Alert archive / Hawaii / Flash Flood Warnings in 2023

Flash Flood Warning 17, NWS Honolulu, HI

April 1, 2023Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Apr 1, 2023, 11:37 AM HST for Kauai County, Hawaii. It was in force for 96 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 1, 2023, 11:37 AM HST (21:37 UTC)
Expired: Apr 1, 2023, 1:13 PM HST
In force: 96 min
Issued by: NWS Honolulu, HI
Area: Storm-based polygon
Flood severity: None

County Kauai County, HI

The radar

The South Kauai radar (PHKI), 20 km from the middle of the area, began a volume at 21:37 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 Apr 1, 10:11 AM HST, 1 hour 26 minutes earlier.

Area forecast discussion, Apr 1, 10:11 AM HST, 1 hour 26 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 31, 2:58 PM HST	Areal Flood Advisory	HFO	Kauai	4 hr
Apr 1, 7:22 AM HST	Flood Watch	HFO	Kauai	8 hr
Apr 1, 7:48 AM HST	Special Marine Warning	HFO		57 min
Apr 1, 8:39 AM HST	Special Marine Warning	HFO		66 min
Apr 1, 9:33 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr

Nearby

Flash Flood Warnings in Hawaii, 2023 Every flash flood warning in 2023

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.