Winter Storm, Clear Lake/Southern Lake County
- When
- February 9, 4:00 AM PST to February 12, 4:00 PM PST
- Where
- Clear Lake/Southern Lake County forecast zone
- Reported by
- TRAINED SPOTTER
A cold, prolonged winter storm dumped heavy snow down to the 1500 foot level. Lighter snow fell down to 500 feet.
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 STO wrote it up.
A cold, prolonged winter storm dumped heavy snow down to the 1500 foot level. Lighter snow fell down to 500 feet. Highways 50 and 88, and Interstate 80 all were temporarily closed due to the heavy snow. Avalanche potential was at its highest level. PG&E reported about 3000 homes were affected by power outages. One to two feet of snow was common below 3000 feet, while the higher terrain measured up to six feet in 72 hours.
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 Sacramento, CA wrote its last area forecast discussion before the first event at Feb 8, 9:00 PM PST, 7 hours earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 PM PST THU FEB 08 2001
THE UPPER LOW IS SPINNING OFF THE PACIFIC NORTHWEST COAST AND SLIDING
SOUTHEAST WITH AN ATTENDANT COLD FRONT APPROACHING THE NORCAL COAST.
IR SATELLITE IMAGES SHOWS AN EXTENSIVE BAND OF HIGH CLOUDS HAS MOVED
EAST OVER THE EASTERN HALF OF THE CWA. BOTH RADAR AND SATELLITE
PICKED UP A MID CLOUD DECK...THAT ACCORDING TO A COOP OBSERVER
PRODUCED SOME VERY LIGHT RAIN AROUND 6 PM IN THE SOUTHERN SAC VALLEY
A LITTLE HEAVIER PRECIPITATION IS CURRENTLY MOVING ACROSS THE
NORTHERN PORTION OF THE CWA WITH RED BLUFF REPORTING LIGHT RAIN AND
SHINGLETOWN SOUTHEAST OF REDDING AT 3300 FEET REPORTING LIGHT SNOW.
KDAX REFLECTIVITY SHOWS THE PRECIPITATION IS NORTH OF MARYSVILLE.
RAWS DATA INDICATES MEASURABLE PRECIPITATION...A FEW STATIONS...MT
SHASTA AND COASTAL MOUNTAIN LOCATIONS...TO THE NORTH AND WEST OF THE
CWA...HAVE PICKED UP A FEW HUNDREDTHS OF AN INCH SO FAR. THE 00Z KOAK
SOUNDING INDICATED SIGNIFICANT WARMING DURING THE PAST 24 HOURS
THROUGHOUT THE COLUMN WITH PREFRONTAL WWA. THE INTERMEDIATE KOAK
SOUNDING AT 03Z SHOWS THE SATURATED LAYER HAS LOWERED FROM 6H TO
AROUND 750 MB IN ONLY THE PAST 3 HOURS. NO UPDATES EXPECTED AS TIMING
OF CURRENT FORECAST LOOKS GOOD WITH A WINTER STORM WARNING IN THE
NORTHERN MOUNTAINS AND NORTHERN SAC VALLEY STARTING TONIGHT AND
WATCHES FOR HIGHER TERRAIN FURTHER EAST FOR FRIDAY.
.STO...WINTER STORM WARNING LATE TONIGHT AND FRIDAY FROM THE
MOUNTAINS OF WESTERN SHASTA COUNTY TO LAKE COUNTY AND THE
NORTHERN SACRAMENTO VALLEY.
WINTER STORM WATCH FRIDAY AND FRIDAY NIGHT FOR EASTERN
SHASTA COUNTY.
WINTER STORM WATCH FRIDAY THROUGH SATURDAY FOR WESTERN PLUMAS
COUNTY/LASSEN PARK AND THE WEST SLOPES OF THE NORTHERN SIERRA
NEVADA.
WINTER STORM WATCH FRIDAY AND FRIDAY NIGHT FOR THE MOTHERLODE
N AND EAST FOOTHILLS/NORTH SACRAMENTO VALLEY.9 winter storm. 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, February 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: 5231122, 5231123, 5231124, 5231125, 5231126, 5231127, 5231128, 5231129, 5231230.