Alert archive / Hawaii / Honolulu County
Weather alerts in Honolulu County, Hawaii, 2025
109 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Honolulu County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 109
- Warnings
- 21
- Watches
- 10
- Advisories
- 69
- Busiest month
- January22 alerts
- Busiest day
- April 18, 20257 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Honolulu County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 0 | 100% | 4 | 0% | |
| Flash flood warnings | 5 | 2 | 60% | 2 | 100% | 41 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Honolulu, HI: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS Honolulu, HI: severe thunderstorm warnings | 8 | 2 | 75% | 23 | 65% | 51 min |
| NWS Honolulu, HI: flash flood warnings | 13 | 3 | 77% | 9 | 78% | 80 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Lasted |
|---|---|---|---|
| Dec 31, 3:08 PM HST | High Surf Advisory | HFO | 60 hr |
| Jan 3, 3:16 PM HST | High Surf Warning | HFO | 6 days |
| Jan 9, 3:32 PM HST | High Surf Advisory | HFO | 24 hr |
| Jan 12, 3:20 PM HST | High Surf Advisory | HFO | 48 hr |
| Jan 16, 3:32 PM HST | High Surf Warning | HFO | 48 hr |
| Jan 18, 3:19 PM HST | High Surf Advisory | HFO | 36 hr |
| Jan 22, 3:31 PM HST | High Surf Advisory | HFO | 60 hr |
| Jan 26, 2:39 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Jan 26, 4:53 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Jan 26, 5:06 PM HST | Flood Watch | HFO | 19 hr |
| Jan 26, 6:45 PM HST | Flash Flood Warning | HFO | 3 hr |
| Jan 28, 3:16 PM HST | Flood Watch | HFO | 71 hr |
| Jan 28, 3:37 PM HST | High Wind Watch | HFO | 35 hr |
| Jan 29, 3:01 AM HST | High Wind Warning | HFO | 72 hr |
| Jan 30, 10:22 AM HST | Areal Flood Advisory | HFO | 3 hr |
| Jan 30, 11:03 AM HST | Flash Flood Warning | HFO | 14 hr |
| Jan 30, 11:27 AM HST | Special Weather Statement | HFO | 33 min |
| Jan 30, 11:42 AM HST | Severe Thunderstorm Warning | HFO | 13 min |
| Jan 30, 11:47 AM HST | Severe Thunderstorm Watch | SPC | 5 hr |
| Jan 30, 12:41 PM HST | Severe Thunderstorm Warning | HFO | 14 min |
| Jan 30, 3:16 PM HST | Severe Thunderstorm Warning | HFO | 29 min |
| Jan 30, 6:56 PM HST | High Surf Advisory | HFO | 33 hr |
| Feb 3, 3:24 AM HST | High Surf Advisory | HFO | 5 days |
| Feb 8, 1:36 PM HST | Tsunami Advisory | HEB | 172 days |
| Feb 8, 3:06 PM HST | High Surf Advisory | HFO | 13 hr |
| Feb 10, 3:21 PM HST | High Surf Advisory | HFO | 5 days |
| Feb 11, 3:21 PM HST | High Surf Warning | HFO | 12 hr |
| Feb 17, 3:28 AM HST | High Surf Advisory | HFO | 3 days |
| Feb 22, 3:22 PM HST | High Surf Advisory | HFO | 48 hr |
| Feb 25, 3:13 PM HST | High Surf Advisory | HFO | 12 hr |
| Feb 26, 3:12 AM HST | High Surf Warning | HFO | 11 hr |
| Feb 26, 3:12 AM HST | High Surf Advisory | HFO | 24 hr |
| Feb 27, 8:42 AM HST | High Surf Warning | HFO | 43 hr |
| Feb 28, 3:31 AM HST | High Surf Advisory | HFO | 36 hr |
| Mar 3, 3:10 AM HST | High Surf Advisory | HFO | 30 hr |
| Mar 7, 3:29 PM HST | High Surf Advisory | HFO | 36 hr |
| Mar 14, 3:03 PM HST | High Surf Advisory | HFO | 12 hr |
| Mar 15, 8:55 PM HST | Areal Flood Advisory | HFO | 70 min |
| Mar 16, 7:09 PM HST | Areal Flood Advisory | HFO | 55 min |
| Mar 16, 8:04 PM HST | Flash Flood Warning | HFO | 4 hr |
| Mar 17, 3:01 AM HST | Flood Watch | HFO | 24 hr |
| Mar 17, 2:43 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Mar 23, 3:21 AM HST | High Surf Advisory | HFO | 15 hr |
| Mar 23, 6:50 PM HST | High Surf Warning | HFO | 20 hr |
| Mar 24, 3:26 AM HST | High Surf Advisory | HFO | 36 hr |
| Apr 4, 3:13 PM HST | High Surf Warning | HFO | 60 hr |
| Apr 4, 3:13 PM HST | High Surf Advisory | HFO | 4 days |
| Apr 16, 6:00 PM HST | Areal Flood Advisory | HFO | 2 hr |
| Apr 17, 2:57 AM HST | Areal Flood Advisory | HFO | 67 min |
| Apr 17, 5:35 AM HST | Areal Flood Advisory | HFO | 103 min |
| Apr 17, 9:17 AM HST | Areal Flood Advisory | HFO | 8 hr |
| Apr 17, 3:19 PM HST | High Surf Advisory | HFO | 12 hr |
| Apr 17, 8:36 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Apr 18, 11:59 AM HST | Areal Flood Advisory | HFO | 65 min |
| Apr 18, 1:04 PM HST | Flash Flood Warning | HFO | 105 min |
| Apr 18, 1:06 PM HST | Special Weather Statement | HFO | 24 min |
| Apr 18, 1:15 PM HST | Areal Flood Advisory | HFO | 12 min |
| Apr 18, 1:27 PM HST | Flash Flood Warning | HFO | 3 hr |
| Apr 18, 2:01 PM HST | Areal Flood Advisory | HFO | 118 min |
| Apr 26, 2:24 PM HST | Areal Flood Advisory | HFO | 63 min |
| Apr 27, 12:01 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Apr 27, 1:06 PM HST | Areal Flood Advisory | HFO | 111 min |
| Apr 28, 2:00 PM HST | Areal Flood Advisory | HFO | 5 hr |
| Apr 29, 12:38 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Apr 29, 1:45 PM HST | Areal Flood Advisory | HFO | 4 hr |
| May 17, 5:10 PM HST | Areal Flood Advisory | HFO | 86 min |
| Jun 6, 3:01 PM HST | High Surf Advisory | HFO | 40 hr |
| Jun 23, 3:14 AM HST | Coastal Flood Statement | HFO | 4 days |
| Jul 19, 9:03 PM HST | Tsunami Watch | HEB | 39 min |
| Jul 29, 1:33 PM HST | Tsunami Watch | HEB | 70 min |
| Jul 29, 2:43 PM HST | Tsunami Warning | HEB | 8 hr |
| Jul 30, 3:27 PM HST | High Surf Advisory | HFO | 60 hr |
| Jul 31, 3:14 AM HST | Wind Advisory | HFO | 4 days |
| Jul 31, 8:31 AM HST | Red Flag Warning | HFO | 3 days |
| Aug 4, 9:30 PM HST | High Surf Advisory | HFO | 18 hr |
| Aug 6, 10:18 PM HST | Coastal Flood Statement | HFO | 4 days |
| Aug 7, 3:49 PM HST | High Surf Advisory | HFO | 4 days |
| Aug 18, 3:31 PM HST | Coastal Flood Statement | HFO | 4 days |
| Sep 3, 3:03 AM HST | Coastal Flood Statement | HFO | 5 days |
| Sep 8, 3:33 PM HST | High Surf Warning | HFO | 36 hr |
| Oct 5, 1:02 PM HST | High Surf Advisory | HFO | 8 hr |
| Oct 6, 4:08 PM HST | Coastal Flood Statement | HFO | 5 days |
| Oct 10, 4:47 PM HST | Areal Flood Advisory | HFO | 99 min |
| Oct 12, 4:05 PM HST | High Surf Advisory | HFO | 47 hr |
| Oct 22, 3:41 PM HST | Fire Weather Watch | HFO | 17 hr |
| Oct 22, 8:23 PM HST | High Surf Advisory | HFO | 19 hr |
| Oct 23, 8:42 AM HST | Red Flag Warning | HFO | 56 hr |
| Oct 31, 3:18 PM HST | High Surf Advisory | HFO | 60 hr |
| Nov 3, 7:15 AM HST | High Surf Advisory | HFO | 8 hr |
| Nov 4, 3:04 PM HST | Coastal Flood Statement | HFO | 5 days |
| Nov 5, 3:17 AM HST | High Surf Advisory | HFO | 24 hr |
| Nov 9, 3:49 PM HST | High Surf Advisory | HFO | 5 days |
| Nov 19, 8:40 AM HST | High Surf Advisory | HFO | 27 hr |
| Nov 22, 3:14 AM HST | High Surf Advisory | HFO | 36 hr |
| Nov 25, 3:20 PM HST | High Surf Advisory | HFO | 65 hr |
| Nov 28, 3:10 PM HST | High Surf Warning | HFO | 69 hr |
| Dec 1, 11:42 AM HST | High Surf Advisory | HFO | 16 hr |
| Dec 3, 3:05 PM HST | Coastal Flood Statement | HFO | 4 days |
| Dec 4, 9:01 AM HST | High Surf Advisory | HFO | 43 hr |
| Dec 9, 11:22 PM HST | High Surf Advisory | HFO | 40 hr |
| Dec 12, 2:48 PM HST | Flood Watch | HFO | 4 days |
| Dec 14, 3:40 AM HST | High Surf Advisory | HFO | 47 hr |
| Dec 14, 9:51 AM HST | Areal Flood Advisory | HFO | 3 hr |
| Dec 14, 12:54 PM HST | Areal Flood Advisory | HFO | 3 hr |
| Dec 16, 3:25 PM HST | Flood Watch | HFO | 60 hr |
| Dec 17, 10:49 AM HST | High Surf Advisory | HFO | 40 hr |
| Dec 17, 10:05 PM HST | Areal Flood Advisory | HFO | 15 hr |
| Dec 19, 11:28 AM HST | Areal Flood Advisory | HFO | 53 min |
| Dec 29, 3:40 AM HST | High Surf Advisory | HFO | 59 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 | |
| Severe Thunderstorm Warning | 3 |
| Severe Thunderstorm Watch | 1 |
| Special Weather Statement | 2 |
| Flooding | |
| Flash Flood Warning | 5 |
| Flood Watch | 5 |
| Areal Flood Advisory | 26 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Coast and beach | |
| High Surf Warning | 9 |
| Tsunami Warning | 1 |
| Tsunami Watch | 2 |
| High Surf Advisory | 41 |
| Tsunami Advisory | 1 |
| Coastal Flood Statement | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.