Alert archive

Weather alerts in Hawaii

9,981 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
9,981
Warnings
3,339
Watches
487
Advisories
5,817
Busiest year
2018811 alerts
Average year
356over 28 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

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

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 17, 9:34 AM HSTSpecial Marine WarningHFO56 min
Sep 9, 8:32 PM HSTFlash Flood WarningHFOHawaii3 hr
Sep 7, 10:35 PM HSTSpecial Marine WarningHFO53 min
Sep 7, 7:38 PM HSTFlash Flood WarningHFOKauai9 hr
Sep 7, 11:11 AM HSTFlash Flood WarningHFOKauai6 hr
Sep 7, 10:17 AM HSTFlash Flood WarningHFOKauai3 hr
Sep 6, 11:08 PM HSTHurricane WarningHFOKauai33 hr
Sep 6, 2:47 PM HSTFlash Flood WarningHFOHonolulu2 hr
Sep 6, 2:44 PM HSTHigh Surf WarningHFOHawaii, Honolulu, Kauai, Kalawao49 hr
Sep 6, 4:51 AM HSTTropical Storm WarningHFOHonolulu, Kauai51 hr
Aug 16, 2:52 PM HSTFlash Flood WarningHFOHonolulu2 hr
Aug 16, 2:00 PM HSTHigh Wind WarningHFOKalawao10 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.