Alert archive / Hawaii / Red Flag Warnings

Red Flag Warnings in Hawaii, 2021

5 red flag warnings 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 red flag warnings reaches back to 2005.

Red Flag Warnings by county

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

Red Flag Warnings
5
Busiest month
September3 red flag warnings
Busiest day
August 25, 20211 red flag warnings

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
Aug 25, 12:14 PM HSTRed Flag WarningHFO29 hr
Sep 3, 3:14 AM HSTRed Flag WarningHFO38 hr
Sep 17, 3:50 AM HSTRed Flag WarningHFO38 hr
Sep 20, 12:34 PM HSTRed Flag WarningHFO51 hr
Oct 6, 3:11 AM HSTRed Flag WarningHFO5 days

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.