Alert archive / California / River Flood Warnings in 2017
River Flood Warning 9, NWS Hanford, CA
NWS Hanford, CA issued this river flood warning at May 9, 2017, 8:32 AM PDT for Mariposa County, California. It took effect at May 10, 2017, 4:00 AM PDT. It was in force for 37 hr.
The area
The counties it named.
The facts
- Issued
- May 9, 2017, 8:32 AM PDT (15:32 UTC)
- In effect from
- May 10, 2017, 4:00 AM PDT
- Expired
- May 11, 2017, 4:37 PM PDT
- In force
- 37 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 15:36 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).
- 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.