Tropical Storm — Dukes, Massachusetts

2021-08-22 · Dukes, Massachusetts

Event narrative

In Edgartown at 838 AM EST, Atlantic Drive was closed due to storm surge flooding. At 847 AM EST, the ASOS at Martha's Vineyard Airpport (KMVY) recorded a gust to 45 mph. At 921 AM EST, a Weatherflow mesonet site recorded a gust to 46 mph.

Wider weather episode

Tropical Storm Henri made landfall in southwest Rhode Island around noon on August 22nd, then moved slowly northwestward and westward across northern Connecticut and weakened. Henri brought strong wind gusts and flash flooding. The strongest gusts -- to 70 mph -- occurred along the Rhode Island coast. The worst flash flooding occurred in northeast Connecticut.

As the remnants of Henri moved eastward across southern New England on August 23rd, it spawned three tornadoes and a waterspout in MA and also it caused some renewed flooding.

The highest rainfall totals over the two-day period ranged from 5 to 6 inches in Hartford and Tolland Counties in northern Connecticut and in Franklin, Hampshire, and Hampden Counties in western Massachusetts.

Source: NOAA Storm Events Database, event_id 979787. Narrative written by the NWS forecast office that issued the report.