Alert archive / Hawaii / 2021
Weather alerts in Hawaii, March 2021
166 weather alerts in March 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 March 2021. Tap one for its archive.
- Alerts
- 166
- Warnings
- 73
- Watches
- 6
- Advisories
- 78
- Busiest day
- March 10, 202132 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 28, 4:25 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Feb 28, 8:38 PM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Mar 5, 3:25 PM HST | High Surf Advisory | HFO | Kalawao | 12 hr |
| Mar 6, 6:35 AM HST | Areal Flood Advisory | HFO | Kauai | 11 hr |
| Mar 6, 1:05 PM HST | Flash Flood Watch | HFO | Kauai | 15 hr |
| Mar 7, 11:20 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 8 days |
| Mar 7, 11:31 AM HST | Winter Storm Watch | HFO | Hawaii | 4 hr |
| Mar 7, 3:20 PM HST | Winter Weather Advisory | HFO | Hawaii | 4 days |
| Mar 7, 3:55 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 24 hr |
| Mar 7, 5:22 PM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Mar 8, 8:45 AM HST | Special Marine Warning | HFO | 45 min | |
| Mar 8, 10:04 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 8, 11:15 AM HST | Flash Flood Warning | HFO | Kalawao | 7 hr |
| Mar 8, 1:09 PM HST | Areal Flood Advisory | HFO | Hawaii | 12 hr |
| Mar 8, 2:42 PM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Mar 8, 8:07 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 19 hr |
| Mar 8, 9:32 PM HST | Areal Flood Advisory | HFO | Kalawao | 33 min |
| Mar 8, 10:05 PM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Mar 8, 10:55 PM HST | Areal Flood Advisory | HFO | Kauai | 6 hr |
| Mar 9, 5:02 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Mar 9, 8:05 AM HST | Areal Flood Advisory | HFO | Honolulu | 28 min |
| Mar 9, 8:09 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 9, 8:22 AM HST | Special Weather Statement | HFO | Honolulu | 53 min |
| Mar 9, 8:33 AM HST | Flash Flood Warning | HFO | Honolulu | 117 min |
| Mar 9, 9:15 AM HST | Special Weather Statement | HFO | Honolulu | 30 min |
| Mar 9, 9:59 AM HST | Special Weather Statement | HFO | Honolulu | 61 min |
| Mar 9, 10:03 AM HST | Special Marine Warning | HFO | 54 min | |
| Mar 9, 10:31 AM HST | Flash Flood Warning | HFO | Honolulu | 6 hr |
| Mar 9, 10:55 AM HST | Areal Flood Advisory | HFO | Hawaii | 11 hr |
| Mar 9, 2:15 PM HST | Special Marine Warning | HFO | 30 min | |
| Mar 9, 2:21 PM HST | Special Weather Statement | HFO | Kauai | 39 min |
| Mar 9, 2:44 PM HST | Special Marine Warning | HFO | 46 min | |
| Mar 9, 3:08 PM HST | Special Weather Statement | HFO | Kauai | 37 min |
| Mar 9, 3:17 PM HST | Special Marine Warning | HFO | 88 min | |
| Mar 9, 3:21 PM HST | Flash Flood Warning | HFO | Honolulu | 9 hr |
| Mar 9, 3:24 PM HST | Special Marine Warning | HFO | 64 min | |
| Mar 9, 3:47 PM HST | Areal Flood Advisory | HFO | Kauai | 43 min |
| Mar 9, 4:18 PM HST | Special Weather Statement | HFO | Kauai | 57 min |
| Mar 9, 4:30 PM HST | Flash Flood Warning | HFO | Kauai | 17 hr |
| Mar 9, 8:33 PM HST | Special Marine Warning | HFO | 87 min | |
| Mar 9, 10:44 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 9, 10:56 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 9, 11:03 PM HST | Special Marine Warning | HFO | 93 min | |
| Mar 9, 11:16 PM HST | Special Marine Warning | HFO | 76 min | |
| Mar 10, 12:45 AM HST | Special Marine Warning | HFO | 105 min | |
| Mar 10, 1:02 AM HST | Areal Flood Advisory | HFO | Hawaii | 4 hr |
| Mar 10, 2:20 AM HST | Special Marine Warning | HFO | 115 min | |
| Mar 10, 3:42 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 10, 4:43 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 10, 5:26 AM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Mar 10, 5:47 AM HST | Special Marine Warning | HFO | 118 min | |
| Mar 10, 6:36 AM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Mar 10, 7:43 AM HST | Special Marine Warning | HFO | 107 min | |
| Mar 10, 9:06 AM HST | Areal Flood Advisory | HFO | Hawaii | 115 min |
| Mar 10, 9:11 AM HST | Areal Flood Advisory | HFO | Kauai | 9 hr |
| Mar 10, 9:17 AM HST | Special Marine Warning | HFO | 118 min | |
| Mar 10, 10:11 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 29 hr |
| Mar 10, 11:11 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 10, 1:09 PM HST | Areal Flood Advisory | HFO | Honolulu | 36 min |
| Mar 10, 1:10 PM HST | Special Marine Warning | HFO | 110 min | |
| Mar 10, 1:45 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Mar 10, 2:36 PM HST | Flash Flood Warning | HFO | Honolulu | 97 min |
| Mar 10, 3:00 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 10, 3:11 PM HST | Small Craft Advisory | HFO | 13 hr | |
| Mar 10, 3:45 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 10, 4:13 PM HST | Areal Flood Advisory | HFO | Honolulu | 2 hr |
| Mar 10, 4:30 PM HST | Areal Flood Advisory | HFO | Hawaii | 2 hr |
| Mar 10, 4:36 PM HST | Special Weather Statement | HFO | Kauai | 24 min |
| Mar 10, 4:37 PM HST | Special Marine Warning | HFO | 113 min | |
| Mar 10, 4:58 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Mar 10, 6:22 PM HST | Flash Flood Warning | HFO | Honolulu | 5 hr |
| Mar 10, 6:26 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 10, 6:34 PM HST | Special Marine Warning | HFO | 25 min | |
| Mar 10, 8:05 PM HST | Special Marine Warning | HFO | 46 min | |
| Mar 10, 8:12 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 10, 9:18 PM HST | Special Marine Warning | HFO | 76 min | |
| Mar 10, 9:27 PM HST | Areal Flood Advisory | HFO | Honolulu | 86 min |
| Mar 10, 11:04 PM HST | Special Marine Warning | HFO | 116 min | |
| Mar 11, 2:23 AM HST | Areal Flood Advisory | HFO | Honolulu | 7 hr |
| Mar 11, 2:39 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 11, 3:21 AM HST | Areal Flood Advisory | HFO | Kauai | 9 hr |
| Mar 11, 3:47 AM HST | Special Weather Statement | HFO | Kauai | 43 min |
| Mar 11, 1:39 PM HST | Areal Flood Advisory | HFO | Honolulu | 43 min |
| Mar 11, 2:22 PM HST | Flash Flood Warning | HFO | Honolulu | 2 hr |
| Mar 11, 2:46 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 11, 3:22 PM HST | Special Marine Warning | HFO | 22 min | |
| Mar 11, 4:15 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Mar 11, 6:09 PM HST | Areal Flood Advisory | HFO | Hawaii | 99 min |
| Mar 11, 7:35 PM HST | Areal Flood Advisory | HFO | Honolulu | 81 min |
| Mar 11, 8:54 PM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Mar 12, 12:23 AM HST | Special Marine Warning | HFO | 112 min | |
| Mar 12, 2:42 AM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Mar 12, 3:56 AM HST | Small Craft Advisory | HFO | 10 days | |
| Mar 12, 5:04 AM HST | Flash Flood Warning | HFO | Kauai | 2 hr |
| Mar 12, 5:29 AM HST | Areal Flood Advisory | HFO | Honolulu | 2 hr |
| Mar 12, 8:49 AM HST | Special Marine Warning | HFO | 41 min | |
| Mar 12, 8:51 AM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Mar 12, 9:45 AM HST | Gale Warning | HFO | 6 hr | |
| Mar 12, 11:02 AM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 12, 11:22 AM HST | Areal Flood Advisory | HFO | Honolulu | 68 min |
| Mar 12, 1:39 PM HST | Flash Flood Warning | HFO | Kauai | 6 hr |
| Mar 12, 3:12 PM HST | Winter Weather Advisory | HFO | Hawaii | 48 hr |
| Mar 12, 3:13 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 12, 4:08 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Mar 12, 4:16 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 3 days |
| Mar 12, 5:46 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 12, 8:36 PM HST | Flash Flood Warning | HFO | Kalawao | 18 hr |
| Mar 12, 10:59 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 12, 11:01 PM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Mar 13, 3:23 AM HST | Areal Flood Advisory | HFO | Kalawao | 119 min |
| Mar 13, 3:27 AM HST | Wind Advisory | HFO | Kauai | 12 hr |
| Mar 13, 4:05 AM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Mar 13, 4:43 AM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Mar 13, 5:22 AM HST | Flash Flood Warning | HFO | Kalawao | 2 hr |
| Mar 13, 5:38 AM HST | Special Marine Warning | HFO | 112 min | |
| Mar 13, 6:03 AM HST | Special Weather Statement | HFO | Hawaii | 87 min |
| Mar 13, 6:22 AM HST | Flash Flood Warning | HFO | Kauai | 2 hr |
| Mar 13, 7:28 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 13, 9:19 AM HST | Special Marine Warning | HFO | 116 min | |
| Mar 13, 9:24 AM HST | Special Marine Warning | HFO | 111 min | |
| Mar 13, 10:31 AM HST | Areal Flood Advisory | HFO | Hawaii | 7 hr |
| Mar 13, 11:07 AM HST | Special Marine Warning | HFO | 113 min | |
| Mar 13, 11:09 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 13, 11:19 AM HST | Special Marine Warning | HFO | 116 min | |
| Mar 13, 12:38 PM HST | Areal Flood Advisory | HFO | Kauai | 15 hr |
| Mar 13, 12:47 PM HST | Special Marine Warning | HFO | 118 min | |
| Mar 13, 12:47 PM HST | Special Marine Warning | HFO | 108 min | |
| Mar 13, 5:44 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 13, 8:19 PM HST | Special Marine Warning | HFO | 89 min | |
| Mar 13, 10:15 PM HST | Areal Flood Advisory | HFO | Kalawao | 53 min |
| Mar 14, 8:12 AM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 14, 10:25 AM HST | Areal Flood Advisory | HFO | Kalawao | 60 min |
| Mar 14, 1:05 PM HST | Areal Flood Advisory | HFO | Honolulu | 111 min |
| Mar 14, 2:21 PM HST | Areal Flood Advisory | HFO | Hawaii | 114 min |
| Mar 14, 6:16 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Mar 15, 1:27 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Mar 15, 1:32 PM HST | Areal Flood Advisory | HFO | Kalawao | 58 min |
| Mar 15, 1:50 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Mar 15, 2:28 PM HST | Flash Flood Warning | HFO | Honolulu | 4 hr |
| Mar 15, 5:13 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Mar 16, 3:41 AM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 6 days |
| Mar 16, 6:19 AM HST | Areal Flood Advisory | HFO | Honolulu | 6 hr |
| Mar 16, 3:36 PM HST | Small Craft Advisory | HFO | 5 days | |
| Mar 16, 4:30 PM HST | Areal Flood Advisory | HFO | Hawaii | 53 min |
| Mar 16, 7:29 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 17, 3:53 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 17, 11:43 AM HST | Wind Advisory | HFO | Kalawao | 9 hr |
| Mar 17, 6:57 PM HST | Areal Flood Advisory | HFO | Hawaii | 97 min |
| Mar 19, 9:31 AM HST | Gale Watch | HFO | 6 hr | |
| Mar 19, 3:28 PM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 53 hr |
| Mar 19, 3:38 PM HST | Gale Warning | HFO | 54 hr | |
| Mar 20, 4:44 PM HST | Areal Flood Advisory | HFO | Hawaii | 5 hr |
| Mar 22, 5:08 PM HST | Areal Flood Advisory | HFO | Hawaii | 111 min |
| Mar 23, 1:39 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Mar 24, 7:46 PM HST | Special Marine Warning | HFO | 119 min | |
| Mar 25, 3:28 PM HST | Small Craft Advisory | HFO | 4 days | |
| Mar 28, 5:15 PM HST | Wind Advisory | HFO | Hawaii | 22 hr |
| Mar 28, 7:06 PM HST | Winter Weather Advisory | HFO | Hawaii | 32 hr |
| Mar 29, 8:54 AM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 29, 9:53 AM HST | Flash Flood Warning | HFO | Kauai | 2 hr |
| Mar 29, 12:32 PM HST | Flash Flood Watch | HFO | Kauai | 20 hr |
| Mar 29, 3:39 PM HST | Small Craft Advisory | HFO | 12 hr | |
| Mar 29, 4:15 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Mar 29, 4:56 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Mar 30, 9:05 AM HST | Flash Flood Watch | HFO | Kauai | 6 hr |
| Mar 30, 3:26 PM HST | Small Craft Advisory | HFO | 48 hr |
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 | 9 |
| Flooding | |
| Flash Flood Warning | 27 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 59 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 4 |
| Coast and beach | |
| High Surf Advisory | 6 |
| Marine | |
| Gale Warning | 2 |
| Special Marine Warning | 44 |
| Gale Watch | 1 |
| 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.