Flash Flood, Coos
- When
- June 12, 7:00 AM EST
- Where
- Coos County, Countywide
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 44.690, -71.305 (the zone’s center; the record gives no point)
Flash Flood in New Hampshire, June 12, 2002
Three to five inches of rain in 18 hours caused many streams to rise above bankfull. Road washouts and minor flooding occurred in Milan, Berlin, Dummer, North Stratford, Colebrook, and Stark.
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 GYX wrote it up.
Three to five inches of rain in 18 hours caused many streams to rise above bankfull. Road washouts and minor flooding occurred in Milan, Berlin, Dummer, North Stratford, Colebrook, and Stark. In Lancaster, some residents in Page Hill mobile home park were evacuated, as well as residents in Indian Brook mobile home park. Beaver Dams may have been responsible for the Lancaster flooding.
The radar
The Portland,ME radar (KGYX), 122 km away, was scanning. The volume nearest the first event began at 11:58 UTC.
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 Heavy Rain in Nebraska, June 12, 2002
- High Surf in Hawaii, June 12 to 14, 2002
- Tornado and Flash Flooding in Oklahoma, June 12, 2002
- Hail and Damaging Winds in Texas, June 12, 2002
- Flash Flooding and Hail in Iowa, June 12 to 13, 2002
- Flooding in Vermont, June 12 to 13, 2002
- Damaging Winds in Arkansas, June 12, 2002
- Tornadoes and Flash Flooding in Kansas, June 12 to 13, 2002
- Damaging Winds in Missouri, June 12, 2002
- Flooding in New York, June 12 to 13, 2002
- Flash Flooding and Hail in Illinois, June 12 to 13, 2002
- Tornadoes and Flash Flooding in Iowa, June 12 to 13, 2002
More
Every storm in New Hampshire in 2002Every state in 2002This day in weather historyWarnings in New Hampshire, June 2002
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 2026-10-01. Each event’s entry at NCEI: 5305478.