Flash Flood in Chittenden County, Vermont

Flash Flood May 17, 2025 · Chittenden County, Vermont

$20K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Stream out of banks and flooding Bostwick Road with debris on road.

The wider storm

A weak area of low pressure and associated front moved across northern NY and Vermont during the afternoon and evening hours of May 17th. This system moved across a relatively unstable airmass across the region that resulted in numerous showers and thunderstorms.

Some of the thunderstorms were severe with damaging winds and large hail upward of golf ball size (1.75 inches diameter). In addition there was heavy rain and some training of thunderstorms that quickly produced 2 to 3 inches of rain. some of these areas had actually witnessed 1/2 to 1+ inches of rain the preceding day, making it more vulnerable to flooding.

Began near Shelburne (44.3609, -73.2577).

Source: NOAA Storm Events Database, event 1246423. Narratives are written by the National Weather Service forecast office that issued the report.

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