Flash Flood, Hampden
- When
- June 29, 3:00 PM EST to 6:00 PM EST
- Where
- Hampden County, Granville
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.135, -72.632 (the zone’s center; the record gives no point)
Flash Flood in Massachusetts, June 29, 2000
An isolated, nearly stationary thunderstorm dumped torrential rainfall on the Cobble Mountain Reservoir area, producing flash flooding along the border of Glanville and Blandford. An area covering roughly 20 to 50 square miles received 4 to 6 inches of rain in a short time, which resulted in three road washouts, including a portion of Beech Hill Road.
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
- None recorded
- 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 BOX wrote it up.
An isolated, nearly stationary thunderstorm dumped torrential rainfall on the Cobble Mountain Reservoir area, producing flash flooding along the border of Glanville and Blandford. An area covering roughly 20 to 50 square miles received 4 to 6 inches of rain in a short time, which resulted in three road washouts, including a portion of Beech Hill Road.
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
- Hail and Damaging Winds in Kansas, June 29 to 30, 2000
- Tornado and Hail in Nebraska, June 29, 2000
- Tornado and Hail in Kansas, June 29, 2000
- Tornadoes and Hail in Nebraska, June 29, 2000
- Tornadoes and Hail in Kansas, June 29, 2000
- Hail and Damaging Wind in Nebraska, June 29, 2000
- Hail and Damaging Wind in Ohio, June 29, 2000
- Damaging Wind and Lightning Strike in Arizona, June 29, 2000
- Lightning Strike in New York, June 29, 2000
- Damaging Wind in New York, June 29, 2000
- Hail and Lightning Strike in Michigan, June 29, 2000
- Hail in North Dakota, June 29, 2000
More
Every storm in Massachusetts in 2000Every state in 2000This day in weather historyWarnings in Massachusetts, June 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: 5150341.