A persistent Low pressure system, in conjunction with an Omega blocking pattern over the continental US, weakens. Instability continues and some areas of convection produce precipitation as the low diminishes.
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.
A persistent Low pressure system, in conjunction with an Omega blocking pattern over the continental US, weakens. Instability continues and some areas of convection produce precipitation as the low diminishes.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Small hail measured around 0.33 inch diameter observed 4 miles WSW of Dinsmore by a trained spotter.
Pea sized hail associated with radar returns from WSR 88D.
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, May 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: 1097653, 1097652.