New York, 2019

Hail and Damaging Winds in New York, July 11, 2019

July 11, 2019 · NWS BTV · 5 events in 1 county or zone

A moderately strong mid-atmospheric disturbance moved into an increasingly unstable air mass across St. Lawrence during the evening of July 11th.

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
$50,000
Crop damage
None recorded
Events
5

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 BTV wrote it up.

A moderately strong mid-atmospheric disturbance moved into an increasingly unstable air mass across St. Lawrence during the evening of July 11th. Some of these storms produced localized wind damage and a report of 1 inch diameter hail.

The radar

The Ft Drum radar (KTYX), 116 km away, was scanning. The volume nearest the first event began at 21:59 UTC.

Open the radar archive at this moment

Event by event

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

Hail, St. Lawrence

When
July 11, 4:59 PM EST
Where
St. Lawrence County, 0.49 mi W of Potsdam
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
44.670, -74.990

Quarter size diameter hail was reported.

Thunderstorm Wind, St. Lawrence

When
July 11, 5:09 PM EST
Where
St. Lawrence County, 0.69 mi S of West Stockholm
Measured
50 kt (58 mph) estimated gust
Property damage
$10,000
Reported by
Utility Company
Coordinates
44.710, -74.900

Multiple power outages due to downed lines caused by parts of trees on utility lines.

Thunderstorm Wind, St. Lawrence

When
July 11, 5:20 PM EST
Where
St. Lawrence County, 0.85 mi NE of Pierrepont
Measured
50 kt (58 mph) estimated gust
Property damage
$15,000
Reported by
State Official
Coordinates
44.540, -75.010

Several trees downed on utility lines.

Thunderstorm Wind, St. Lawrence

When
July 11, 5:25 PM EST
Where
St. Lawrence County, 0.69 mi S of Hannawa Falls
Measured
50 kt (58 mph) estimated gust
Property damage
$20,000
Reported by
Utility Company
Coordinates
44.610, -74.970

Several trees and utility lines downed by thunderstorm winds.

Thunderstorm Wind, St. Lawrence

When
July 11, 7:00 PM EST
Where
St. Lawrence County, 1.64 mi WSW of Degrasse
Measured
50 kt (58 mph) estimated gust
Property damage
$5,000
Reported by
Law Enforcement
Coordinates
44.340, -75.110

Several trees or pieces of trees downed across Russell.

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

More

Every storm in New York in 2019Every state in 2019This day in weather historyWarnings in New York, July 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 2026-10-01. Each event’s entry at NCEI: 839114, 839115, 839116, 839117, 839121.