Alert archive / Hawaii / Flash Flood Warnings in 2019

Flash Flood Warning 17, NWS Honolulu, HI

November 18, 2019Honolulu County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Nov 18, 2019, 11:40 PM HST for Honolulu County, Hawaii. It was in force for 113 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: Nov 18, 2019, 11:40 PM HST (09:40 UTC)
Expired: Nov 19, 2019, 1:33 AM HST
In force: 113 min
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 09:41 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 Nov 18, 8:33 PM HST, 3 hours 7 minutes earlier.

Area forecast discussion, Nov 18, 8:33 PM HST, 3 hours 7 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
Nov 18, 2:32 PM HST	Special Marine Warning	HFO		118 min
Nov 18, 3:33 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Nov 18, 3:54 PM HST	Special Marine Warning	HFO		93 min
Nov 18, 11:18 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Nov 19, 7:00 AM HST	Areal Flood Advisory	HFO	Honolulu	65 min
Nov 19, 9:58 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Nov 19, 1:58 PM HST	Areal Flood Advisory	HFO	Hawaii	2 hr

Nearby

Flash Flood Warnings in Hawaii, 2019 Every flash flood warning in 2019

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.