Thunderstorm Wind, Belknap
- When
- July 1, 12:20 PM EST
- Where
- Belknap County, Sanbornton
- Measured
- 50 kt (58 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.483, -71.583
Damaging Wind in New Hampshire, July 1, 2001
Winds from a a severe thunderstorm knocked over trees in the towns of Sanbornton and Belmont. A large tree also fell on a home in Laconia.
Where it happened
Every event with a place to put it. 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.
Winds from a a severe thunderstorm knocked over trees in the towns of Sanbornton and Belmont. A large tree also fell on a home in Laconia.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before the first event at Jul 1, 8:55 AM EST, 3 hours 25 minutes earlier.
Area forecast discussion, Jul 1, 8:55 AM EST, 3 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 955 AM EDT SUN JUL 1 2001 SYNOPSIS...STRONG COLD FRONT WILL SWEEP SOUTHEAST ACROSS THE FORECAST AREA THIS AFTERNOON AND EVENING. HIGH PRESSURE WILL BUILD EAST INTO THE AREA MONDAY. PUBLIC...ACTIVE FRONT WITH STRONG UPPER LEVEL DYNAMICS ALREADY PROMPTED A WATCH AND WARNINGS IN NEW YORK STATE. FOCUS WILL SHIFT TO PORTIONS OF GYX SERVICE AREA THIS AFTERNOON...WITH ADDED BENEFIT OF AFTERNOON HEATING AND DESTABLIZATION. SPC MODERATE RISK OF SEVERE WEATHER FOR SOUTHERN NEW HAMPSHIRE WITH SLIGHT RISK REMAINDER OF FORECAST AREA LOOKS GOOD. EXPECT THAT DAMAGING WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT. WILL UPDATE ZONE FORECASTS TO EMPHASIZE POTENTIAL FOR THUNDERSTORMS WITH DAMAGING WINDS. PWMWRKZFP AVAILABLE FOR COORDINATION. MARINE...SOUTHWEST WINDS REMAIN BELOW SCA CRITERIA THIS MORNING. EXPECT WINDS TO PICK UP LATER TODAY AND WILL CONTINUE SCA. EXPECT THUNDERSTORM WIND GUSTS WILL BE A PROBLEM FOR MARINERS AND WILL EMPHASIZE THIS IN COASTAL WATERS FORECAST UPDATE. PWMWRKCWF AVAILABLE FOR COORDINATION. FCSTID = 7 .GYX... ME...NONE. NH...NONE. WHEELER y
In the hours before
Special weather statement, Jul 1, 9:06 AM EST, 3 hours 14 minutes before
MEZ007>009-012>014-018>028-NHZ001>010-013-014-020200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAY ME 1006 AM EDT SUN JUL 1 2001 ...SEVERE THUNDERSTORMS CONTAINING STRONG GUSTY WINDS AND HAIL ARE EXPECTED TO DEVELOP ACROSS WESTERN MAINE AND MUCH OF NEW HAMPSHIRE AS WELL AS THE ADJACENT COASTAL WATERS THIS AFTERNOON INTO THIS EVENING... A VERY STRONG COLD FRONT WILL SWEEP ACROSS THE AREA THIS EVENING PRECEDED BY WARM HUMID TEMPERATURES AND VERY POWERFUL THUNDERSTORMS. SOME OF THESE THUNDERSTORMS MAY PRODUCE WIND GUSTS IN EXCESS OF 60 MPH WITH LARGE DAMAGING HAIL AND TORRENTIAL DOWNPOURS. PEOPLE PLANNING OUTDOOR ACTIVITIES FOR THIS AFTERNOON AND EVENING...INCLUDING THOSE PLANNING TO DO SOME BOATING ON SOME OF THE LAKES OR ALONG THE COASTAL AREAS...ARE STRONGLY ADVISED TO PAY CLOSE ATTENTION TO WEATHER FORECASTS AND STATEMENTS CONCERNING THIS UPCOMING WEATHER EVENT. CONDITIONS ARE LIKELY TO CHANGE QUICKLY THIS AFTERNOON SO ALL INTERESTS SHOULD BE PREPARED. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/GYX MARINE
The radar
The Portland,ME radar (KGYX), 116 km away, was scanning. The volume nearest the first event began at 17:18 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- 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
- Drought in Michigan, July 1 to 31, 2001
- Heat in Pennsylvania, July 1, 2001
- Rip Current in Michigan, July 1, 2001
- Damaging Winds and Lightning Strikes in Maryland, July 1, 2001
- Hail and Damaging Winds in New York, July 1, 2001
- Tropical Storm in Guam, July 1 to 3, 2001
- Flash Flooding and Hail in Texas, July 1, 2001
- Wildfire in Alaska, July 1 to 7, 2001
- Hail and Damaging Winds in Massachusetts, July 1, 2001
- Tornado in Florida, July 1, 2001
- Flood in Minnesota, July 1 to 31, 2001
- Damaging Winds and Lightning Strike in West Virginia, July 1, 2001
More
Every storm in New Hampshire in 2001Every state in 2001This day in weather historyWarnings in New Hampshire, July 2001
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: 5262390.