Hail and Damaging Wind in Maine, July 21, 2022

Name: Hail and Damaging Wind in Maine, July 21, 2022
Start: 2022-07-21T17:10
End: 2022-07-21T19:00
Location: Maine

July 21, 2022 · NWS CAR · 3 events in 2 counties and zones

A warm front crossed the region during the morning of the 21st. A cold front and strong upper level disturbance then crossed the region during the afternoon and evening.

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: 3

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 CAR wrote it up.

A warm front crossed the region during the morning of the 21st. A cold front and strong upper level disturbance then crossed the region during the afternoon and evening. Thunderstorms developed during the afternoon and persisted into the evening. Isolated severe thunderstorms produced large hail and damaging winds.

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 Caribou, ME wrote its last area forecast discussion before the first event at Jul 21, 2:33 PM EST, 2 hours 37 minutes earlier.

Area forecast discussion, Jul 21, 2:33 PM EST, 2 hours 37 minutes before

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Hazardous weather outlook, Jul 21, 10:39 AM EST, 6 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Caribou ME
1139 AM EDT Thu Jul 21 2022

MEZ001>006-010-011-015-031-221545-
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-Central Penobscot-Southern Penobscot-
Southern Piscataquis-
1139 AM EDT Thu Jul 21 2022

...SEVERE THUNDERSTORM WATCH 479 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for Central Highlands Maine, Far
Eastern Maine, Far Northern Maine, North Woods Maine and Penobscot
Valley Maine.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ016-017-029-030-032-221545-
Interior Hancock-Central Washington-Coastal Hancock-
Coastal Washington-Northern Washington-
1139 AM EDT Thu Jul 21 2022

This Hazardous Weather Outlook is for Coastal DownEast Maine, Far
Eastern Maine and Interior DownEast Maine.

.DAY ONE...This afternoon and tonight.

An isolated strong thunderstorm is possible this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

ANZ050>052-221545-
Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM-
Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM-
Intra Coastal Waters from Schoodic Point, ME to Stonington, ME-
1139 AM EDT Thu Jul 21 2022

This Hazardous Weather Outlook is for Atlantic Coastal Waters.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Jul 21, 3:59 PM EST, 1 hour 11 minutes before

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Special weather statement, Jul 21, 4:28 PM EST, 42 minutes before

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Special weather statement, Jul 21, 4:31 PM EST, 39 minutes before

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Special weather statement, Jul 21, 4:33 PM EST, 37 minutes before

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Special weather statement, Jul 21, 4:37 PM EST, 33 minutes before

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Special weather statement, Jul 21, 5:04 PM EST, 6 minutes before

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The radar

The Caribou radar (KCBW), 153 km away, was scanning. The volume nearest the first event began at 22:08 UTC.

Open the radar archive at this moment

Event by event

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

Hail, Piscataquis

When: July 21, 5:10 PM EST
Where: Piscataquis County, Greenville
Measured: 1.75 in hail
Reported by: Social Media
Coordinates: 45.470, -69.600

Hail, Piscataquis

When: July 21, 5:22 PM EST
Where: Piscataquis County, 1.94 mi E of (3b1)greenville Arpt
Measured: 1.25 in hail
Reported by: Trained Spotter
Coordinates: 45.470, -69.510

Thunderstorm Wind, Aroostook

When: July 21, 7:00 PM EST
Where: Aroostook County, Van Buren
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 47.150, -67.950

A barn under construction was collapsed by wind gusts estimated at up to 60 mph. Several trees were also toppled. The time is estimated.

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

Every storm in Maine in 2022 Every state in 2022 This day in weather history Warnings in Maine, July 2022

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: 1044868, 1044869, 1044867.