Heavy Rain, Washington
- When
- July 30, 2:00 PM EST to 10:00 PM EST
- Where
- Washington County, West Portion
- 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, July 30, 2000
Scattered thunderstorms produced heavy rainfall across the northern third of Maryland during the afternoon of the 30th. In Carroll County, small streams overflowed their banks after up to 4 inches of rain fell.
Where it happened
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.
- 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
- 3
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.
Scattered thunderstorms produced heavy rainfall across the northern third of Maryland during the afternoon of the 30th. In Carroll County, small streams overflowed their banks after up to 4 inches of rain fell. In Union Bridge, water rose to the bottom of the Route 75 bridge on Main Street. In Washington County, 2.87 inches of rain fell in Hancock. A total of 2.04 inches fell at Carroll Park in Baltimore.
The radar
The Sterling radar (KLWX), 75 km away, was scanning. The volume nearest the first event began at 18:58 UTC.
Event by event
2 heavy rain, 1 flash flood. Local standard time, as filed.
Flash Flood, Carroll
- When
- July 30, 3:30 PM EST to 5:30 PM EST
- Where
- Carroll County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.563, -77.022 (the zone’s center; the record gives no point)
Stream flooding was reported after 3 to 4 inches of rain fell.
Heavy Rain, Baltimore City (C)
- When
- July 30, 4:00 PM EST to 10:00 PM EST
- Where
- Baltimore City (C) County, Baltimore
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.290, -76.612 (the zone’s center; the record gives no point)
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
- Tornado and Flash Flood in Virginia, July 30, 2000
- Lightning Strike in Florida, July 30, 2000
- Flash Flood in Pennsylvania, July 30 to 31, 2000
- Hail and Damaging Winds in Georgia, July 30, 2000
- Damaging Wind in Texas, July 30, 2000
- Flash Flooding in West Virginia, July 30, 2000
- Lightning Strike in Louisiana, July 30, 2000
- Lightning Strike in Florida, July 30, 2000
- Lightning Strike in Florida, July 30, 2000
- Dust Storm in New Mexico, July 30, 2000
- Damaging Wind and Waterspout in Texas, July 30, 2000
- Tornado in Florida, July 30, 2000
More
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, July 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: 5176134, 5176135, 5176136.