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 through the remainder of March.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
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 through the remainder of March.
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 24, 1:40 AM PST, 9 hours 20 minutes earlier.
Area Forecast Discussion National Weather Service Hanford CA 240 AM PDT Fri Mar 24 2023 .SYNOPSIS...Skies will slowly clear out today although some light morning snow showers will be possible in the Tehachapi Mountains. Some mountain showers will be possible on the Sierra Nevada on Saturday otherwise the weekend looks to be dry with cool temperatures. The next system will impact our area Monday night through Wednesday. && .DISCUSSION...The upper trough that brought the rain and mountain snow to our area earlier this week is continuing to shift east into the central CONUS while shortwave energy continues to push through central CA from the northwest. This shortwave energy will maintain some upslope over the Tehachapi Mountains resulting in scattered snow showers which have the potential to impact travel along Interstate 5 and Highway 58. A Winter Weather Advisory remains in effect for the Tehachapi, Grapevine and Frazier Mountain communities until 1100 AM PDT this morning. In addition, downslope winds above 50 mph will continue to impact the Mojave Desert Slopes this morning where a Wind Advisory remains in effect until 500 AM this morning. While winds in the Mojave are progged to decrease later this morning, the HRRR has been trending towards increased winds again for this area this afternoon and evening so will need to take a look at this situation. In the meantime a shortwave ridge is progged to strengthen just off the coast this weekend which will maintain mainly dry weather for our area although an upper level dropping into the Great Basin on Saturday might bring a few snow showers to the higher elevations of the Sierra Nevada. Temperatures across the area will remain below seasonal normals as a cool airmass prevails over the region. The medium range models and their ensemble means are converging on the idea of another large upper tough dropping southward off the PAC NW coast on Monday then further southward into CA on Tuesday and Wednesday. This will bring another round of significant precipitation to our area Monday night through Wednesday with the heaviest precipitation expected on Tuesday afternoon and evening. Snow levels are progged to be between 4000 and 5000 feet on Tuesday and lower to 2500 to 3500 feet by Wednesday morning which will result in potential travel impacts in the Sierra foothills and across the Tehachapi Mountains including along Interstate 5 and Highway 58 once again. Latest NBM probabilistic guidance continues to indicate a 60-70 percent chance of a foot or more of snow across many of the mountain communities in the Sierra Nevada Tuesday and Tuesday night with additional snowfall likely on Wednesday. The trough will move east of our area on Thursday, but cyclonic flow will maintain unsettled conditions and a chance of showers for our area. && .AVIATION...Areas of mountain obscuring IFR in the Sierra Nevada in upslope clouds and in the Tehachapi Mountains in upslope clouds and showers until 20Z Fri. Elsewhere, VFR conditions will prevail for the next 24 hours. && .AIR QUALITY ISSUES...None. && .CERTAINTY... The level of certainty for days 1 and 2 is medium. 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... Wind Advisory until 8 AM PDT this morning for CAZ338. Winter Weather Advisory until 11 AM PDT this morning for CAZ334>336. && public/aviation/fire wx...DAS pio/idss...JEB 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, March 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: 1079620.