A wet pacific storm swept in this day and brought heavy precipitation to northern California. so most of the populated areas got only rain.
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 MFR wrote it up.
A wet pacific storm swept in this day and brought heavy precipitation to northern California. The snow level was quite high...in the 4000-5000 foot range...so most of the populated areas got only rain.
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 Medford, OR wrote its last area forecast discussion before the first event at Dec 29, 8:55 AM PST, 3 hours 15 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
The CALTRANS sensor at Snowman Summit (Elevation 4478 ft) reported 0.99 inches of precipitation in 12 hours. Temperatures during this interval ranged from 25 to 27 degrees.
Based on a report at nearby Snowman Summit in CAZ082, it is assumed that warning criteria was met in CAZ083 as well. The CALTRANS sensor at Snowman Summit (Elevation 4478 ft) reported 0.99 inches of precipitation in 12 hours. Temperatures during this interval ranged from 25 to 27 degrees.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2009Every state in 2009This day in weather historyWarnings in California, December 2009
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: 201496, 201498.