A warm and moist storm system brought heavy rain to the Sacramento Valley.
Every event with a place to put it. 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 STO wrote it up.
A warm and moist storm system brought heavy rain to the Sacramento Valley.
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 25, 8:55 PM PST, 3 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SACRAMENTO CA 855 PM PST SUN FEB 25 2007 .DISCUSSION... WATER VAPOR IMAGERY SHOWS A BROAD TROUGH OF LOW PRESSURE OFF THE WEST COAST...WITH MULTIPLE CIRCULATION CENTERS AND A LOT OF COLD AIR CUMULUS. MEANWHILE...NORTHERN CALIFORNIA IS LOCATED IN ZONAL WESTERLY FLOW PORTION OF THE TROUGH...WITH THE MOISTURE PLUME POINTED DIRECTLY AT CENTRAL CALIFORNIA. IN THE LOCATION OF THIS PLUME...RADAR IMAGERY SHOWS SHOWERS STREAMING ACROSS THE DELTA AND INTO THE LOWER SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS. THESE SHOWERS CONTINUE TO ENHANCE AS THEY LIFT INTO THE FOOTHILLS AND SIERRA AS WELL...WITH SNOW LEVELS RANGING BETWEEN 4000 AND 4500 FEET THIS EVENING. FURTHER NORTH...SCATTERED SHOWERS ARE MOVING INLAND...AND WILL SPREAD INTO THE NORTHERN SACRAMENTO VALLEY TONIGHT. CURRENT FORECAST HANDLES THESE TRENDS PRETTY WELL...AND NO UPDATES ARE PLANNED AT THIS TIME. THIS COLD WET WEATHER WILL CONTINUE THROUGH THE MIDDLE OF THE WORK WEEK...AS A SERIES OF SYSTEMS MOVE AROUND THE TROUGH AND ACROSS NORTHERN CALIFORNIA. SNOW LEVELS WILL GRADUALLY LOWER WITH EACH SYSTEM...AND MAY EVEN LOWER TO NEAR THE 1000 FOOT LEVEL BY LATE TUESDAY NIGHT. WILL CONTINUE TO MONITOR THE DEVELOPING WINTER WEATHER...AND MAY NEED TO EXPAND THE LENGTH OF TIME AND AREAS OF THE WATCHES AND WARNING AS CONFIDENCE INCREASES. FOR NOW THOUGH...CURRENT WATCHES AND WARNINGS ARE HANDLING THESE TRENDS WELL. PALMER .PREVIOUS DISCUSSION (ISSUED AT 355 PM SUN)...ACTIVE WEATHER DAY OVER INTERIOR NORCAL...ALTHOUGH PRETTY WELL HANDLED BY THE MODELS. DYNAMIC SUPPORT REMAINS MEAGER OVERNIGHT... BUT JUICY MOISTURE PLUME REMAINS FIXED OVER THE SOUTHERN PORTION OF OUR FORECAST AREA. THIS IS A FAIRLY CLASSIC RAIN SHADOW SETUP FOR US WITH PRECIP EXPECTED TO PERSIST OVER THE WEST SLOPE OF THE SIERRA IN REGION OF OROGRAPHIC SUPPORT. OTHERWISE...CENTRAL VALLEY HAS SEEN ONLY A SMATTERING OF CLOUDS/ISOLATED SHOWERS IN LEE OF COASTAL RANGE. WOULD EXPECT MORE OF THE SAME OVERNIGHT...SO UNDERCUT MOS POPS FOR THE NORTHERN HALF OF OUR AREA (SANS THE SIERRA ZONES). THINGS START GETTING INTERESTING AGAIN MONDAY AFTERNOON WITH APPROACH OF OUR NEXT POTENT-LOOKING SHORT WAVE. WARM ADVECTION PRODUCES JUST ENOUGH LIFT TO SATURATE A DEEP COLUMN OVER OUR AREA BY EARLY AFTERNOON...BUT EXPECT THE HEAVIER PRECIP TO HOLD OFF UNTIL STRONGER DYNAMICS APPROACH THE REGION LATER IN THE AFTERNOON. NAM12 CONTINUES TO SHOW A STRONG CONVERGENT Q-VECTOR SIGNATURE WITH AFOREMENTIONED SHORT WAVE REACHING OUR NORTHERN ZONES BY 4 PM... OVERSPREADING THE REMAINDER OF OUR AREA DURING THE LATE EVENING. MODELED THERMAL PROFILES ARE SUPPORTIVE OF SNOW AS LOW AS 2 KFT OVER OUR NORTHERN ZONES...SO ISSUED A WINTER STORM WATCH FOR OUR NORTHERN MOUNTAINS AND FOOTHILLS FOR MONDAY AFTERNOON/NIGHT AS WELL. MODELS DIFFER ON TIMING OF ANY BREAK FOLLOWING THE MONDAY NIGHT SYSTEM...WITH THE GFS SUGGESTING THERE NOT BE MUCH OF A LULL ON TUESDAY BEFORE OUR NEXT WAVE OF SIGNIFICANT PRECIP. DECIDED TO AVOID EXTENDING THE WARNING ANY FURTHER THAN WHATS ALREADY OUT...BUT ADDED WORDING TO SUGGEST THE POSSIBILITY OF HEAVY PRECIP CONTINUING THROUGH TUESDAY AND PERHAPS INTO WEDNESDAY. JUSKIE && .AVIATION... GENERALLY VFR WITH MULTILAYERED MID CLOUDS...BKN-OVC080-090. SCATTERED SHOWERS CIGS BKN030-050 INTERIOR VALLEYS AND IFR-LIFR CIG/VSBY MTNS OBSCURING HYR TRRN. SNOW LEVEL 3000-3500 FEET. S TO SW MTN SURFACE WINDS GUSTING TO 20 TO 30 KTS. && .STO WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING UNTIL 4 AM PST TUESDAY FOR WEST SLOPE NORTHERN SIERRA NEVADA-WESTERN PLUMAS COUNTY/LASSEN PARK. WINTER STORM WATCH FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT FOR THE INTERIOR COASTAL RANGE NORTH OF CLEAR LAKE...THE MOUNTAINS OF SHASTA COUNTY...AND FOR THE FOOTHILLS SURROUNDING THE NORTHERN SACRAMENTO VALLEY &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 700 AM PST SUN FEB 25 2007 CAZ013>019-063-064-066>069-261500- SHASTA LAKE AREA/NORTHERN SHASTA COUNTY- BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY- CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY- CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY- MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES- CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE- EAST FOOTHILLS/NORTH SACRAMENTO VALLEY- WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA- 700 AM PST SUN FEB 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA. .DAY ONE...TODAY ANOTHER STORM FROM THE PACIFIC WILL MOVE OVER THE INTERIOR OF NORTHERN CALIFORNIA TODAY. RAIN...MOUNTAIN SNOW AND STRONG GUSTY WINDS WILL CONTINUE. ISOLATED THUNDERSTORMS ARE POSSIBLE AS COLDER AIR SPREADS INLAND FROM THE PACIFIC. SNOW LEVELS WILL RANGE FROM 2000 TO 4000 FEET. * WINTER STORM WARNING.......SEE WWUS46 KSTO - WSWSTO FOR DETAILS * * WINTER WEATHER ADVISORY....SEE WWUS46 KSTO - WSWSTO FOR DETAILS * .DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY RAIN AND SNOW SHOWERS ALONG WITH BREEZY CONDITIONS WILL CONTINUE ON MONDAY. STILL ANOTHER STORM WILL MOVE INLAND FROM THE PACIFIC BRINGING AN INCREASE IN PRECIPITATION FROM MONDAY AFTERNOON INTO TUESDAY AND STRONG WINDS. THERE IS ALSO A SLIGHT CHANCE OF THUNDERSTORMS IN THE VALLEY AND FOOTHILLS ON TUESDAY. COLDER AIR MOVING INTO THE AREA WILL LOWER SNOW LEVELS...DOWN TO 1000 FEET OR LESS IN SOME AREAS. DRIER AND COOL WEATHER IS EXPECTED FOR THE LATTER HALF OF THE WEEK. * WINTER STORM WARNING.......SEE WWUS46 KSTO - WSWSTO FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE. THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT (LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
A new daily precipitation record of 0.77 inches was set at the Sacramento Executive Airport, breaking the old record of 0.63 set in 1957.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2007Every state in 2007This day in weather historyWarnings in California, February 2007
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: 13801.