The Merced River at Stevinson exceeded it's flood stage at 71 feet due to controlled dam releases on March 24 and remained above flood stage until April 10.
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The episode as NWS HNX wrote it up.
The Merced River at Stevinson exceeded it's flood stage at 71 feet due to controlled dam releases on March 24 and remained above flood stage until April 10.
The local office's own words before the first event, 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 the first event at Mar 31, 8:31 AM PST, 15 hours 29 minutes earlier.
Area Forecast Discussion National Weather Service Hanford CA 931 AM PDT Fri Mar 31 2023 .SYNOPSIS... A warming trend is expected this weekend. Be that as it may, high temperatures Sunday afternoon will still be around five degrees below normal for this time of year. Light precipitation is possible Sunday night through Monday night, and again Tuesday afternoon and Tuesday evening. Water in area rivers, creeks, and streams will continue to flow high and fast. && .DISCUSSION... A cyclone aloft will move eastward toward the coast of Southern California this afternoon and tonight. This upper-level area of low pressure will open into a trough of low pressure Saturday as it progress eastward along the California/Mexico border. Strong, gusty west to northwest winds are possible in the Mojave Desert Slopes Saturday afternoon and Saturday evening. A Wind Advisory may be required. Zonal flow aloft is expected Sunday. A trough of low pressure will deepen as it moves over Northern California Sunday night. This trough of low pressure will continue to deepen as it progress into and through the Great Basin Monday and Monday night. Strong, gusty west to northwest winds are possible in the Mojave Desert Slopes Monday afternoon and Monday evening. A Wind Advisory may be required. A secondary trough of low pressure will pass across the northern half of California Tuesday and Tuesday night. Precipitation wise, there is a slight chance of light rain in the San Joaquin Valley Sunday night through Monday night and again Tuesday afternoon and Tuesday evening. Rain amounts, if any, will be less than one tenth of an inch. There is a chance of rain in the Sierra Nevada foothills below 2,500 feet and a chance of snow above 2,500 feet. Snow amounts will be an inch or less from 2,500 feet to 3,000 feet. Total accumulations will be one to three inches from 3,000 feet to 4,000 feet. Snow amounts will be three to six inches above 4,000 feet. A ridge of high pressure will build across Central California Wednesday through Thursday, resulting in a warming trend. Be that as it may, high temperatures Thursday afternoon will still be above five degrees below normal for this time of year. && .AVIATION... VFR conditions will prevail for the next 24 hours. && .AIR QUALITY ISSUES... None. && .CERTAINTY... The level of certainty for days 1 and 2 is high. The level of certainty for days 3 through 7 is medium. Certainty levels include low, medium, and high. Please visit www.weather.gov/hnx/certainty.html for additional information and/or to provide feedback. && .HNX WATCHES/WARNINGS/ADVISORIES... None. && Public/Fire Weather...BS PIO/DSS...............AS Aviation..............JC weather.gov/hanford
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The Merced River at Stevinson exceeded it's flood stage of 71 feet due to controlled dam releases of excess snowmelt runoff.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2023Every state in 2023This day in weather historyWarnings in California, April 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1081010.