An upper level trough with 700mb temperatures around -17c brings lower elevation winter precipitation and hail to the CWA. Steep lapse rates from cold mid level temperatures also characterize this episode as a spring time winter weather continuation of this season.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 EKA wrote it up.
An upper level trough with 700mb temperatures around -17c brings lower elevation winter precipitation and hail to the CWA. Steep lapse rates from cold mid level temperatures also characterize this episode as a spring time winter weather continuation of this season.
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 Eureka, CA wrote its last area forecast discussion before the first event at Apr 2, 1:32 PM PST, 7 hours 40 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Eureka CA 207 PM PDT Sun Apr 2 2023 CAZ101-103-104-107>109-112-022215- Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Northern Trinity-Southern Trinity-Mendocino Coast- Southwestern Mendocino Interior- 207 PM PDT Sun Apr 2 2023 This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. CAZ113-115-022215- Southeastern Mendocino Interior-Southern Lake- 207 PM PDT Sun Apr 2 2023 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM PDT MONDAY... This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. A Freeze Warning is currently in effect. .DAYS TWO THROUGH SEVEN...Monday through Saturday. A Freeze Warning is currently in effect. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. CAZ102-105-106-022215- Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior- 207 PM PDT Sun Apr 2 2023 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 AM PDT MONDAY... This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. A Winter Weather Advisory is currently in effect. .DAYS TWO THROUGH SEVEN...Monday through Saturday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. CAZ110-111-114-022215- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 207 PM PDT Sun Apr 2 2023 ...HARD FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM PDT MONDAY... This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. A Hard Freeze Warning is currently in effect. .DAYS TWO THROUGH SEVEN...Monday through Saturday. A Hard Freeze Warning is currently in effect. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Hail accumulated and melted quickly, 1 mile NNW of Cutten via CoCoRaHS.
Small hail estimated at 0.25 inch, observed near Bayview by CoCoRaHS Monday night, 04/02/2023.
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 2026-10-01. Each event’s entry at NCEI: 1097622, 1097631.