Alert archive / California / River Flood Warnings in 2017

River Flood Warning 7, NWS Hanford, CA

February 20, 2017Merced County, California

NWS Hanford, CA issued this river flood warning at Feb 20, 2017, 2:30 AM PST for Merced County, California. It took effect at Feb 21, 2017, 9:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 20, 2017, 2:30 AM PST (10:30 UTC)
In effect from: Feb 21, 2017, 9:00 AM PST
Expired: Feb 21, 2017, 2:30 AM PST
In force
Issued by: NWS Hanford, CA
Area: Storm-based polygon
Flood severity: Minor

County Merced County, CA

The radar

The San Francisco radar (KMUX), 105 km from the middle of the area, began a volume at 10:32 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 Merced River at Stevinson (STVC1).

Action stage: 68 ft
Minor stage: 71 ft
Moderate stage: 73.8 ft
Major stage: 75 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11272500, 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 Hanford, CA wrote its last area forecast discussion before this river flood warning went out at Feb 19, 2:45 PM PST, 11 hours 45 minutes earlier.

Area forecast discussion, Feb 19, 2:45 PM PST, 11 hours 45 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 12:13 PM PST	Areal Flood Advisory	HNX	Fresno, Madera, Mariposa, Tulare	6 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.