Alert archive / Hawaii / Winter Weather Advisories
Winter Weather Advisories in Hawaii, 2021
16 winter weather advisories 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 winter weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Winter Weather Advisories
- 16
- Busiest month
- February5 winter weather advisories
- Busiest day
- January 18, 20211 winter weather advisories
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 3:49 AM HST | Winter Weather Advisory | HFO | Hawaii | 36 hr |
| Jan 24, 3:23 PM HST | Winter Weather Advisory | HFO | Hawaii | 12 hr |
| Feb 3, 7:16 AM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 27 hr |
| Feb 8, 3:18 PM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 24 hr |
| Feb 13, 9:00 PM HST | Winter Weather Advisory | HFO | Hawaii | 13 hr |
| Feb 18, 8:57 AM HST | Winter Weather Advisory | HFO | Hawaii | 6 hr |
| Feb 26, 7:09 AM HST | Winter Weather Advisory | HFO | Hawaii | 3 days |
| Mar 7, 3:20 PM HST | Winter Weather Advisory | HFO | Hawaii | 4 days |
| Mar 12, 3:12 PM HST | Winter Weather Advisory | HFO | Hawaii | 48 hr |
| Mar 28, 7:06 PM HST | Winter Weather Advisory | HFO | Hawaii | 32 hr |
| Apr 11, 1:20 PM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 11 hr |
| May 6, 3:26 PM HST | Winter Weather Advisory | HFO | Hawaii | 12 hr |
| Dec 6, 3:24 AM HST | Winter Weather Advisory | HFO | Hawaii | 12 hr |
| Dec 19, 12:53 AM HST | Winter Weather Advisory | HFO | Hawaii | 10 hr |
| Dec 21, 3:16 PM HST | Winter Weather Advisory | HFO | Hawaii | 24 hr |
| Dec 30, 3:07 PM HST | Winter Weather Advisory | HFO | Hawaii | 19 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. Warning verification from the Mesonet's Cow. Rebuilt daily.