Alert archive / Hawaii / Flash Flood Watches in 2011

Flash Flood Watch 5, NWS Honolulu, HI

February 20, 20114 counties in Hawaii

NWS Honolulu, HI issued this flash flood watch at Feb 20, 2011, 10:05 AM HST for 4 counties in Hawaii. It took effect at Feb 20, 2011, 10:12 AM HST. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Feb 20, 2011, 10:05 AM HST (20:05 UTC)
In effect from: Feb 20, 2011, 10:12 AM HST
Expired: Feb 24, 2011, 3:37 PM HST
In force: 4 days
Issued by: NWS Honolulu, HI
Flood severity: None

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

The radar

The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 20:07 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 Feb 20, 10:00 AM HST, 5 minutes earlier.

Area forecast discussion, Feb 20, 10:00 AM HST, 5 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
Feb 19, 9:57 PM HST	Areal Flood Advisory	HFO	Honolulu	114 min
Feb 19, 11:10 PM HST	Flash Flood Warning	HFO	Honolulu	3 hr
Feb 20, 1:28 PM HST	Small Craft Advisory	HFO		14 hr

Nearby

Flash Flood Watches in Hawaii, 2011 Every flash flood watch in 2011

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.