New Hampshire, 2008

Hail and Damaging Winds in New Hampshire, June 29, 2008

June 29, 2008 · NWS GYX · 5 events in 2 counties and zones

Late afternoon severe thunderstorms produced large hail and damaging winds across portions of southern New Hampshire on June 29th.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

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.

Late afternoon severe thunderstorms produced large hail and damaging winds across portions of southern New Hampshire on June 29th.

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 Jun 29, 2:49 PM EST, 51 minutes earlier.

Area forecast discussion, Jun 29, 2:49 PM EST, 51 minutes before
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Hazardous weather outlook, Jun 29, 9:36 AM EST, 6 hours 4 minutes before
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In the hours before

Special weather statement, Jun 29, 9:48 AM EST, 5 hours 52 minutes before
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Special weather statement, Jun 29, 2:54 PM EST, 46 minutes before
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The radar

The Boston radar (KBOX), 147 km away, was scanning. The volume nearest the first event began at 20:42 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind, 2 hail. Local standard time, as filed.

Hail, Merrimack

When
June 29, 3:40 PM EST to 3:42 PM EST
Where
Merrimack County, 0.5 mi E of Henniker
Measured
0.75 in hail
Reported by
Public
Coordinates
43.180, -71.820

A severe thunderstorm produced .75 inch hail in Henniker.

Thunderstorm Wind, Merrimack

When
June 29, 3:46 PM EST to 3:49 PM EST
Where
Merrimack County, 0.5 mi E of Henniker
Measured
50 kt (58 mph) estimated gust
Reported by
Fire Department/Rescue
Coordinates
43.180, -71.820

A severe thunderstorms downed trees in Henniker.

Thunderstorm Wind, Rockingham

When
June 29, 4:33 PM EST to 4:37 PM EST
Where
Rockingham County, 0.86 mi NW of Derry
Measured
50 kt (58 mph) estimated gust
Reported by
Public
Coordinates
42.880, -71.330

A severe thunderstorm brought down large branches in Derry.

Thunderstorm Wind, Rockingham

When
June 29, 4:33 PM EST to 4:36 PM EST
Where
Rockingham County, Windham
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
42.800, -71.300

A severe thunderstorm downed several large trees in Windham.

Hail, Merrimack

When
June 29, 4:38 PM EST to 4:41 PM EST
Where
Merrimack County, 0.69 mi N of Loudon
Measured
0.88 in hail
Reported by
Public
Coordinates
43.290, -71.470

A severe thunderstorm produced .88 inch hail in Loudon.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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

More

Every storm in New Hampshire in 2008Every state in 2008This day in weather historyWarnings in New Hampshire, June 2008

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 2026-09-30. Each event’s entry at NCEI: 114037, 114039, 114040, 114041, 114038.