Hazardous Weather Outlook
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
400 PM PST TUE FEB 9 2010
CAZ042-CAZ043-048-050-055>058-060>062-PZZ750-PZZ775-101200-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
400 PM PST TUE FEB 9 2010
THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF EXTREME SOUTHWESTERN
CALIFORNIA.
.DAY ONE...REMAINDER OF TODAY AND TONIGHT.
UPPER LEVEL LOW PRESSURE WILL MOVE OVER SOUTHERN CALIFORNIA BRINGING
SHOWERS AND ISOLATED THUNDERSTORMS WITH BRIEF HEAVY RAIN. THERE
COULD ALSO BE WATERSPOUTS AND FUNNEL CLOUDS. LOCAL HEAVY MOUNTAIN
SNOW WITH THE SNOW LEVEL LOWERING TO NEAR 3000 FEET.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY.
WEDNESDAY...ISOLATED SHOWERS AND THUNDERSTORMS WITH BRIEF HEAVY
RAIN. LOCAL HEAVY SNOW IN THE MOUNTAINS WITH THE SNOW LEVEL NEAR
3000 FEET. SHOWERS WILL TAPER OFF DURING THE DAY.
.SPOTTER INFORMATION STATEMENT...SKYWARN SPOTTER ACTIVATION IS
REQUESTED.
$$
ATKIN
Flood Advisory
FLOOD ADVISORY
NATIONAL WEATHER SERVICE SAN DIEGO CA
631 PM PST TUE FEB 9 2010
CAZ043-048-050-055-056-058-100530-
/O.NEW.KSGX.FA.Y.0014.100210T0231Z-100210T0530Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-SAN BERNARDINO CA-RIVERSIDE CA-
631 PM PST TUE FEB 9 2010
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
SOUTHWESTERN SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA...
WESTERN RIVERSIDE COUNTY IN SOUTHWEST CALIFORNIA...
WESTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA...
* UNTIL 930 PM PST
* AT 624 PM PST MODERATE...LOCALLY HEAVY RAIN WAS MOVING THROUGH THE
AREA. THIS AREA OF RAIN WILL CONTINUE TO MOVE EASTWARD AT ABOUT 15
MPH. HEAVY RAIN ON SATURATED GROUND WILL PRODUCE LOCAL FLOODING IN
LOW LYING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3267 11718 3268 11725 3285 11729 3288 11726
3309 11732 3335 11753 3343 11755 3337 11739
3347 11729 3345 11713 3435 11764 3419 11676
3393 11683 3259 11648 3253 11712
$$
SMALL
Short Term Forecast
SHORT TERM FORECAST
NATIONAL WEATHER SERVICE SAN DIEGO CA
811 PM PST TUE FEB 9 2010
CAZ043-048-050-100615-
SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-
811 PM PST TUE FEB 9 2010
.NOW...
THE RAIN WILL CONTINUE BEYOND 10 PM...BUT DECREASE IN COVERAGE AND
INTENSITY. AT 755 PM MODERATE TO HEAVY RAIN WAS MOVING THROUGH THE
AREA. THE HEAVIEST SHOWERS WERE IN THE SAN DIEGO COUNTY
VALLEYS...HEADING TOWARD THE FOOTHILLS. THUNDERSTORMS ARE ALSO
POSSIBLE WITH SMALL HAIL. WET ROADS AND LOCAL PONDING OF WATER CAN
BE EXPECTED. RAINFALL TOTALS OF 0.10 TO 0.20 INCHES PER HOUR CAN BE
EXPECTED...EXCEPT UP TO 0.50 INCHES IN AN HOUR IN THE HEAVIEST
SHOWERS.
$$
Special Weather Statement
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
908 AM PST TUE FEB 9 2010
CAZ042-043-048-050-055>058-060>062-110000-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
908 AM PST TUE FEB 9 2010
...A COLD AND VIGOROUS STORM SYSTEM WILL IMPACT SOUTHWEST CALIFORNIA
TODAY THROUGH EARLY WEDNESDAY...
A COLD...COMPACT LOW PRESSURE SYSTEM WILL TRACK SOUTHWARD JUST OFF
THE CALIFORNIA COAST TODAY...MOVING INLAND ACROSS NORTHERN BAJA
EARLY WEDNESDAY.
THIS SYSTEM IS EXPECTED TO BRING PRECIPITATION TODAY WITH SNOW
LEVELS NEAR 4500 TO 5000 FEET.
THE COLD FRONT IS EXPECTED TO MOVE THROUGH SOUTHWEST CALIFORNIA LATE
THIS AFTERNOON THROUGH EARLY EVENING WITH NUMEROUS SHOWERS
CONTINUING OVERNIGHT AND DECREASING WEDNESDAY. THUNDERSTORMS WITH
SMALL HAIL ARE ALSO POSSIBLE TONIGHT THROUGH EARLY WEDNESDAY. SNOW
LEVELS WILL LOWER TO AROUND 4000 FEET EARLY THIS EVENING AND 3000
FEET LATE TONIGHT THROUGH EARLY WEDNESDAY.
SNOW LEVELS THIS LOW WILL BRING SNOW TO THE UPPER DESERTS AND IMPACT
TRAVEL MOST MOUNTAIN PASSES. SNOWFALL OF 8 TO 16 INCHES IS EXPECTED
ABOVE 6000 FEET WITH LOCALLY GREATER AMOUNTS. SEVERAL INCHES OF SNOW
ARE EXPECTED AT 4000 FEET AT SEVERAL MOUNTAIN PASSES.
RAINFALL AMOUNTS ARE EXPECTED TO RANGE FROM NEAR 1 INCH AT THE COAST
TO 1.5 TO 2.5 INCHES ON THE COASTAL MOUNTAIN SLOPES WITH LOCAL
AMOUNTS TO 3.5 INCHES. AMOUNTS IN THE DESERTS WILL REACH ONE QUARTER
TO ONE HALF INCH.
PERIODS OF HEAVY PRECIPITATION ARE POSSIBLE TONIGHT THROUGH EARLY
WEDNESDAY FROM THUNDERSTORMS AND HEAVIER SHOWERS WHICH COULD
INCREASE THE RUNOFF AND FLOODING POTENTIAL...ESPECIALLY FOR NORTHERN
AREAS NEARLY SATURATED FROM RAINFALL FROM LAST WEEKEND. A FLASH
FLOOD WATCH IS POSTED FOR THESE AREAS THROUGH TONIGHT. IN AREAS
WHICH HAVE SEEN FIRES IN RECENT YEARS...DEBRIS FLOWS WILL BE A
THREAT DURING HEAVY RAINS.
$$
MM/BALFOUR
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