Alert archive / Hawaii / Flash Flood Watches in 2017

Flash Flood Watch 10, NWS Honolulu, HI

December 2, 2017Hawaii County, Hawaii

NWS Honolulu, HI issued this flash flood watch at Dec 2, 2017, 8:09 AM HST for Hawaii County, Hawaii. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Dec 2, 2017, 8:09 AM HST (18:09 UTC)
Expired: Dec 3, 2017, 3:48 AM HST
In force: 20 hr
Issued by: NWS Honolulu, HI
Flood severity: None

County Hawaii County, HI

The radar

The South Shore radar (PHWA), 57 km from the middle of the area, began a volume at 18:10 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 Dec 2, 3:45 AM HST, 4 hours 24 minutes earlier.

Area forecast discussion, Dec 2, 3:45 AM HST, 4 hours 24 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
Dec 1, 8:18 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 1, 8:58 PM HST	Wind Advisory	HFO	Hawaii, Honolulu, Kauai, Kalawao	42 hr
Dec 1, 8:58 PM HST	Winter Weather Advisory	HFO	Hawaii	7 hr
Dec 1, 11:18 PM HST	Areal Flood Advisory	HFO	Hawaii	9 hr
Dec 2, 7:48 AM HST	High Surf Advisory	HFO	Honolulu, Kauai, Kalawao	44 hr
Dec 2, 7:50 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 2, 8:09 AM HST	Winter Weather Advisory	HFO	Hawaii	20 hr

Nearby

Flash Flood Watches in Hawaii, 2017 Every flash flood watch in 2017

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.