KLOX3080165249 KLOX@nwws.oes.ca.gov 2010-02-09T03:42:45-08:00 Actual Alert Public WWUS86 KLOX 091142 SPSLOX Met SPECIAL WEATHER STATEMENT Future Unknown Possible 2010-02-09T07:42:45-08:00 NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA A COLD AND VIGOROUS STORM SYSTEM WILL AFFECT SOUTHWESTERN CALIFORNIA TODAY THROUGH EARLY WEDNESDAY A STRONG AND COLD UPPER LOW OFF THE NORTHERN CALIFORNIA COAST IS FORECAST TO DROP SOUTHWARD TODAY...TRACKING JUST WEST OF SOUTHWESTERN CALIFORNIA LATER TODAY AND NIGHT. THIS SYSTEM WILL THREATEN THE REGION WITH A VARIETY OF WEATHER HAZARDS...INCLUDING HEAVY SHOWERS...THUNDERSTORMS...GUSTY WINDS AND MODERATE TO HEAVY SNOW ACCUMULATIONS WITH LOW SNOW LEVELS. SHOWERS WILL DEVELOP NORTH OF POINT CONCEPTION EARLY THIS MORNING...THEN SPREAD INTO VENTURA AND LOS ANGELES COUNTIES BY THIS AFTERNOON. SHOWERS WILL BEGIN TO DECREASE FROM NORTHWEST TO SOUTHEAST ACROSS THE REGION TONIGHT. SCATTERED SHOWERS WILL LINGER INTO EARLY WEDNESDAY ACROSS LOS ANGELES AND VENTURA COUNTIES. WHILE MOISTURE WAS STILL FAIRLY LIMITED WITH THIS SYSTEM...IT IS EXPECTED TO TAP INTO SOME PACIFIC MOISTURE AS IT MOVES TOWARD THE REGION LATER TODAY AND TONIGHT. COLD AIR ALOFT ASSOCIATED WITH THE APPROACHING UPPER LOW WILL CAUSE INCREASING INSTABILITY THROUGH THE ATMOSPHERE THIS AFTERNOON INTO TONIGHT...LEADING TO A CHANCE OF THUNDERSTORMS... SOME OF WHICH COULD PRODUCE SMALL HAIL... VERY HEAVY DOWNPOURS AND GUSTY WINDS. IT IS NOT OUT OF THE QUESTION THAT SOME HAIL COULD APPROACH SEVERE LIMITS...AND SOME WATERSPOUTS IN THE COASTAL WATERS COULD COME ASHORE AS WEAK TORNADOS. DUE TO THE COLD NATURE OF THIS STORM... SNOW WILL LIKELY FALL AT VERY LOW ELEVATIONS ACROSS THE REGION... IMPACTING TRAVEL ON MAJOR ROUTES INTO AND THROUGH THE MOUNTAINS SUCH AS INTERSTATE 5 THROUGH THE GRAPEVINE AND POSSIBLY PORTIONS OF THE 14 FREEWAY. SNOW LEVELS ARE EXPECTED TO START OUT BETWEEN 4000 AND 5000 FEET TODAY... THEN WILL LOWER TO BETWEEN 3000 AND 4000 FEET TONIGHT. THERE IS A CHANCE THAT SNOW LEVELS COULD LOWER TO 2500 FEET LATE TONIGHT...WHICH COULD BRING ACCUMULATING SNOWS INTO THE FOOTHILLS ABOVE THE ANTELOPE VALLEY... THE CUYAMA VALLEY... AND THE INTERIOR VALLEYS OF SAN LUIS OBISPO COUNTY. SINCE THE PRECIPITATION WILL BE SHOWERY IN NATURE... RAINFALL TOTALS THROUGH EARLY WEDNESDAY WILL BE HIGHLY VARIABLE... BUT WILL AVERAGE ONE THIRD OF AN INCH TO ONE INCH ACROSS THE AREA... WITH LOCAL TOTALS OVER 2 INCHES POSSIBLE IN AREAS THAT RECEIVE THUNDERSTORMS. IT APPEARS THAT THE HIGHEST RAINFALL TOTALS WILL OCCUR ACROSS LOS ANGELES COUNTY... ESPECIALLY ACROSS EASTERN SECTIONS... INCLUDING THE STATION AND MORRIS BURN AREAS. THESE AREAS WILL ALSO HAVE THE BEST CHANCE OF RECEIVING THUNDERSTORMS WITH HIGH INTENSITY RAINFALL. A FLASH FLOOD WATCH HAS BEEN POSTED FOR THE RECENT BURN AREAS OF LOS ANGELES AND SANTA BARBARA COUNTIES. PLEASE REFER TO (LAXFFALOX) FOR ADDITIONAL INFORMATION. IN THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED... WITH LOCAL TOTALS AS HIGH AS 16 INCHES IN THE SAN GABRIELS. IN THE MOUNTAINS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES...3 TO 6 INCHES OF SNOW ARE EXPECTED. PLEASE REFER TO (LAXWSWLOX) FOR MORE DETAILS. RESIDENTS OF SOUTHWEST CALIFORNIA ARE URGED TO STAY TUNED TO THE LATEST NATIONAL WEATHER SERVICE STATEMENTS AND POSSIBLE WATCHES AND WARNINGS AS THIS WEATHER SITUATION CONTINUES TO DEVELOP. route ncsnorth.oes.ca.gov;capserverNorth SAN LUIS OBISPO COUNTY CENTRAL COAST-SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-SANTA MONICA MOUNTAINS RECREATIONAL AREA-SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-LOS ANGELES COUNTY SAN GABRIEL VALLEY- 35.793274,-120.19697 35.61313,-120.19697 35.43693,-119.99854 34.911175,-119.472755 34.81932,-119.22686 34.81932,-119.22686 34.81932,-117.645604 34.289947,-117.645604 33.954013,-117.79389 33.943912,-117.936396 33.740577,-118.118946 33.664642,-118.2529 33.664642,-118.2529 33.73493,-118.41356 33.81525,-118.40352 33.81525,-118.40352 34.006023,-118.50393 34.006023,-118.78507 34.076305,-119.10638 34.156635,-119.21682 34.267086,-119.30718 34.387573,-119.51803 34.407654,-119.69877 34.397614,-119.85942 34.45786,-120.01004 34.43778,-120.44179 34.52814,-120.52211 34.578342,-120.63255 34.749035,-120.63255 34.749035,-120.63255 34.88961,-120.672714 34.88961,-120.672714 35.070343,-120.62251 35.14063,-120.743 35.14063,-120.743 35.23099,-120.893616 35.421764,-120.883575 35.421764,-120.883575 35.441845,-120.98398 35.6025,-121.13459 35.662746,-121.27517 35.793274,-121.32537 35.793274,-120.19697 UGC CAZ034>041-044>046-051>054-059-087-088-547-548-092300-