A storm system moved across the Pacific Northwest trailing a mainly dry cold front across Northern and Central California.
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 MTR wrote it up.
A storm system moved across the Pacific Northwest trailing a mainly dry cold front across Northern and Central California.
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 San Francisco Bay Area, CA wrote its last area forecast discussion before the first event at Feb 26, 5:25 AM PST, 2 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA CA 525 AM PST THU FEB 26 2009 UPDATED TO REFLECT REVISED FORECAST PACKAGE FOR MAX TEMPS TODAY...FRIDAY...AND SATURDAY PORTIONS OF THE FORECAST AREA .DISCUSSION...AS OF 5:25 AM PST THURSDAY...EXTENSIVE MID AND HIGH CLOUDINESS MOVING TOWARD SOUTHERN CALIFORNIA COAST WITH COLD CORE UPPER LOW OVER WESTERN WASHINGTON AT POST TIME. ASSOCIATED WEAK SURFACE FRONT HAVING SWUNG THROUGH SAN FRANCISCO AND CENTRAL COAST LATITUDE NOW MOVING EAST OF FORECAST AREA. MOIST LOW-LEVEL FLOW WILL CONTINUE RESIDUAL LIGHT RAIN SHOWER ACTIVITY ONTO THE CENTRAL COAST AND NORTH BAY COUNTIES THIS MORNING. TRANSITORY SHORT-WAVE RIDGING LATE TODAY AND THROUGH EARLY FRIDAY WILL RESULT IN LESS CLOUDINESS BY THIS AFTERNOON WITH TEMPERATURES CLOSE TO NORMAL TODAY AND THEN HIGHER FRIDAY AND SATURDAY AS H8 TEMPS CLIMB FROM 3C TO 6C OVER THAT PERIOD. MORNING 4AM FORECAST PACKAGE UPDATED TO REFLECT MAX TEMPS TODAY THROUGH SATURDAY ADJUSTED UPWARD 2-4 DEGS. MAX TEMPS ON FRIDAY AND AGAIN SATURDAY GENERALLY SLIGHTLY ABOVE NORMAL. WITH THE RIDGE EXITING TO THE EAST WIND FLOW ALOFT CONTINUES TO BACK AHEAD OF NEXT WEATHER SYSTEM. HIGH PRESSURE AT THE SURFACE ALONG WITH WEAK SOUTHWEST WIND FLOW WILL CONTINUE TO EASE TEMPS HIGHER ON SATURDAY EVEN AS INCREASING HIGH CLOUDINESS IS NOTED. BY SATURDAY AFTERNOON GOOD CONSENSUS BETWEEN THE 00Z RUNS OF THE GFS AND ECMWF DEPICTING H5 LOW CENTERED NEAR N38/W135. THE PERIOD FROM SATURDAY AFTERNOON THROUGH TUESDAY EXPECTED TO BE MARKED BY PERIODS OF RAIN AND RAIN SHOWERS WITH TEMPERATURES DROPPING BELOW NORMAL DUE TO CLOUD COVER AND PRECIPITATION. DIVERGENCE BETWEEN THE TWO AFOREMENTIONED MEDIUM RANGE MODELS THAN OCCURS AS THE 00Z RUN OF THE GFS MOVING THE EAST PACIFIC LOW NORTHEAST TO JUST OFF THE PAC NW COAST WEDNESDAY. THE 00Z RUN OF THE ECMWF RESULTED IN THE LOW ALSO MOVING NORTHEAST TOWARD THE PAC NW BUT PICKING UP COLD AIR ALOFT AND THEN MOVING SOUTHWARD ALONG THE COAST TO A POINT JUST WEST OF THE BAY AREA BY THURSDAY. H5 HEIGHTS DROP TO 539DM BY 12Z FRIDAY AS H5 TEMPS AT OR BELOW -30C AT THE CORE. ACCOMPANYING SNOW LEVELS DROPPING BELOW 4000 FEET AS H8 TEMPS LOWER TO -3C BY 12Z FRIDAY. THE 06Z RUN OF THE GFS NOW DEPICTING SIMILAR SOLUTION TO 00Z ECMWF IN REGARD TO A COLD CORE CLOSED LOW ALONG THE CENTRAL COAST SO CONFIDENCE INCREASING FOR PRECIPITATION FOR THE COMING WEEK. AGAIN...INCLEMENT WEATHER WEEK WITH PERIODS OF RAIN AND LOWERING TEMPERATURES FROM MIDWEEK THROUGH FRIDAY...AND SNOW ON HIGHER PEAKS BY WEEKS END. && .AVIATION...AS OF 4:35 AM PST THURSDAY MORNING...A COOL FRONT CONTINUES TO GENERATE A FEW SHOWERS EARLY THIS MORNING. MVFR CONDITIONS PREVAIL WITH LOCALIZED IFR IN LIGHT SHOWERS. NARROW TEMPERATURE DEWPOINT SPREADS INDICATE HIGH HUMIDITIES BUT SOME DRIER AIR IS FORECAST TO MOVE IN ON WESTERLY BREEZES LATER THIS MORNING AND THROUGH THE AFTERNOON. VFR IS FORECAST THIS AFTERNOON AND EVENING. ITS A LOW CONFIDENCE FORECAST TONIGHT IN TERMS OF CLOUDS. FOR NOW FORECASTS INDICATE LESS CLOUDS OVERNIGHT BUT WITH A STABLE UPPER LEVEL RIDGE FORECAST TO BE OVER THE AREA THIS MAY ALLOW SOME LOW CLOUDS TO REDEVELOP. && .MTR WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC FORECAST: GUDGEL AVIATION/MARINE: CANEPA NWS ON THE WEB AT WEATHER.GOV/SANFRANCISCO
1 strong wind. Local standard time, as filed.
A large bay tree snapped in half and fell across power lines in Monte Rio and resulted in closing Starrett Hill Drive near Moscow Road.
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, February 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 2026-09-24. Each event’s entry at NCEI: 156213.