Another area of low pressure moved into the Sierra Nevada by the afternoon of the 18th. This storm brought snow to the Sierra along with valley rain and extended through the morning hours of the 19th.
Every event with a place to put it; 3 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 REV wrote it up.
Another area of low pressure moved into the Sierra Nevada by the afternoon of the 18th. This storm brought snow to the Sierra along with valley rain and extended through the morning hours of the 19th. Much of northeast California was rain shadowed during this event.
The national radar mosaic for the moment the first event began.
3 winter weather. Local standard time, as filed.
Snowfall totals were generally between 3 and 7 inches above 7000 feet MSL and up to 2 inches down to near 6000 feet MSL along the western portion of the Lake Tahoe Basin in a 24 hour period from 18 May 0500PST to 19 May 0500PST.
Up to 2 inches of snow fell below 5000 feet MSL in northeastern California from 18 May 0500PST to 19 May 0500PST.
Mammoth Mountain Ski Resort reported 3 inches of snowfall in a 24 hour period from 18 May 0712PST to 19 May 0712PST. Report elevation 9014 feet MSL.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2019Every state in 2019This day in weather historyWarnings in California, May 2019
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 2026-09-30. Each event’s entry at NCEI: 831938, 831939, 831941.