Alert archive / Hawaii / Flash Flood Warnings in 2026
Flash Flood Warning 25, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Mar 21, 2026, 10:35 PM HST for Kalawao County, Hawaii. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2026, 10:35 PM HST (08:35 UTC)
- Expired
- Mar 22, 2026, 3:24 AM HST
- In force
- 5 hr
- Issued by
- NWS Honolulu, HI
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Kalawao County, HI
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Mar 21, 9:18 AM HST, 13 hours 17 minutes earlier.
Area forecast discussion, Mar 21, 9:18 AM HST, 13 hours 17 minutes before
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</html>The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 3:22 PM HST | Areal Flood Advisory | HFO | Hawaii | 113 min |
| Mar 21, 5:18 PM HST | Special Marine Warning | HFO | 87 min | |
| Mar 21, 5:23 PM HST | Areal Flood Advisory | HFO | Honolulu | 88 min |
| Mar 21, 5:25 PM HST | Areal Flood Advisory | HFO | Kalawao | 7 hr |
| Mar 21, 6:30 PM HST | Special Marine Warning | HFO | 54 min | |
| Mar 21, 6:34 PM HST | Special Marine Warning | HFO | 116 min | |
| Mar 21, 7:04 PM HST | Areal Flood Advisory | HFO | Kalawao | 8 hr |
| Mar 21, 8:30 PM HST | Special Marine Warning | HFO | 2 hr | |
| Mar 21, 10:23 PM HST | Special Marine Warning | HFO | 110 min | |
| Mar 21, 11:20 PM HST | Areal Flood Advisory | HFO | Hawaii | 5 hr |
| Mar 22, 3:19 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Mar 22, 5:46 AM HST | Areal Flood Advisory | HFO | Honolulu | 87 min |
| Mar 22, 6:06 AM HST | Flash Flood Warning | HFO | Kalawao | 5 hr |
| Mar 22, 9:15 AM HST | Areal Flood Advisory | HFO | Kalawao | 88 min |
| Mar 22, 11:02 AM HST | Special Marine Warning | HFO | 58 min | |
| Mar 22, 11:53 AM HST | Special Marine Warning | HFO | 28 min |
Nearby
Flash Flood Warnings in Hawaii, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.