Alert archive / California / River Flood Warnings in 2017

River Flood Warning 11, NWS Hanford, CA

May 22, 2017Mariposa County, California

NWS Hanford, CA issued this river flood warning at May 22, 2017, 7:23 AM PDT for Mariposa County, California. It took effect at May 23, 2017, 3:00 AM PDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
May 22, 2017, 7:23 AM PDT (14:23 UTC)
In effect from
May 23, 2017, 3:00 AM PDT
Expired
May 25, 2017, 2:33 PM PDT
In force
60 hr
Issued by
NWS Hanford, CA
Area
Storm-based polygon
Flood severity
Minor

County Mariposa County, CA

The radar

The San Joaquin Valley radar (KHNX), 143 km from the middle of the area, began a volume at 14:26 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 Pohono Bridge (POHC1). The gauge peaked at 10.57 ft at May 24, 2017, 3:00 AM PDT.

minormoderate8101205/2205/2305/2405/2505/26
Minor stage
10 ft
Moderate stage
12.5 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11266500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in California, 2017Every 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.