New Hampshire, 2019

Hail and Damaging Winds in New Hampshire, August 21, 2019

August 21, 2019 · NWS GYX · 4 events in 2 counties and zones

A few thunderstorms developed in the vicinity of a northward moving warm front across southern New Hampshire on the afternoon of the 21st. One storm produced damaging winds and large hail.

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

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The toll

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.

What happened

The episode as NWS GYX wrote it up.

A few thunderstorms developed in the vicinity of a northward moving warm front across southern New Hampshire on the afternoon of the 21st. One storm produced damaging winds and large hail.

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 Aug 21, 10:40 AM EST, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 21, 10:40 AM EST, 2 hours 25 minutes before
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Hazardous weather outlook, Aug 21, 3:25 AM EST, 9 hours 40 minutes before
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In the hours before

Special weather statement, Aug 21, 12:45 PM EST, 20 minutes before
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The radar

The Boston radar (KBOX), 87 km away, was scanning. The volume nearest the first event began at 18:02 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 1 hail, 1 funnel cloud. Local standard time, as filed.

Hail, Hillsborough

When
August 21, 1:05 PM EST
Where
Hillsborough County, 2.89 mi ESE of Long Hill
Measured
1 in hail
Reported by
Social Media
Coordinates
42.710, -71.400

Quarter size hail.

Thunderstorm Wind, Hillsborough

When
August 21, 1:05 PM EST
Where
Hillsborough County, 2.89 mi ESE of Long Hill
Measured
50 kt (58 mph) estimated gust
Reported by
Amateur Radio
Coordinates
42.710, -71.400

Tree down near Dracut Road.

Thunderstorm Wind, Hillsborough

When
August 21, 1:10 PM EST
Where
Hillsborough County, 1.52 mi W of Pelham
Measured
50 kt (58 mph) estimated gust
Reported by
Amateur Radio
Coordinates
42.730, -71.350

Trees downed on Bush Hill Road.

Funnel Cloud, Merrimack

When
August 21, 4:40 PM EST
Where
Merrimack County, Hooksett
Reported by
Trained Spotter
Coordinates
43.100, -71.470

A funnel cloud was reported in association with a thunderstorm near Hooksett, New Hampshire. It did not touch down.

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.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.

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

The same day elsewhere

More

Every storm in New Hampshire in 2019Every state in 2019This day in weather historyWarnings in New Hampshire, August 2019

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: 853346, 853347, 853348, 853345.