New Hampshire, 1999

Damaging Wind and Lightning Strike in New Hampshire, August 17, 1999

August 17, 1999 · NWS BOX · 2 events in 2 counties and zones

A severe thunderstorm downed trees in Walpole. As other thunderstorms moved into Hillsborough County, two men were struck by lightning in Manchester as they were sitting in their home.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
2
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

A severe thunderstorm downed trees in Walpole. As other thunderstorms moved into Hillsborough County, two men were struck by lightning in Manchester as they were sitting in their home.

The radar

The Albany radar (KENX), 144 km away, was scanning. The volume nearest the first event began at 01:06 UTC.

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Event by event

1 thunderstorm wind, 1 lightning. Local standard time, as filed.

Thunderstorm Wind, Cheshire

When
August 17, 8:05 PM EST
Where
Cheshire County, Walpole
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
43.080, -72.430

Lightning, Hillsborough

When
August 17, 9:26 PM EST
Where
Hillsborough County, Manchester
Injuries
2 direct, 0 indirect
Reported by
NEWSPAPER
Coordinates
42.915, -71.716 (the zone’s center; the record gives no point)

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.
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

More

Every storm in New Hampshire in 1999Every state in 1999This day in weather historyWarnings in New Hampshire, August 1999

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: 5713417, 5713418.