Alert archive / California / River Flood Warnings in 2017

River Flood Warning 42, NWS Sacramento, CA

February 19, 2017Amador County, El Dorado County, Sacramento County, California

NWS Sacramento, CA issued this river flood warning at Feb 19, 2017, 7:57 PM PST for Amador County, El Dorado County, Sacramento County, California. It took effect at Feb 20, 2017, 3:48 PM PST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Feb 19, 2017, 7:57 PM PST (03:57 UTC)
In effect from: Feb 20, 2017, 3:48 PM PST
Expired: Feb 21, 2017, 3:02 PM PST
In force: 23 hr
Issued by: NWS Sacramento, CA
Area: Storm-based polygon
Flood severity: Minor

Counties Amador County, CA, El Dorado County, CA, Sacramento County, CA

The radar

The Sacramento radar (KDAX), 73 km from the middle of the area, began a volume at 03:58 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 Cosumnes River at Michigan Bar (MHBC1). The gauge peaked at 12.05 ft at Feb 21, 2017, 12:00 AM PST.

Action stage: 7 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11335000, 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this river flood warning went out at Feb 19, 2:57 PM PST, 5 hours earlier.

Area forecast discussion, Feb 19, 2:57 PM PST, 5 hours before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 2:42 AM PST	River Flood Warning	STO	Stanislaus	24 hr
Feb 20, 12:05 PM PST	Flash Flood Watch	STO		12 hr
Feb 20, 1:10 PM PST	Wind Advisory	STO		14 hr

Nearby

River Flood Warnings in California, 2017 Every river flood warning 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; the gauge from the NWS water service and the USGS.