Thunderstorm Wind, Grand Isle
- When
- July 5, 2:10 AM EST
- Where
- Grand Isle County, Alburg Spgs
- Property damage
- $5,000
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 44.980, -73.220
Damaging Wind in Vermont, July 5, 1999
A mesoscale convective system consisting of a cluster of thunderstorms moved across northern NY and northern Vermont during the early morning hours of Monday, July 5th. There were numerous reports of trees and power lines blown down.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $5,000
- Crop damage
- None recorded
- Events
- 1
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 mesoscale convective system consisting of a cluster of thunderstorms moved across northern NY and northern Vermont during the early morning hours of Monday, July 5th. There were numerous reports of trees and power lines blown down. For example, in Grand Isle county of Vermont, trees and large branches were blown down in Alburg Springs.
The radar
The Burlington radar (KCXX), 52 km away, was scanning. The volume nearest the first event began at 07:10 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
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
- Tornado and Flash Flooding in Arizona, July 5 to 29, 1999
- Heat and Hail in North Carolina, July 5 to 25, 1999
- Heat in Pennsylvania, July 5, 1999
- Heat in Massachusetts, July 5, 1999
- Damaging Wind in Vermont, July 5, 1999
- Damaging Wind in Wisconsin, July 5, 1999
- Flash Flood in Wisconsin, July 5, 1999
- Damaging Winds in Maine, July 5, 1999
- Damaging Wind and Lightning Strike in Arizona, July 5, 1999
- Hail in Kansas, July 5, 1999
- Lightning Strike in Arizona, July 5, 1999
- Damaging Winds in Vermont, July 5, 1999
More
Every storm in Vermont in 1999Every state in 1999This day in weather historyWarnings in Vermont, July 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 2026-09-24. Each event’s entry at NCEI: 5716920.