Alert archive / Connecticut / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Connecticut, 2021

18 severe thunderstorm watches in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Severe Thunderstorm Watches
18
Busiest month
July7 severe thunderstorm watches
Busiest day
May 26, 20213 severe thunderstorm watches

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 21, 12:28 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region and 1 more5 hr
May 26, 12:59 PM EDTSevere Thunderstorm WatchSPCNorthwest Hills Planning Region7 hr
May 26, 2:48 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region7 hr
May 26, 3:56 PM EDTSevere Thunderstorm WatchSPCCapitol Planning Region, Northeastern Connecticut Planning Region5 hr
Jun 4, 3:09 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region5 hr
Jun 21, 3:45 PM EDTSevere Thunderstorm WatchSPCNorthwest Hills Planning Region7 hr
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region and 1 more7 hr
Jul 6, 1:13 PM EDTSevere Thunderstorm WatchSPCCapitol Planning Region, Northwest Hills Planning Region, Northeastern Connecticut Planning Region7 hr
Jul 6, 1:32 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region8 hr
Jul 7, 2:41 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region and 1 more10 hr
Jul 8, 2:09 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region and 1 more7 hr
Jul 17, 1:13 PM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region10 hr
Jul 21, 11:56 AM EDTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Northeastern Connecticut Planning Region7 hr
Jul 27, 2:47 PM EDTSevere Thunderstorm WatchSPCCapitol Planning Region, Northwest Hills Planning Region, Northeastern Connecticut Planning Region6 hr
Sep 8, 7:54 PM EDTSevere Thunderstorm WatchSPCNorthwest Hills Planning Region4 hr
Sep 15, 3:43 PM EDTSevere Thunderstorm WatchSPCCapitol Planning Region, Northwest Hills Planning Region6 hr
Oct 16, 12:35 PM EDTSevere Thunderstorm WatchSPCNorthwest Hills Planning Region6 hr
Nov 13, 12:27 PM ESTSevere Thunderstorm WatchSPCGreater Bridgeport Planning Region, Capitol Planning Region, Northwest Hills Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region and 1 more6 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.