Heavy Rain, Washington
- When
- September 19, 12:00 AM EST to 7:00 PM EST
- Where
- Washington County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.604, -77.814 (the zone’s center; the record gives no point)
Flash Flood and Heavy Rain in Maryland, September 19, 2000
The remnants of Tropical Storm Gordon moved across central Maryland on the 19th and dropped up to 3 inches of rainfall. 38 inches fell in Manchester.
Where it happened
Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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.
What happened
The episode as NWS LWX wrote it up.
The remnants of Tropical Storm Gordon moved across central Maryland on the 19th and dropped up to 3 inches of rainfall. In Carroll County, 2.78 inches fell in Westminster, 2.48 inches was reported at Piney Run, and 2.38 inches fell in Manchester. A few roads across the county were closed by high water. In downtown Baltimore, 2.45 inches was recorded. In Howard County, 2.83 inches fell near Columbia, 2.08 inches fell in Laurel, 1.72 inches fell in Ellicott City, and 1.50 inches fell in Lisbon. In Montgomery County, 2.10 inches was estimated near Damascus and 2.05 inches was reported at Brighton Dam. In Frederick County, 2.16 inches was reported in Emittsburg and 1.65 inches fell in Frederick. In Washington County, 2.11 inches fell in Sharpsburg and 1.72 inches was reported in Hagerstown.
The radar
The Sterling radar (KLWX), 75 km away, was scanning. The volume nearest the first event began at 05:02 UTC.
Event by event
5 heavy rain, 1 flash flood. Local standard time, as filed.
Heavy Rain, Frederick
- When
- September 19, 12:00 AM EST to 7:00 PM EST
- Where
- Frederick County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.472, -77.398 (the zone’s center; the record gives no point)
Heavy Rain, Montgomery
- When
- September 19, 12:00 AM EST to 7:00 PM EST
- Where
- Montgomery County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
Heavy Rain, Howard
- When
- September 19, 12:00 AM EST to 7:00 PM EST
- Where
- Howard County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.251, -76.931 (the zone’s center; the record gives no point)
Heavy Rain, Baltimore City (C)
- When
- September 19, 12:00 AM EST to 7:00 PM EST
- Where
- Baltimore City (C) County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.290, -76.612 (the zone’s center; the record gives no point)
Flash Flood, Carroll
- When
- September 19, 12:00 PM EST to 4:00 PM EST
- Where
- Carroll County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 39.563, -77.022 (the zone’s center; the record gives no point)
A few roads were closed by high water.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Wildfire in Oklahoma, September 19, 2000
- Damaging Wind in Florida, September 19, 2000
- Hurricane in Guam, September 19 to 21, 2000
- Flash Flooding in Pennsylvania, September 19, 2000
- Damaging Wind in Florida, September 19, 2000
- Flash Flooding and Heavy Rain in Virginia, September 19, 2000
- Heavy Rain in Maryland, September 19, 2000
- Flash Flood and Heavy Rain in New Jersey, September 19, 2000
- Hail and Damaging Wind in Florida, September 19, 2000
- Heavy Rain in West Virginia, September 19, 2000
- Damaging Wind in Delaware, September 19, 2000
- Heavy Rain in New York, September 19, 2000
More
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, September 2000
Sources
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: 5156376, 5156377, 5156378, 5156379, 5156381, 5156380.