Alert archive / Hawaii / Flash Flood Watches in 2020

Flash Flood Watch 8, NWS Honolulu, HI

November 23, 2020Hawaii County, Kalawao County, Hawaii

NWS Honolulu, HI issued this flash flood watch at Nov 23, 2020, 3:36 PM HST for Hawaii County, Kalawao County, Hawaii. It took effect at Nov 23, 2020, 6:00 PM HST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued: Nov 23, 2020, 3:36 PM HST (01:36 UTC)
In effect from: Nov 23, 2020, 6:00 PM HST
Expired: Nov 24, 2020, 8:58 PM HST
In force: 27 hr
Issued by: NWS Honolulu, HI
Flood severity: None

Counties Hawaii County, HI, Kalawao County, HI

The radar

The Kamuela/Kohala Apt radar (PHKM), 57 km from the middle of the area, began a volume at 01:35 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 watch 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 watch went out at Nov 23, 3:36 PM HST, 0 minutes earlier.

Area forecast discussion, Nov 23, 3:36 PM HST, 0 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 24, 12:02 AM HST	Areal Flood Advisory	HFO	Honolulu	5 hr
Nov 24, 4:05 AM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Nov 24, 5:27 AM HST	Areal Flood Advisory	HFO	Kauai	6 hr
Nov 24, 5:27 AM HST	Special Marine Warning	HFO		2 hr

Nearby

Flash Flood Watches in Hawaii, 2020 Every flash flood watch in 2020

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.