Alert archive / California / River Flood Watches in 2010

River Flood Watch 3, NWS Eureka, CA

December 28, 2010Mendocino County, California

NWS Eureka, CA issued this river flood watch at Dec 28, 2010, 9:55 AM PST for Mendocino County, California. It took effect at Dec 29, 2010, 2:24 AM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 28, 2010, 9:55 AM PST (17:55 UTC)
In effect from: Dec 29, 2010, 2:24 AM PST
Expired: Dec 29, 2010, 10:30 AM PST
In force: 8 hr
Issued by: NWS Eureka, CA
Flood severity: None

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 17:57 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.

The river

Written for the forecast point Russian River near Hopland (HOPC1).

Minor stage: 15 ft
Moderate stage: 23 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11462500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this river flood watch went out at Dec 27, 3:52 PM PST, 18 hours 3 minutes earlier.

Area forecast discussion, Dec 27, 3:52 PM PST, 18 hours 3 minutes before

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The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 28, 1:55 AM PST	Gale Warning	EKA		19 hr
Dec 28, 3:17 AM PST	Areal Flood Advisory	EKA	Del Norte, Humboldt, Mendocino, Trinity	24 hr
Dec 28, 9:55 AM PST	River Flood Watch	EKA	Mendocino	30 hr

Nearby

River Flood Watches in California, 2010 Every river flood watch in 2010

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; the gauge from the NWS water service and the USGS.