New Hampshire, 1998

Damaging Winds in New Hampshire, May 29, 1998

May 29, 1998 · NWS BOX · 4 events in 2 counties and zones

An active cold front collided with a warm, very humid airmass during the late afternoon and early evening, resulting in severe thunderstorms in parts of southern New Hampshire. Trees were reported blown down in Walpole and large limbs were knocked down in Westmoreland in Cheshire County.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
$5,000
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.

What happened

The episode as NWS BOX wrote it up.

An active cold front collided with a warm, very humid airmass during the late afternoon and early evening, resulting in severe thunderstorms in parts of southern New Hampshire. Trees were reported blown down in Walpole and large limbs were knocked down in Westmoreland in Cheshire County. Trees and limbs were reported blown down in New Ipswich. Amateur radio operators reported that many trees were downed in Nashua, including one report of a tree on a van and a second tree on the roof of a home. One store window was blown out in downtown Nashua. No injuries were reported.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Cheshire

When
May 29, 4:30 PM EST
Where
Cheshire County, Walpole to Westmoreland
Measured
50 kt (58 mph)
Reported by
AMATEUR RADIO
Coordinates
43.080, -72.430

Thunderstorm Wind, Cheshire

When
May 29, 4:50 PM EST
Where
Cheshire County, Jaffrey
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.820, -72.030

Thunderstorm Wind, Hillsborough

When
May 29, 5:00 PM EST
Where
Hillsborough County, New Ipswich
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.750, -71.850

Thunderstorm Wind, Hillsborough

When
May 29, 5:20 PM EST to 5:28 PM EST
Where
Hillsborough County, Brookline to Nashua
Measured
55 kt (63 mph)
Property damage
$5,000
Reported by
AMATEUR RADIO
Coordinates
42.730, -71.670

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

More

Every storm in New Hampshire in 1998Every state in 1998This day in weather historyWarnings in New Hampshire, May 1998

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: 5656182, 5656261, 5656262, 5656263.