Alert archive / Hawaii / Flash Flood Warnings
Flash Flood Warnings in Hawaii, 2019
21 flash flood warnings in 2019. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Flash Flood Warnings
- 21
- Busiest month
- November5 flash flood warnings
- Busiest day
- February 14, 20193 flash flood warnings
Over time
By month
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 |
|---|---|---|---|---|
| Feb 14, 2:52 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Feb 14, 5:18 AM HST | Flash Flood Warning | HFO | Honolulu | 4 hr |
| Feb 14, 1:41 PM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Apr 29, 1:37 PM HST | Flash Flood Warning | HFO | Honolulu | 2 hr |
| Apr 29, 1:52 PM HST | Flash Flood Warning | HFO | Kalawao | 117 min |
| Jun 25, 6:40 PM HST | Flash Flood Warning | HFO | Honolulu | 6 hr |
| Aug 4, 12:26 PM HST | Flash Flood Warning | HFO | Kauai | 88 min |
| Aug 4, 6:55 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Sep 14, 6:44 PM HST | Flash Flood Warning | HFO | Honolulu | 112 min |
| Sep 16, 4:54 AM HST | Flash Flood Warning | HFO | Kauai | 60 min |
| Oct 11, 1:58 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Oct 11, 4:42 AM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Oct 11, 3:40 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Oct 11, 6:27 PM HST | Flash Flood Warning | HFO | Kauai | 5 hr |
| Nov 16, 10:02 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Nov 17, 12:44 AM HST | Flash Flood Warning | HFO | Kauai | 12 hr |
| Nov 18, 11:40 PM HST | Flash Flood Warning | HFO | Honolulu | 113 min |
| Nov 19, 7:45 PM HST | Flash Flood Warning | HFO | Honolulu | 2 hr |
| Nov 19, 7:59 PM HST | Flash Flood Warning | HFO | Hawaii | 6 hr |
| Dec 24, 8:47 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Dec 25, 4:07 AM HST | Flash Flood Warning | HFO | Kauai | 9 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.