Alert archive / Hawaii / 2018
Weather alerts in Hawaii, August 2018
78 weather alerts in August 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 August 2018. Tap one for its archive.
- Alerts
- 78
- Warnings
- 25
- Watches
- 6
- Advisories
- 46
- Busiest day
- August 28, 201815 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 |
|---|---|---|---|---|
| Aug 2, 12:02 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 28 hr |
| Aug 2, 12:06 PM HST | Wind Advisory | HFO | Hawaii, Kalawao | 39 hr |
| Aug 6, 11:32 AM HST | Tropical Storm Watch | HFO | Hawaii | 30 hr |
| Aug 7, 4:11 AM HST | High Surf Warning | HFO | 42 hr | |
| Aug 7, 4:11 AM HST | High Surf Advisory | HFO | 42 hr | |
| Aug 7, 4:18 AM HST | Gale Watch | HFO | 8 hr | |
| Aug 7, 4:18 AM HST | Small Craft Advisory | HFO | 6 days | |
| Aug 7, 12:00 PM HST | Gale Warning | HFO | 42 hr | |
| Aug 7, 12:00 PM HST | Tropical Storm Warning | HFO | Hawaii | 42 hr |
| Aug 8, 3:53 AM HST | Wind Advisory | HFO | Hawaii, Kalawao | 17 hr |
| Aug 8, 10:40 PM HST | High Surf Advisory | HFO | 5 hr | |
| Aug 9, 9:05 AM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 18 hr |
| Aug 9, 4:35 PM HST | Areal Flood Advisory | HFO | Hawaii | 79 min |
| Aug 9, 7:01 PM HST | Areal Flood Advisory | HFO | Hawaii | 119 min |
| Aug 9, 7:02 PM HST | Areal Flood Advisory | HFO | Hawaii | 118 min |
| Aug 17, 5:13 AM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Aug 17, 1:49 PM HST | Areal Flood Advisory | HFO | Kalawao | 57 min |
| Aug 17, 2:23 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 17, 5:13 PM HST | Areal Flood Advisory | HFO | Hawaii | 79 min |
| Aug 18, 11:22 AM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 18, 12:32 PM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Aug 18, 1:04 PM HST | Flash Flood Warning | HFO | Hawaii | 86 min |
| Aug 18, 2:36 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 19, 1:56 AM HST | Special Marine Warning | HFO | 62 min | |
| Aug 19, 3:31 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 19, 3:41 PM HST | Small Craft Advisory | HFO | 42 hr | |
| Aug 19, 3:57 PM HST | High Surf Advisory | HFO | 48 hr | |
| Aug 19, 7:01 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Aug 20, 5:08 AM HST | Tropical Storm Watch | HFO | Kauai | 5 days |
| Aug 21, 4:48 AM HST | Hurricane Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Aug 21, 5:39 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 5 days |
| Aug 21, 4:08 PM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Aug 21, 4:08 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 38 hr |
| Aug 21, 5:11 PM HST | Hurricane Warning | HFO | Hawaii, Honolulu, Kalawao | 72 hr |
| Aug 21, 5:34 PM HST | Tropical Storm Warning | HFO | Hawaii, Honolulu, Kalawao | 4 days |
| Aug 22, 1:22 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Aug 22, 2:04 PM HST | Areal Flood Advisory | HFO | Hawaii | 9 hr |
| Aug 22, 5:31 PM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Aug 22, 9:48 PM HST | Flash Flood Warning | HFO | Hawaii | 42 hr |
| Aug 23, 4:58 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Aug 23, 8:52 AM HST | Flash Flood Warning | HFO | Kalawao | 6 hr |
| Aug 24, 1:08 AM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 51 hr |
| Aug 24, 2:16 PM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Aug 24, 2:55 PM HST | Flash Flood Warning | HFO | Kalawao | 3 hr |
| Aug 24, 3:40 PM HST | Flash Flood Warning | HFO | Hawaii | 6 hr |
| Aug 24, 5:18 PM HST | Flash Flood Warning | HFO | Kalawao | 9 hr |
| Aug 24, 8:51 PM HST | Flash Flood Warning | HFO | Hawaii | 6 hr |
| Aug 24, 9:04 PM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Aug 24, 9:07 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Aug 25, 2:29 AM HST | Flash Flood Warning | HFO | Hawaii | 20 hr |
| Aug 25, 5:05 AM HST | Small Craft Advisory | HFO | 6 days | |
| Aug 25, 1:48 PM HST | Special Weather Statement | HFO | Kauai | 42 min |
| Aug 25, 2:55 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Aug 25, 7:48 PM HST | Areal Flood Advisory | HFO | Kalawao | 9 hr |
| Aug 25, 8:11 PM HST | Areal Flood Advisory | HFO | Hawaii | 2 hr |
| Aug 25, 10:24 PM HST | Areal Flood Advisory | HFO | Hawaii | 6 hr |
| Aug 26, 5:07 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 26, 3:18 PM HST | Areal Flood Advisory | HFO | Hawaii | 63 min |
| Aug 27, 7:34 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Aug 27, 10:29 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Aug 27, 11:44 AM HST | Flash Flood Warning | HFO | Kauai | 9 hr |
| Aug 27, 1:24 PM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Aug 27, 2:12 PM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Aug 27, 3:32 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 36 hr |
| Aug 27, 3:51 PM HST | Areal Flood Advisory | HFO | Kalawao | 89 min |
| Aug 27, 6:29 PM HST | Areal Flood Advisory | HFO | Kalawao | 5 hr |
| Aug 27, 9:26 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 27, 11:57 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Aug 28, 12:03 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 28, 2:29 AM HST | Flash Flood Warning | HFO | Kauai | 18 hr |
| Aug 28, 3:03 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 28, 4:18 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Aug 28, 5:37 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 28, 7:11 AM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Aug 28, 11:31 AM HST | Special Marine Warning | HFO | 44 min | |
| Aug 28, 12:12 PM HST | Special Marine Warning | HFO | 48 min | |
| Aug 28, 12:55 PM HST | Special Marine Warning | HFO | 65 min | |
| Aug 28, 3:18 PM HST | Areal Flood Advisory | HFO | Hawaii | 4 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 | 1 |
| Flooding | |
| Flash Flood Warning | 15 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 34 |
| Wind and dust | |
| Wind Advisory | 2 |
| Tropical | |
| Hurricane Warning | 1 |
| Tropical Storm Warning | 2 |
| Hurricane Watch | 1 |
| Tropical Storm Watch | 2 |
| Coast and beach | |
| High Surf Warning | 2 |
| High Surf Advisory | 7 |
| Marine | |
| Gale Warning | 1 |
| Special Marine Warning | 4 |
| Gale Watch | 1 |
| 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.