Flash Flood in Vermont
Every flash flood event the National Weather Service has filed in Vermont, year by year, with the most significant episodes. Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
The most significant on the map
The most significant flash flood episodes in Vermont.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 481
- Deaths
- 8
- Injuries
- 4
- Damage
- $544 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Flash Flooding in Vermont, July 10 to 11, 2024The remnants of TS Beryl combined with deep tropical moisture and a stationary front draped across the region produced multiple rounds of heavy showers and storms.
- Flash Flooding and Flooding in Vermont, August 28 to 31, 2011Tropical Storm Irene moved across southeast New York and southwest New England during the morning hours of August 28th and then proceeded to track north along the Connecticut River Valley in Vermont during the afternoon and evening.
- Flash Flooding in Vermont, July 9 to 11, 2023Multiple rounds of heavy rainfall affected Vermont from late afternoon of the 9th through the early morning hours on the 11th.
- Flash Flooding and Flood in Vermont, May 26 to 27, 2011A surface low as well as upper atmospheric energy traveled along a quasi-stationary boundary across northern New York and Vermont during the afternoon and evening of May 26th.
- Tropical Storm and Flash Flooding in Vermont, August 28 to 29, 2011Tropical Storm Irene tracked north northeast across eastern New York and western New England during Sunday, August 28th, producing widespread flooding, and damaging winds across the region.
- Flash Flooding and Flooding in Vermont, July 29 to 30, 2021Bands of moderate to heavy rainfall set up across areas southern Vermont during the afternoon and evening hours on Thursday, July 29, 2021 north of a warm front and area of low pressure.
- Flash Flood and Hail in Vermont, July 21, 2010On July 21st, a developing surface low across the Great Lakes traveled along a stationary boundary draped across the North Country. Surface conditions became increasingly unstable during the afternoon with temperatures in the 80s and dewpoints in the 60s and lower 70s.
- Flash Flooding and Flooding in Vermont, November 1, 2019A developing area of low pressure moved from the Gulf of Mexico on during the night of the 30th and moved north into the eastern Great Lakes as it intensified during the evening of October 31st.
- Tornado and Flash Flooding in Vermont, May 28 to 29, 2012A warm front moved across Vermont during the morning hours of May 29th, which lead to numerous thunderstorms with heavy rain, damaging lightning and some isolated large hail and strong winds.
- Flash Flooding and Damaging Winds in Vermont, July 1, 2017Heavy rainfall of 3 to 4 inches during the past 3-4 days had pre-saturated the soils across much of central Vermont.
- Flash Flooding in Vermont, July 30, 2024A cluster of nearly stationary thunderstorms affected portions of Caledonia, Essex and Orleans Counties in northeastern Vermont during the early to mid morning hours of July 30, 2024.
- Flash Flooding and Flooding in Vermont, April 26 to 29, 2011Snowmelt from an above normal snowpack and daytime high temperatures in the 50s and 60s on the 25th and 26th, combined with rainfall of a half to one inch early on the 26th to set the stage for a significant flood event across the region.
- Flash Flood in Vermont, July 15 to 16, 1997A cold front stalled across northern Vermont during the morning hours of July 15, 1997 and focused heavy convective rain during the morning of July 15. This resulted in numerous road and bridge washouts, especially in eastern Franklin county.
- Flash Flooding and Lightning Strike in Vermont, July 11, 2007On the afternoon of July 11th...a warm and very moist airmass was draped across Vermont. In addition, a slow moving cold front entered Vermont from west to east during the afternoon.
- Flash Flood and Ice Storm in Vermont, December 20 to 22, 2013A stationary boundary was draped across the Adirondacks of New York into portions of central and northern New England from December 20th through 22nd with several disturbances delivering precipitation.
- Flash Flood in Vermont, June 27, 1998An area of low pressure tracked across New York and New England during the late night of Friday (June 26) and morning of Saturday (June 27). Heavy convective rains fell with 3 to 6 inches across the county.
- Flash Flood in Vermont, June 27, 1998An area of low pressure tracked across New York and New England during the late night of Friday (June 26) and morning of Saturday (June 27). Heavy convective rains fell with 3 to 6 inches across the county. Extensive flooding occurred, especially along the Mad River.
- Flash Flooding and Lakeshore Flood in Vermont, May 4 to 5, 2018An energetic storm system moved from the Great Lakes across the St. Lawrence Valley into Ontario/Quebec during the afternoon and evening hours of May 4th. Instability was marginal for thunderstorm development during the evening hours with thunderstorms ahead of a cold front.
- Flash Flooding and Flooding in Vermont, July 10 to 11, 2023A strong upper-level system brought widespread rounds of showers and embedded thunderstorms to southern Vermont on July 9-11, 2023. The steadiest and heaviest rainfall occurred from the afternoon hours on July 9 through the morning hours on July 10.
- Flash Flooding and Flooding in Vermont, May 23 to 28, 2013Heavy rainfall from training showers and thunderstorms produced flash flooding across Chittenden and Lamoille Counties in Vermont beginning in the afternoon and evening of May 23.
- Flash Flooding in Vermont, June 14 to 15, 2008A weak surface low developed along a slow moving cold front across the Champlain Valley of Vermont during the late afternoon and evening hours of June 14th.
- Flash Flooding and Hail in Vermont, May 17, 2025A 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.
- Flash Flooding and Hail in Vermont, July 10, 2025A weak cold front slowly moved across northern NY and VT during the afternoon and evening hours of July 10th.
- Flash Flooding in Vermont, July 10, 2023Widespread showers and thunderstorms with heavy rainfall affected the region on July 10, 2023 leading to areas of significant to severe flash flooding.
- Flash Flood in Vermont, July 15 to 16, 1997A cold front stalled across northern Vermont during the morning of July 15, 1997. This front focused heavy convective rain in this area. Extensive flooding with a number of road washouts resulted. Rises on area rivers were quite rapid.
More
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.