Alert archive / Hawaii / 2011
Weather alerts in Hawaii, April 2011
41 weather alerts in April 2011, 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 April 2011. Tap one for its archive.
- Alerts
- 41
- Warnings
- 9
- Watches
- 2
- Advisories
- 30
- Busiest day
- April 7, 201116 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 |
|---|---|---|---|---|
| Apr 4, 3:22 PM HST | Small Craft Advisory | HFO | 5 days | |
| Apr 4, 3:39 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 4 days |
| Apr 5, 6:46 AM HST | High Surf Advisory | HFO | Honolulu, Kauai | 33 hr |
| Apr 5, 7:21 AM HST | Winter Storm Watch | HFO | Hawaii | 8 hr |
| Apr 5, 3:05 PM HST | Winter Weather Advisory | HFO | Hawaii | 25 hr |
| Apr 6, 6:54 AM HST | Areal Flood Advisory | HFO | Honolulu | 62 min |
| Apr 6, 1:34 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 6, 2:53 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Apr 6, 3:27 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 48 hr |
| Apr 6, 3:54 PM HST | Winter Storm Warning | HFO | Hawaii | 60 hr |
| Apr 6, 4:06 PM HST | Special Marine Warning | HFO | 54 min | |
| Apr 6, 4:20 PM HST | Flash Flood Warning | HFO | Hawaii | 89 min |
| Apr 6, 4:49 PM HST | Areal Flood Advisory | HFO | Kalawao | 37 min |
| Apr 6, 4:52 PM HST | Areal Flood Advisory | HFO | Kauai | 54 min |
| Apr 6, 5:42 PM HST | Special Marine Warning | HFO | 39 min | |
| Apr 6, 6:44 PM HST | Special Marine Warning | HFO | 61 min | |
| Apr 6, 7:43 PM HST | Special Marine Warning | HFO | 32 min | |
| Apr 6, 8:39 PM HST | Special Marine Warning | HFO | 51 min | |
| Apr 6, 10:55 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 6, 11:14 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Apr 7, 12:19 AM HST | Areal Flood Advisory | HFO | Hawaii | 58 min |
| Apr 7, 2:18 AM HST | Areal Flood Advisory | HFO | Kauai | 39 min |
| Apr 7, 8:46 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Apr 7, 4:37 PM HST | Areal Flood Advisory | HFO | Kalawao | 5 hr |
| Apr 7, 9:30 PM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Apr 7, 10:24 PM HST | Areal Flood Advisory | HFO | Honolulu | 86 min |
| Apr 7, 10:39 PM HST | Special Marine Warning | HFO | 104 min | |
| Apr 7, 11:31 PM HST | Areal Flood Advisory | HFO | Kalawao | 111 min |
| Apr 8, 3:42 AM HST | Wind Advisory | HFO | Hawaii, Kalawao | 24 hr |
| Apr 8, 5:36 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 8, 10:04 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Apr 8, 1:05 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Apr 8, 3:59 PM HST | Areal Flood Advisory | HFO | Kalawao | 60 min |
| Apr 9, 3:35 AM HST | Winter Weather Advisory | HFO | Hawaii | 8 hr |
| Apr 9, 3:44 AM HST | Small Craft Advisory | HFO | 12 hr | |
| Apr 9, 3:32 PM HST | Winter Weather Advisory | HFO | Hawaii | 12 hr |
| Apr 9, 3:38 PM HST | Small Craft Advisory | HFO | 4 days | |
| Apr 17, 3:09 PM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Apr 19, 3:15 PM HST | High Surf Advisory | HFO | Hawaii, Kauai, Kalawao | 48 hr |
| Apr 26, 9:05 PM HST | Small Craft Advisory | HFO | 12 hr | |
| Apr 29, 12:37 PM HST | Areal Flood Advisory | HFO | Honolulu | 115 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 19 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Coast and beach | |
| High Surf Advisory | 3 |
| Marine | |
| Special Marine Warning | 6 |
| Small Craft Advisory | 4 |
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 archive20102012
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.