California Department of Transportation reported 14 inches of snow in 24 hours at 6118 feet.
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The episode as NWS REV wrote it up.
California Department of Transportation reported 14 inches of snow in 24 hours at 6118 feet.
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 Dec 4, 3:03 PM PST, 6 hours 17 minutes earlier.
CLOUDS AND WINDS INCREASING AHEAD OF SHORT WAVE APPROACHING 130W. MODELS DROP THIS FEATURE INTO THE PACIFIC NW TONIGHT AND IT MOVES RAPIDLY INTO MONTANA BY TOMORROW PM. GRADIENTS TIGHTEN AS LF QUAD OF 130KT JET MOVES OVER THE NORTHERN SIERRA AND NW NEVADA OVERNIGHT. OROGRAPHICS THE BIG WILD CARD WITH THIS EVENT. ETA BULLISH ON QPF GENERATING OVER AN INCH IN THE SIERRA WHILE AVN SEEMS MORE REASONABLE. W-NW FLOW NOT AS FAVORABLE THUS CATEGORICAL POPS WITH ACCUMULATIONS BELOW ADVISORY CRITERIA THE WAY TO GO WITH FAST MOVING SYSTEM FOR THE NORTHERN SIERRA. SNOW WILL SPILL OVER INTO WESTERN VALLEYS BUT DROP OFF RAPIDLY EAST OF THE SIERRA AND SOUTH OF TAHOE TONIGHT. WEDNESDAY INTO FRIDAY EASTERN PACIFIC RIDGE BUILDS EAST INTO NEVADA. A SECOND SHORT WAVE MOVES BY TO THE NORTH OF OUR AREA WEDNESDAY NIGHT. MODELS HAVE A MODERATE AMOUNT OF WARM AIR ADVECTION AHEAD OF THIS FEATURE SO THERE WILL BE A CHANCE OF SNOW SHOWERS WEDNESDAY INTO THE EVENING BEFORE PARTIAL CLEARING OVERNIGHT. THURSDAY AND FRIDAY A SURFACE HIGH BUILDS INTO OREGON. SUNNY SKIES WITH GUSTY NE WINDS OVER THE RIDGES EXPECTED BOTH DAYS. TEMPERATURES SHOULD WARM TO JUST ABOVE SEASONAL NORMALS BY THE END OF THE WEEK. EXTENDED...UPPER LEVEL RIDGING WILL KEEP W NV AND NE CA DRY FRI BEFORE A FAIRLY STRONG SPLITTING PAC NW TROUGH MAKES LAND FALL DURING THE WEEKEND. MODELS DIFFER ON TIMING OF SYSTEM AS WRNOGAPS AND CAN BRING TROUGH AXIS THROUGH SUN MORNING WHILE MRF AND ECMWF A BIT SLOWER. CURRENTLY LEANING TOWARD THE SLOWER SOLUTION WHICH FOLLOWS PREVIOUS PACKAGE. RIDGING BEHIND SYSTEM TUESDAY IS EXPECTED TO PROVIDE DRY CONDITIONS. SG/RM
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2001Every state in 2001This day in weather historyWarnings in California, December 2001
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: 5275745.