Flash Flood, Montgomery
- When
- June 19, 11:00 PM EST to June 20, 1:00 AM EST
- Where
- Montgomery County, N Portion
- Property damage
- $40,000
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
Flash Flood in Maryland, June 19 to 20, 1996
Yet another round of tropical convection developed over flood-weary north central Maryland during the late evening of the 19th. Additional rainfall totals generally between 1 and 2 inches renewed flash flooding, closing hundreds of roads once again, including several main thoroughfares, from Baltimore City to Frederick Co.
Where it happened
Every event with a place to put it; 1 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
- $40,000
- Crop damage
- None recorded
- Events
- 1
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.
Yet another round of tropical convection developed over flood-weary north central Maryland during the late evening of the 19th. Additional rainfall totals generally between 1 and 2 inches renewed flash flooding, closing hundreds of roads once again, including several main thoroughfares, from Baltimore City to Frederick Co. No additional evacuations were necessary.Dozens of homes in Frederick Co had flooded basements once again, but flood waters were slowly receding on county farms. Numerous roads were closed once again.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- 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
- Flash Flood in Maryland, June 19, 1996
- Flash Flood in Maryland, June 19, 1996
- Tornado in Nebraska, June 19, 1996
- Lightning Strike in Florida, June 19, 1996
- Lightning Strike in Maryland, June 19, 1996
- Flash Flood in Pennsylvania, June 19, 1996
- Flash Flood in Pennsylvania, June 19 to 20, 1996
- Flooding in Iowa, June 19 to 26, 1996
- Flash Flood in Pennsylvania, June 19, 1996
- Hail in Iowa, June 19, 1996
- Hail in South Dakota, June 19, 1996
- Flash Flood in Maryland, June 19, 1996
More
Every storm in Maryland in 1996Every state in 1996This day in weather historyWarnings in Maryland, June 1996
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: 5561175.