Alert archive / Hawaii / Flash Flood Watches in 2017

Flash Flood Watch 11, NWS Honolulu, HI

December 17, 2017Hawaii County, Honolulu County, Kalawao County, Hawaii

NWS Honolulu, HI issued this flash flood watch at Dec 17, 2017, 3:23 PM HST for Hawaii County, Honolulu County, Kalawao County, Hawaii. It took effect at Dec 18, 2017, 6:00 PM HST. It was in force for 70 hr.

The area

The counties it named.

The facts

Issued: Dec 17, 2017, 3:23 PM HST (01:23 UTC)
In effect from: Dec 18, 2017, 6:00 PM HST
Expired: Dec 21, 2017, 4:00 PM HST
In force: 70 hr
Issued by: NWS Honolulu, HI
Flood severity: None

Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI

The radar

The Molokai radar (PHMO), 57 km from the middle of the area, began a volume at 01:23 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 17, 10:04 AM HST, 5 hours 19 minutes earlier.

Area forecast discussion, Dec 17, 10:04 AM HST, 5 hours 19 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 17, 3:23 PM HST	Winter Storm Watch	HFO	Hawaii	13 hr
Dec 18, 4:04 AM HST	Winter Storm Warning	HFO	Hawaii	3 days

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.