Hail and Damaging Winds in New Hampshire, July 9, 2007

Name: Hail and Damaging Winds in New Hampshire, July 9, 2007
Start: 2007-07-09T12:52
End: 2007-07-09T21:52
Location: New Hampshire

July 9, 2007 · NWS GYX · 22 events in 5 counties and zones

An extended period of severe thunderstorm activity affected much of southern New Hampshire from the early afternoon through the evening hours of July 9th. Numerous reports of large hail and damaging winds were fielded during this event.

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: $10,000
Crop damage: None recorded
Events: 22

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.

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 9, 9:37 AM EST, 3 hours 15 minutes earlier.

Area forecast discussion, Jul 9, 9:37 AM EST, 3 hours 15 minutes before

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Hazardous weather outlook, Jul 9, 11:26 AM EST, 1 hour 26 minutes before

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In the hours before

Special weather statement, Jul 9, 7:54 AM EST, 4 hours 58 minutes before

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Special weather statement, Jul 9, 10:56 AM EST, 1 hour 56 minutes before

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Special weather statement, Jul 9, 11:54 AM EST, 58 minutes before

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The radar

The Burlington radar (KCXX), 121 km away, was scanning. The volume nearest the first event began at 17:53 UTC.

Open the radar archive at this moment

Event by event

13 hail, 8 thunderstorm wind, 1 lightning. Local standard time, as filed.

Hail, Grafton

When: July 9, 12:52 PM EST to 12:55 PM EST
Where: Grafton County, Lebanon
Measured: 0.75 in hail
Reported by: Public
Coordinates: 43.650, -72.250

A severe thunderstorm produced .75 inch hail in Lebanon.

Thunderstorm Wind, Grafton

When: July 9, 12:52 PM EST to 12:54 PM EST
Where: Grafton County, Lebanon
Measured: 50 kt (58 mph) estimated gust
Reported by: Public
Coordinates: 43.650, -72.250

A severe thunderstorm downed large branches in Lebanon.

Thunderstorm Wind, Grafton

When: July 9, 12:52 PM EST to 12:55 PM EST
Where: Grafton County, Hanover
Measured: 50 kt (58 mph) estimated gust
Reported by: Public
Coordinates: 43.700, -72.280

A severe thunderstorm downed trees in Hanover.

Thunderstorm Wind, Carroll

When: July 9, 1:06 PM EST to 1:08 PM EST
Where: Carroll County, Conway
Measured: 50 kt (58 mph) estimated gust
Reported by: Public
Coordinates: 43.980, -71.120

A severe thunderstorm downed large branches in Conway.

Lightning, Rockingham

When: July 9, 2:10 PM EST
Where: Rockingham County, Portsmouth
Property damage: $10,000
Reported by: Newspaper
Coordinates: 43.070, -70.770

Lightning struck a storage shed and ignited a fire that burned it to the ground.

Hail, Merrimack

When: July 9, 6:56 PM EST to 6:58 PM EST
Where: Merrimack County, Hill
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.520, -71.700

A severe thunderstorm produced .88 inch hail in Hill.

Hail, Belknap

When: July 9, 7:05 PM EST to 7:06 PM EST
Where: Belknap County, Sanbornton
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.480, -71.580

A severe thunderstorm produced .88 inch hail in Sanbornton.

Hail, Belknap

When: July 9, 7:09 PM EST to 7:11 PM EST
Where: Belknap County, Laconia
Measured: 1.25 in hail
Reported by: Public
Coordinates: 43.520, -71.470

A severe thunderstorm produced 1.25 inch hail in Laconia.

Hail, Belknap

When: July 9, 7:15 PM EST to 7:17 PM EST
Where: Belknap County, Gilford
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.550, -71.400

A severe thunderstorm produced .88 inch hail in Gilford.

Hail, Merrimack

When: July 9, 7:30 PM EST to 7:32 PM EST
Where: Merrimack County, New London
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.420, -71.980

A severe thunderstorm produced .88 inch hail in New London.

Thunderstorm Wind, Merrimack

When: July 9, 7:30 PM EST to 7:33 PM EST
Where: Merrimack County, Sutton
Measured: 50 kt (58 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 43.330, -71.970

A severe thunderstorm downed trees in Sutton.

Thunderstorm Wind, Grafton

When: July 9, 7:30 PM EST to 7:33 PM EST
Where: Grafton County, Lebanon
Measured: 60 kt (69 mph) measured gust
Reported by: Public
Coordinates: 43.650, -72.250

A severe thunderstorm downed large branches in Lebanon. Wind gusts of 67 and 69 mph measured at the Lebanon Airport.

Thunderstorm Wind, Grafton

When: July 9, 7:34 PM EST to 7:36 PM EST
Where: Grafton County, Lebanon
Measured: 50 kt (58 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 43.650, -72.250

A severe thunderstorm downed large branches in Lebanon.

Thunderstorm Wind, Merrimack

When: July 9, 7:35 PM EST to 7:37 PM EST
Where: Merrimack County, Wilmot
Measured: 50 kt (58 mph) estimated gust
Reported by: Law Enforcement
Coordinates: 43.450, -71.920

A severe thunderstorm downed trees in wires in Wilmot.

Hail, Merrimack

When: July 9, 8:12 PM EST to 8:14 PM EST
Where: Merrimack County, Concord
Measured: 2 in hail
Reported by: Public
Coordinates: 43.200, -71.550

A severe thunderstorm produced 2 inch hail in Concord.

Hail, Merrimack

When: July 9, 8:17 PM EST to 8:20 PM EST
Where: Merrimack County, Concord
Measured: 1 in hail
Reported by: Public
Coordinates: 43.200, -71.550

A severe thunderstorm produced 1 inch hail in Concord.

Hail, Merrimack

When: July 9, 8:30 PM EST to 8:32 PM EST
Where: Merrimack County, Concord
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 43.200, -71.550

A severe thunderstorm produced 1 inch hail in Concord.

Hail, Merrimack

When: July 9, 8:30 PM EST to 8:33 PM EST
Where: Merrimack County, 2 mi E of Concord
Measured: 1 in hail
Reported by: Public
Coordinates: 43.200, -71.510

A severe thunderstorm produced 1 inch hail 2 miles east of Concord.

Hail, Rockingham

When: July 9, 8:42 PM EST to 8:45 PM EST
Where: Rockingham County, Deerfield
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.150, -71.220

A severe thunderstorm produced .88 inch hail in Deerfield.

Hail, Merrimack

When: July 9, 9:03 PM EST to 9:05 PM EST
Where: Merrimack County, Concord
Measured: 0.88 in hail
Reported by: Public
Coordinates: 43.200, -71.550

A severe thunderstorm produced .88 inch hail in Concord.

Thunderstorm Wind, Merrimack

When: July 9, 9:15 PM EST to 9:18 PM EST
Where: Merrimack County, Concord
Measured: 50 kt (58 mph) estimated gust
Reported by: Public
Coordinates: 43.200, -71.550

A severe thunderstorm downed trees and wires in Concord.

Hail, Rockingham

When: July 9, 9:50 PM EST to 9:52 PM EST
Where: Rockingham County, Epping
Measured: 0.75 in hail
Reported by: Trained Spotter
Coordinates: 43.030, -71.070

A severe thunderstorm produced .75 inch hail in Epping.

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.
Lightning: A lightning strike that killed, injured or caused damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in New Hampshire in 2007 Every state in 2007 This day in weather history Warnings in New Hampshire, July 2007

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: 47746, 47759, 47760, 47761, 51060, 47747, 47748, 47749, 47750, 47751, 47762, 47766, 47763, 47764, 47752, 47753, 47754, 47755, 47756, 47757, 47765, 47758.