Alert archive / Hawaii / 2020
Weather alerts in Hawaii, November 2020
29 weather alerts in November 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 November 2020. Tap one for its archive.
- Alerts
- 29
- Warnings
- 7
- Watches
- 3
- Advisories
- 19
- Busiest day
- November 24, 20205 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 |
|---|---|---|---|---|
| Nov 4, 11:34 AM HST | Areal Flood Advisory | HFO | Kauai | 9 hr |
| Nov 4, 3:29 PM HST | Small Craft Advisory | HFO | 10 days | |
| Nov 4, 8:21 PM HST | Areal Flood Advisory | HFO | Kauai | 2 hr |
| Nov 9, 3:17 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 4 days |
| Nov 10, 9:08 AM HST | Gale Watch | HFO | 6 hr | |
| Nov 10, 3:11 PM HST | Gale Warning | HFO | 49 hr | |
| Nov 10, 3:31 PM HST | Wind Advisory | HFO | Hawaii, Kalawao | 72 hr |
| Nov 15, 11:15 AM HST | Areal Flood Advisory | HFO | Honolulu | 2 hr |
| Nov 18, 7:23 AM HST | Special Marine Warning | HFO | 112 min | |
| Nov 18, 8:42 AM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Nov 18, 9:14 AM HST | Special Marine Warning | HFO | 2 hr | |
| Nov 18, 1:47 PM HST | Special Marine Warning | HFO | 118 min | |
| Nov 18, 3:15 PM HST | Small Craft Advisory | HFO | 10 days | |
| Nov 19, 12:07 PM HST | Gale Watch | HFO | 51 hr | |
| Nov 21, 3:23 AM HST | Wind Advisory | HFO | Hawaii, Kalawao | 48 hr |
| Nov 21, 3:24 PM HST | Gale Warning | HFO | 36 hr | |
| Nov 21, 3:27 PM HST | High Surf Advisory | HFO | Honolulu, Kalawao | 72 hr |
| Nov 23, 3:36 PM HST | Flash Flood Watch | HFO | Hawaii, Kalawao | 29 hr |
| Nov 24, 12:02 AM HST | Areal Flood Advisory | HFO | Honolulu | 5 hr |
| Nov 24, 4:05 AM HST | Areal Flood Advisory | HFO | Kalawao | 6 hr |
| Nov 24, 5:27 AM HST | Areal Flood Advisory | HFO | Kauai | 6 hr |
| Nov 24, 5:27 AM HST | Special Marine Warning | HFO | 2 hr | |
| Nov 24, 2:12 PM HST | Areal Flood Advisory | HFO | Kalawao | 2 hr |
| Nov 24, 4:59 PM HST | Areal Flood Advisory | HFO | Honolulu | 71 min |
| Nov 25, 7:43 AM HST | Areal Flood Advisory | HFO | Kauai | 68 min |
| Nov 25, 8:51 AM HST | Flash Flood Warning | HFO | Kauai | 8 hr |
| Nov 25, 4:21 PM HST | Areal Flood Advisory | HFO | Hawaii | 4 hr |
| Nov 26, 4:13 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Nov 26, 7:09 PM HST | Areal Flood Advisory | HFO | Hawaii | 72 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 | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 13 |
| Wind and dust | |
| Wind Advisory | 2 |
| Coast and beach | |
| High Surf Advisory | 2 |
| Marine | |
| Gale Warning | 2 |
| Special Marine Warning | 4 |
| Gale Watch | 2 |
| Small Craft Advisory | 2 |
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.