Flash Flood, Berkshire
- When
- August 3, 4:40 PM EST
- Where
- Berkshire County, Lanesborough
- Property damage
- $15,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.371, -73.206 (the zone’s center; the record gives no point)
Flash Flood and Damaging Winds in Massachusetts, August 3, 2000
A fairly strong cold front worked into eastern New York, and approached Berkshire county late on August 3. Ahead of it, was a very humid unstable airmass.
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
- $30,000
- 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 ALY wrote it up.
A fairly strong cold front worked into eastern New York, and approached Berkshire county late on August 3. Ahead of it, was a very humid unstable airmass. As a result, numerous thunderstorms developed during the late afternoon and evening. These storms produced torrential rainfall which flooded portions of U.S. Highway Route 7 in Lanesborough. Winds from the thunderstorms also knocked down trees at both Lenox and Cheshire.
The radar
The Albany radar (KENX), 74 km away, was scanning. The volume nearest the first event began at 22:00 UTC.
Event by event
2 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Thunderstorm Wind, Berkshire
- When
- August 3, 5:00 PM EST
- Where
- Berkshire County, Lenox
- Property damage
- $8,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.367, -73.283
Thunderstorm Wind, Berkshire
- When
- August 3, 5:25 PM EST
- Where
- Berkshire County, Cheshire
- Property damage
- $7,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.567, -73.167
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.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Dust Storm in Nevada, August 3, 2000
- Heat in Texas, August 3, 2000
- Flood in Illinois, August 3, 2000
- Hail and Damaging Winds in New York, August 3, 2000
- Flash Flood in Kentucky, August 3, 2000
- Hail and Damaging Wind in Massachusetts, August 3, 2000
- Damaging Winds in Mississippi, August 3, 2000
- Hail in Florida, August 3, 2000
- Lightning Strike in South Carolina, August 3, 2000
- Damaging Wind in Vermont, August 3, 2000
- Damaging Wind in Kentucky, August 3, 2000
- Damaging Wind in Tennessee, August 3, 2000
More
Every storm in Massachusetts in 2000Every state in 2000This day in weather historyWarnings in Massachusetts, August 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: 5154912, 5154913, 5154914.