damascus. Two separate observers in Frederick reported rainfall totals of 2.67 inches and 1.65 inches respectively.
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, September 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: 5156307, 5156308.