Alert archive / Hawaii / Flash Flood Watches
Flash Flood Watches in Hawaii, 2018
20 flash flood watches in 2018. 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Flash Flood Watches
- 20
- Busiest month
- February5 flash flood watches
- Busiest day
- February 2, 20181 flash flood watches
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 1, 3:05 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 6 days |
| Feb 13, 3:05 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Feb 16, 3:23 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Feb 21, 3:56 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 71 hr |
| Feb 24, 9:27 PM HST | Flash Flood Watch | HFO | Kauai | 30 hr |
| Mar 14, 4:55 PM HST | Flash Flood Watch | HFO | Kauai | 20 hr |
| Mar 22, 3:41 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 55 hr |
| Apr 3, 10:02 AM HST | Flash Flood Watch | HFO | Honolulu, Kauai | 20 hr |
| Apr 6, 3:28 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 72 hr |
| Apr 14, 3:21 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 48 hr |
| Apr 18, 3:44 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 59 hr |
| May 1, 3:53 PM HST | Flash Flood Watch | HFO | Honolulu, Kauai | 3 days |
| Aug 21, 5:39 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 5 days |
| Aug 27, 3:32 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 36 hr |
| Sep 10, 3:07 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Sep 24, 3:49 AM HST | Flash Flood Watch | HFO | Kauai | 60 hr |
| Oct 11, 10:19 AM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 53 hr |
| Oct 19, 3:18 AM HST | Flash Flood Watch | HFO | Hawaii, Kalawao | 48 hr |
| Oct 28, 3:34 PM HST | Flash Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 60 hr |
| Dec 27, 7:11 PM HST | Flash Flood Watch | HFO | Kauai | 20 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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.