New Hampshire, 2025Hail and Damaging Winds in New Hampshire, August 5, 2025
August 5, 2025 · NWS GYX · 4 events in 2 counties and zones
A hot and unstable airmass was in place on the evening of August 5th. A strong cap kept convection at a minimum, but one strong storm developed across Sullivan County and moved south before weakening.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
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.
A hot and unstable airmass was in place on the evening of August 5th. A strong cap kept convection at a minimum, but one strong storm developed across Sullivan County and moved south before weakening. The storm had damaging winds and large hail.
Thunderstorm Wind, Sullivan
- When
- August 5, 5:20 PM EST to 5:25 PM EST
- Where
- Sullivan County, 1.71 mi SW of South Acworth
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 43.180, -72.300
A severe thunderstorm outflow boundary downed a tree near New England Museum of Mines in Acworth.
Hail, Cheshire
- When
- August 5, 5:30 PM EST to 5:35 PM EST
- Where
- Cheshire County, 0.5 mi W of East Alstead
- Measured
- 1.25 in hail
- Reported by
- Amateur Radio
- Coordinates
- 43.130, -72.290
A severe thunderstorm dropped hail the size of ping pongs east of Alstead.
Thunderstorm Wind, Sullivan
- When
- August 5, 5:30 PM EST to 5:35 PM EST
- Where
- Sullivan County, 2.89 mi SW of South Acworth
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 43.170, -72.320
A severe thunderstorm outflow boundary downed a tree on an old barn along NH123A near Forest Road near Alstead.
Thunderstorm Wind, Cheshire
- When
- August 5, 5:35 PM EST to 5:40 PM EST
- Where
- Cheshire County, 0.86 mi SE of East Alstead
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Fire Department/Rescue
- Coordinates
- 43.120, -72.270
A severe thunderstorm outflow boundary downed a large tree partially blocking Forest Rd. in East Alstead near Hill Pond Farm.
- 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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flood in North Carolina, August 5, 2025$100,000 · 1 event
- Tornado and Flash Flooding in South Dakota, August 5 to 6, 20253 in hail · 40 events
- Flash Flood and Damaging Wind in North Dakota, August 5, 2025$20,000 · 52 kt wind · 2 events
- Hail and Damaging Winds in South Dakota, August 5 to 6, 20251.75 in hail · 11 events
- Flash Flooding and Damaging Winds in South Carolina, August 5, 2025$1,000 · 50 kt wind · 10 events
- Flash Flooding and Damaging Winds in Georgia, August 5, 202552 kt wind · 5 events
- Flash Flooding and High Wind in North Dakota, August 5, 202550 kt wind · 5 events
- Flash Flooding in North Carolina, August 5, 2025$5,000 · 4 events
- Hail and Damaging Wind in Minnesota, August 5 to 6, 20251.25 in hail · 3 events
- Flash Flood and Hail in Montana, August 5, 2025$2,000 · 1.25 in hail · 2 events
- Hail and Damaging Wind in Montana, August 5, 20251 in hail · 2 events
- Flash Flood and Flood in South Carolina, August 5, 2025$5,000 · 2 events
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 2026-09-30. Each event’s entry at NCEI: 1292517, 1292516, 1292518, 1292519.