Alert archive / Hawaii / 2018
Weather alerts in Hawaii, September 2018
62 weather alerts in September 2018, 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 September 2018. Tap one for its archive.
- Alerts
- 62
- Warnings
- 14
- Watches
- 3
- Advisories
- 45
- Busiest day
- September 13, 201819 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 |
|---|---|---|---|---|
| Sep 3, 3:41 PM HST | Areal Flood Advisory | HFO | Honolulu | 110 min |
| Sep 3, 9:17 PM HST | Small Craft Advisory | HFO | 4 days | |
| Sep 4, 3:33 AM HST | High Surf Advisory | HFO | Kalawao | 12 hr |
| Sep 4, 3:45 PM HST | High Surf Warning | HFO | Honolulu, Kalawao | 3 days |
| Sep 6, 3:05 AM HST | Wind Advisory | HFO | Kalawao | 12 hr |
| Sep 7, 3:49 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 36 hr |
| Sep 9, 5:00 PM HST | Tropical Storm Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 42 hr |
| Sep 10, 4:01 AM HST | High Surf Advisory | HFO | Kalawao | 11 hr |
| Sep 10, 4:58 AM HST | Tropical Storm Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 66 hr |
| Sep 10, 3:07 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Sep 10, 3:14 PM HST | High Surf Warning | HFO | Honolulu, Kalawao | 60 hr |
| Sep 10, 3:14 PM HST | High Surf Advisory | HFO | Honolulu | 22 hr |
| Sep 11, 1:16 PM HST | High Surf Advisory | HFO | Kalawao | 47 hr |
| Sep 11, 11:08 PM HST | Wind Advisory | HFO | Honolulu, Kauai | 28 hr |
| Sep 11, 11:16 PM HST | Small Craft Advisory | HFO | 7 days | |
| Sep 12, 12:56 AM HST | Areal Flood Advisory | HFO | Kalawao | 9 hr |
| Sep 12, 3:22 AM HST | Flash Flood Warning | HFO | Kalawao | 14 hr |
| Sep 12, 9:34 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 12, 10:02 AM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Sep 12, 10:41 AM HST | Flash Flood Warning | HFO | Kalawao | 7 hr |
| Sep 12, 12:15 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 12, 2:03 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Sep 12, 3:14 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 12, 6:43 PM HST | Areal Flood Advisory | HFO | Hawaii | 4 hr |
| Sep 12, 7:34 PM HST | Areal Flood Advisory | HFO | Kalawao | 101 min |
| Sep 12, 7:49 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 12, 9:36 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 12, 9:45 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Sep 12, 11:16 PM HST | Areal Flood Advisory | HFO | Kauai | 4 hr |
| Sep 12, 11:18 PM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Sep 13, 12:01 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 13, 12:14 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Sep 13, 2:53 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 13, 4:41 AM HST | Areal Flood Advisory | HFO | Hawaii | 9 hr |
| Sep 13, 6:22 AM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Sep 13, 7:32 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 13, 9:02 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 13, 9:10 AM HST | Flash Flood Warning | HFO | Honolulu | 2 hr |
| Sep 13, 12:41 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Sep 13, 1:22 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Sep 13, 5:15 PM HST | Areal Flood Advisory | HFO | Kauai | 4 hr |
| Sep 20, 3:34 AM HST | Small Craft Advisory | HFO | 60 hr | |
| Sep 20, 4:07 PM HST | Areal Flood Advisory | HFO | Hawaii | 2 hr |
| Sep 24, 3:49 AM HST | Flash Flood Watch | HFO | Kauai | 60 hr |
| Sep 25, 3:59 AM HST | Areal Flood Advisory | HFO | Kauai | 97 min |
| Sep 26, 5:35 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Sep 26, 4:30 PM HST | Special Marine Warning | HFO | 92 min | |
| Sep 26, 4:41 PM HST | Special Marine Warning | HFO | 39 min | |
| Sep 26, 5:09 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 26, 10:46 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Sep 27, 7:42 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 27, 8:33 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 27, 9:22 AM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Sep 27, 11:39 AM HST | Areal Flood Advisory | HFO | Honolulu | 4 hr |
| Sep 27, 2:40 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 27, 3:38 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 27, 3:43 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Sep 27, 4:42 PM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Sep 27, 4:47 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Sep 28, 9:17 AM HST | Areal Flood Advisory | HFO | Honolulu | 102 min |
| Sep 28, 9:29 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Sep 29, 3:06 PM HST | Areal Flood Advisory | HFO | Kalawao | 82 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 | 9 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 35 |
| Wind and dust | |
| Wind Advisory | 2 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| High Surf Warning | 2 |
| High Surf Advisory | 5 |
| Marine | |
| Special Marine Warning | 2 |
| Small Craft Advisory | 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 archive20172019
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.