Alert archive / Hawaii / 2021
Weather alerts in Hawaii, February 2021
84 weather alerts in February 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 February 2021. Tap one for its archive.
- Alerts
- 84
- Warnings
- 28
- Watches
- 6
- Advisories
- 43
- Busiest day
- February 3, 202117 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 9:07 PM HST | Small Craft Advisory | HFO | 4 days | |
| Feb 3, 12:56 AM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 3, 1:44 AM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 19 hr |
| Feb 3, 2:57 AM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 3, 4:58 AM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 3, 5:10 AM HST | Areal Flood Advisory | HFO | Kauai | 5 hr |
| Feb 3, 5:47 AM HST | Areal Flood Advisory | HFO | Honolulu | 8 hr |
| Feb 3, 6:32 AM HST | Special Marine Warning | HFO | 118 min | |
| Feb 3, 7:16 AM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 27 hr |
| Feb 3, 7:58 AM HST | Special Weather Statement | HFO | Honolulu | 62 min |
| Feb 3, 8:23 AM HST | Special Marine Warning | HFO | 112 min | |
| Feb 3, 9:35 AM HST | Special Marine Warning | HFO | 115 min | |
| Feb 3, 10:11 AM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 3, 10:51 AM HST | Special Marine Warning | HFO | 114 min | |
| Feb 3, 11:42 AM HST | Special Weather Statement | HFO | 93 min | |
| Feb 3, 12:15 PM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 3, 1:19 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Feb 3, 2:06 PM HST | Special Marine Warning | HFO | 114 min | |
| Feb 3, 2:31 PM HST | Special Weather Statement | HFO | Kalawao | 119 min |
| Feb 3, 4:13 PM HST | Small Craft Advisory | HFO | 71 hr | |
| Feb 3, 4:34 PM HST | High Surf Warning | HFO | Honolulu, Kauai | 47 hr |
| Feb 4, 3:31 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 59 hr |
| Feb 4, 4:55 PM HST | Areal Flood Advisory | HFO | Hawaii | 42 min |
| Feb 5, 2:16 AM HST | Special Marine Warning | HFO | 119 min | |
| Feb 5, 6:25 AM HST | Special Marine Warning | HFO | 107 min | |
| Feb 5, 6:51 AM HST | Special Marine Warning | HFO | 114 min | |
| Feb 5, 2:22 PM HST | Special Weather Statement | HFO | Hawaii | 53 min |
| Feb 5, 2:39 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Feb 6, 3:41 AM HST | Wind Advisory | HFO | Hawaii | 9 hr |
| Feb 8, 3:18 PM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 24 hr |
| Feb 8, 3:39 PM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 8, 3:49 PM HST | Small Craft Advisory | HFO | 48 hr | |
| Feb 8, 3:49 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 35 hr |
| Feb 8, 5:16 PM HST | Special Marine Warning | HFO | 89 min | |
| Feb 8, 6:44 PM HST | Special Marine Warning | HFO | 68 min | |
| Feb 9, 7:23 AM HST | Areal Flood Advisory | HFO | Hawaii | 5 hr |
| Feb 9, 2:58 PM HST | Special Weather Statement | HFO | Hawaii | 62 min |
| Feb 9, 4:05 PM HST | Special Weather Statement | HFO | Hawaii | 55 min |
| Feb 10, 3:31 AM HST | Tsunami Watch | HEB | Hawaii, Honolulu, Kauai, Kalawao | 169 days |
| Feb 11, 3:35 AM HST | Small Craft Advisory | HFO | 4 days | |
| Feb 12, 3:18 AM HST | Wind Advisory | HFO | Hawaii | 25 hr |
| Feb 12, 3:37 AM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 48 hr |
| Feb 13, 3:58 AM HST | High Wind Warning | HFO | Hawaii | 12 hr |
| Feb 13, 4:06 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Feb 13, 3:33 PM HST | Wind Advisory | HFO | Hawaii | 12 hr |
| Feb 13, 9:00 PM HST | Winter Weather Advisory | HFO | Hawaii | 13 hr |
| Feb 16, 9:30 AM HST | Flash Flood Watch | HFO | Honolulu, Kauai, Kalawao | 66 hr |
| Feb 17, 12:53 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Feb 17, 2:27 AM HST | Flash Flood Warning | HFO | Kauai | 6 hr |
| Feb 17, 3:02 PM HST | Small Craft Advisory | HFO | 21 days | |
| Feb 18, 7:59 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Feb 18, 8:57 AM HST | Winter Weather Advisory | HFO | Hawaii | 6 hr |
| Feb 18, 10:29 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Feb 18, 11:53 AM HST | Special Marine Warning | HFO | 99 min | |
| Feb 18, 12:36 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Feb 18, 2:54 PM HST | Special Weather Statement | HFO | Hawaii | 36 min |
| Feb 18, 8:40 PM HST | Areal Flood Advisory | HFO | Honolulu | 97 min |
| Feb 19, 7:38 AM HST | Special Marine Warning | HFO | 112 min | |
| Feb 19, 8:00 AM HST | Areal Flood Advisory | HFO | Kauai | 5 hr |
| Feb 19, 10:55 AM HST | Special Marine Warning | HFO | 2 hr | |
| Feb 19, 11:40 AM HST | Areal Flood Advisory | HFO | Honolulu | 86 min |
| Feb 19, 12:58 PM HST | Flash Flood Warning | HFO | Kauai | 9 hr |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 12 hr |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 12 hr |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 9 days |
| Feb 22, 9:12 AM HST | Gale Watch | HFO | 42 hr | |
| Feb 24, 3:34 AM HST | Gale Watch | HFO | 6 hr | |
| Feb 24, 8:49 AM HST | Wind Advisory | HFO | Hawaii, Kalawao | 55 hr |
| Feb 24, 9:04 AM HST | Gale Warning | HFO | 54 hr | |
| Feb 25, 6:44 PM HST | Small Craft Advisory | HFO | 69 hr | |
| Feb 26, 7:09 AM HST | Winter Weather Advisory | HFO | Hawaii | 3 days |
| Feb 26, 8:27 AM HST | Flash Flood Watch | HFO | Hawaii, Kalawao | 67 hr |
| Feb 26, 1:11 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Feb 26, 2:29 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Feb 26, 5:59 PM HST | Special Marine Warning | HFO | 61 min | |
| Feb 27, 7:19 AM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Feb 27, 8:51 AM HST | Areal Flood Advisory | HFO | Kalawao | 68 min |
| Feb 27, 9:59 AM HST | Flash Flood Warning | HFO | Kalawao | 86 min |
| Feb 27, 10:08 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Feb 27, 1:06 PM HST | Areal Flood Advisory | HFO | Hawaii | 12 hr |
| Feb 27, 1:51 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Feb 27, 3:57 PM HST | Gale Watch | HFO | 11 hr | |
| Feb 28, 3:15 AM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 65 hr |
| Feb 28, 3:16 AM HST | Gale Warning | HFO | 3 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 7 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 20 |
| Winter | |
| Winter Weather Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| Coast and beach | |
| High Surf Warning | 2 |
| Tsunami Watch | 1 |
| High Surf Advisory | 6 |
| Marine | |
| Gale Warning | 2 |
| Special Marine Warning | 20 |
| Gale Watch | 3 |
| Small Craft Advisory | 6 |
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.