Alert archive / Hawaii / 2021

Weather alerts in Hawaii, July 2021

7 weather alerts in July 2021, 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 in July 2021. Tap one for its archive.

Alerts
7
Warnings
0
Watches
1
Advisories
6
Busiest day
July 5, 20211 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
Jul 4, 3:22 PM HSTHigh Surf AdvisoryHFOHawaii, Honolulu, Kauai, Kalawao3 days
Jul 8, 7:38 PM HSTAreal Flood AdvisoryHFOHawaii3 hr
Jul 10, 3:26 AM HSTSmall Craft AdvisoryHFO4 days
Jul 14, 3:19 PM HSTSmall Craft AdvisoryHFO9 days
Jul 19, 3:04 AM HSTWind AdvisoryHFOHawaii17 hr
Jul 23, 3:40 AM HSTSmall Craft AdvisoryHFO17 days
Jul 31, 3:31 AM HSTGale WatchHFO17 hr

By product

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

ProductAlerts
Flooding
Areal Flood Advisory1
Wind and dust
Wind Advisory1
Coast and beach
High Surf Advisory1
Marine
Gale Watch1
Small Craft Advisory3

By county

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

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.