Flash Flood — Windsor, Vermont

2023-07-10 · near Chester, Windsor, Vermont

Event narrative

Training showers and thunderstorms with heavy rainfall affected this area between the early morning and early to mid afternoon on July 10. Observations and radar estimates show 3 to 7 inches of rainfall occurred, with localized totals to 8 inches. Severe to devastating flash flooding occurred in several towns during this period, most notably in Weston, Ludlow, Plymouth and Bridgewater.

Wider weather episode

Multiple rounds of heavy rainfall affected Vermont from late afternoon of the 9th through the early morning hours on the 11th. During the roughly 36-hour period, 4 to as much as 9 inches of rain fell across much of the Green Mountains, leading to devastating flash and riverine flooding.

Major river flooding was observed in the Winooski, Lamoille and Otter Creek basins with moderate to major flooding in the White River basin. Severe river flooding occurred in the communities of Montpelier, Waterbury, Johnson, Cambridge and Woodstock. State estimated damage between July 7- July 21 was in the $400-500. Million range between flash flooding and the devastating major river flooding.

View location on OpenStreetMap → (43.2393, -72.6121)

Source: NOAA Storm Events Database, event_id 1110133. Narrative written by the NWS forecast office that issued the report.