Alert archive / Hawaii / 2020
Weather alerts in Hawaii, January 2020
48 weather alerts in January 2020, 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 January 2020. Tap one for its archive.
- Alerts
- 48
- Warnings
- 10
- Watches
- 5
- Advisories
- 33
- Busiest day
- January 11, 202010 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 |
|---|---|---|---|---|
| Dec 31, 3:34 PM HST | Wind Advisory | HFO | Hawaii | 12 hr |
| Jan 1, 3:30 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 24 hr |
| Jan 2, 3:48 AM HST | Small Craft Advisory | HFO | 14 days | |
| Jan 4, 3:13 AM HST | Gale Watch | HFO | 36 hr | |
| Jan 5, 9:17 AM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 6 days |
| Jan 5, 3:35 PM HST | Gale Warning | HFO | 5 days | |
| Jan 5, 7:09 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 3 days |
| Jan 6, 1:03 PM HST | High Wind Warning | HFO | Hawaii | 27 hr |
| Jan 7, 3:43 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 6 days |
| Jan 9, 3:43 AM HST | High Surf Warning | HFO | Honolulu, Kalawao | 60 hr |
| Jan 9, 3:39 PM HST | Winter Weather Advisory | HFO | Hawaii | 47 hr |
| Jan 10, 3:44 AM HST | Severe Thunderstorm Watch | SPC | Honolulu, Kauai | 67 days |
| Jan 10, 7:36 AM HST | Areal Flood Advisory | HFO | Hawaii | 18 hr |
| Jan 10, 8:52 AM HST | Areal Flood Advisory | HFO | Kalawao | 15 hr |
| Jan 10, 11:30 AM HST | Severe Thunderstorm Watch | SPC | Kauai | 68 days |
| Jan 10, 11:02 PM HST | Areal Flood Advisory | HFO | Honolulu | 9 hr |
| Jan 10, 11:10 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jan 11, 12:43 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Jan 11, 1:19 AM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 11, 1:59 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Jan 11, 4:03 AM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 11, 6:52 AM HST | Areal Flood Advisory | HFO | Hawaii | 15 hr |
| Jan 11, 8:02 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Jan 11, 9:50 AM HST | Gale Watch | HFO | 17 hr | |
| Jan 11, 1:58 PM HST | Areal Flood Advisory | HFO | Kauai | 6 hr |
| Jan 11, 2:52 PM HST | Winter Storm Warning | HFO | Hawaii | 37 hr |
| Jan 11, 3:29 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 5 days |
| Jan 11, 6:30 PM HST | Areal Flood Advisory | HFO | Honolulu | 3 hr |
| Jan 11, 7:35 PM HST | Flash Flood Warning | HFO | Hawaii | 21 hr |
| Jan 12, 1:04 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Jan 12, 3:18 AM HST | Gale Warning | HFO | 54 hr | |
| Jan 12, 3:45 AM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Jan 12, 3:15 PM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Jan 12, 4:26 PM HST | Flash Flood Warning | HFO | Hawaii | 3 hr |
| Jan 12, 4:55 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Jan 16, 3:38 PM HST | Small Craft Advisory | HFO | 5 days | |
| Jan 17, 3:48 AM HST | Areal Flood Advisory | HFO | Kalawao | 104 min |
| Jan 17, 3:26 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 12 hr |
| Jan 19, 3:01 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 25 hr |
| Jan 21, 3:41 PM HST | Small Craft Advisory | HFO | 60 hr | |
| Jan 21, 3:47 PM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 47 hr |
| Jan 23, 2:58 PM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 13 hr |
| Jan 24, 4:01 PM HST | Small Craft Advisory | HFO | 3 days | |
| Jan 24, 4:05 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 47 hr |
| Jan 25, 4:16 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 71 hr |
| Jan 28, 3:33 PM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 4 days |
| Jan 28, 3:34 PM HST | Small Craft Advisory | HFO | 24 hr | |
| Jan 30, 3:38 PM HST | Small Craft Advisory | HFO | 4 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Watch | 2 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 16 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 2 |
| Coast and beach | |
| High Surf Warning | 3 |
| High Surf Advisory | 8 |
| Marine | |
| Gale Warning | 2 |
| Gale Watch | 2 |
| 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 archive20192021
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.