Alert archive / Hawaii / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Hawaii, 2020

4 severe thunderstorm watches in 2020. 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 2020. Tap one for its archive.

Severe Thunderstorm Watches
4
Busiest month
January2 severe thunderstorm watches
Busiest day
January 10, 20202 severe thunderstorm watches

Over time

By month

The alerts

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

IssuedProductOfficeCountiesLasted
Jan 10, 3:44 AM HSTSevere Thunderstorm WatchSPCHonolulu, Kauai67 days
Jan 10, 11:30 AM HSTSevere Thunderstorm WatchSPCKauai68 days
Mar 17, 11:05 AM HSTSevere Thunderstorm WatchSPCKalawao6 hr
Mar 18, 9:11 AM HSTSevere Thunderstorm WatchSPCKauai5 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 archive20192021

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. Warning verification from the Mesonet's Cow. Rebuilt daily.