Alert archive / Hawaii / Flash Flood Warnings in 2025

Flash Flood Warning 8, NWS Honolulu, HI

March 16, 2025Honolulu County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Mar 16, 2025, 8:04 PM HST for Honolulu County, Hawaii. It was in force for 4 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 16, 2025, 8:04 PM HST (06:04 UTC)
Expired: Mar 16, 2025, 11:52 PM HST
In force: 4 hr
Issued by: NWS Honolulu, HI
Area: Storm-based polygon
Flood severity: None

County Honolulu County, HI

The radar

The Molokai radar (PHMO), 88 km from the middle of the area, began a volume at 06:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

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 16, 3:17 PM HST, 4 hours 47 minutes earlier.

Area forecast discussion, Mar 16, 3:17 PM HST, 4 hours 47 minutes before

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The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 16, 7:09 PM HST	Areal Flood Advisory	HFO	Honolulu	55 min
Mar 16, 8:14 PM HST	Special Marine Warning	HFO		58 min
Mar 16, 10:19 PM HST	Special Marine Warning	HFO		56 min
Mar 16, 10:52 PM HST	Special Marine Warning	HFO		113 min
Mar 16, 11:14 PM HST	Special Marine Warning	HFO		2 hr
Mar 17, 12:31 AM HST	Special Marine Warning	HFO		119 min
Mar 17, 1:15 AM HST	Special Marine Warning	HFO		68 min
Mar 17, 2:51 AM HST	Special Marine Warning	HFO		114 min
Mar 17, 3:01 AM HST	Flood Watch	HFO	Honolulu, Kauai	24 hr
Mar 17, 4:38 AM HST	Special Marine Warning	HFO		44 min

Nearby

Flash Flood Warnings in Hawaii, 2025 Every flash flood warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.