Low pressure just west of the mouth of the Columbia River on the morning of the 24th moved into eastern California and northwest Nevada early on the 25th. This pushed a sharp cold front into northeast California with heavy snow on the 24th.
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 REV wrote it up.
Low pressure just west of the mouth of the Columbia River on the morning of the 24th moved into eastern California and northwest Nevada early on the 25th. This pushed a sharp cold front into northeast California with heavy snow on the 24th.
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 Reno, NV wrote its last area forecast discussion before the first event at Nov 24, 3:49 AM PST, 4 hours 11 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.
Four to 6 inches of heavy, wet snow (6-7 to 1 snow to liquid ratio) fell on the 24th south and west of Susanville, including the Sierra Valley and near Bieber. Eleven inches was reported just southeast of Lake Davis at 6000 feet.
Heavy snowfall of 8 to 15 inches fell from the Truckee airport to along and west of highway 89 on the 24th, with the highest amount in the Tahoe-Donner area. Lesser amounts of 5 to 7 inches fell for most other locations. Areas from Homewood to Glenshire reported 4 inches of snowfall between 1000PST and 1400PST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2015Every state in 2015This day in weather historyWarnings in California, November 2015
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: 610012, 610017.