Alert archive / Hawaii / 2009
Weather alerts in Hawaii, April 2009
29 weather alerts in April 2009, 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 2009. Tap one for its archive.
- Alerts
- 29
- Warnings
- 6
- Watches
- 1
- Advisories
- 19
- Busiest day
- April 21, 20098 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 6, 3:29 AM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 45 hr |
| Apr 9, 6:37 AM HST | Winter Weather Advisory | HFO | Hawaii | 49 hr |
| Apr 9, 8:02 PM HST | Wind Advisory | HFO | Hawaii | 36 hr |
| Apr 10, 3:19 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 12, 3:35 AM HST | Small Craft Advisory | HFO | 4 days | |
| Apr 18, 3:13 AM HST | Wind Advisory | HFO | Hawaii | 42 hr |
| Apr 19, 9:42 AM HST | Marine Weather Statement | HFO | 5 hr | |
| Apr 19, 12:34 PM HST | Areal Flood Advisory | HFO | Kauai | 5 hr |
| Apr 19, 9:11 PM HST | High Wind Warning | HFO | Hawaii | 54 hr |
| Apr 20, 11:05 AM HST | Marine Weather Statement | HFO | 9 hr | |
| Apr 20, 12:12 PM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Apr 20, 12:35 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 20, 6:52 PM HST | Special Marine Warning | HFO | 53 min | |
| Apr 20, 8:40 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Apr 20, 9:55 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Apr 20, 10:50 PM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Apr 20, 11:03 PM HST | Special Marine Warning | HFO | 72 min | |
| Apr 20, 11:24 PM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Apr 21, 5:18 AM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Apr 21, 9:50 AM HST | Small Craft Advisory | HFO | 18 hr | |
| Apr 22, 3:14 AM HST | Wind Advisory | HFO | Hawaii | 54 hr |
| Apr 22, 3:40 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 60 hr |
| Apr 23, 3:26 AM HST | Marine Weather Statement | HFO | 7 hr | |
| Apr 23, 9:04 AM HST | Winter Weather Advisory | HFO | Hawaii, Kalawao | 30 hr |
| Apr 23, 9:14 PM HST | Special Marine Warning | HFO | 61 min | |
| Apr 23, 10:52 PM HST | Special Marine Warning | HFO | 52 min | |
| Apr 24, 8:46 AM HST | High Wind Warning | HFO | Hawaii | 7 hr |
| Apr 24, 3:35 PM HST | Wind Advisory | HFO | Hawaii | 43 hr |
| Apr 26, 8:25 PM HST | Wind Advisory | HFO | Hawaii | 67 hr |
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 Watch | 1 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 5 |
| Coast and beach | |
| High Surf Advisory | 1 |
| Marine | |
| Special Marine Warning | 4 |
| Small Craft Advisory | 2 |
| Marine Weather Statement | 3 |
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 archive20082010
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.