Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
434 AM PST WED JAN 9 2013

CAZ042-043-048-050-055>058-060>062-101430-
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-
434 AM PST WED JAN 9 2013

...COLD LOW PRESSURE SYSTEM FOR THURSDAY AND THURSDAY NIGHT...
...CONTINUED COLD AND WINDY AT TIMES FRIDAY THROUGH MONDAY...

A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL MOVE THROUGH
SOUTHWEST CALIFORNIA. IT IS EXPECTED TO BRING SIGNIFICANT COOLING
WITH MUCH LOWER SNOW LEVELS...STRONG GUSTY WEST WINDS IN THE
MOUNTAINS...DESERTS...AND COASTAL WATERS...AND LIGHT TO LOCALLY
MODERATE PRECIPITATION AMOUNTS ALONG AND WEST OF THE MOUNTAINS. THIS
COLD AND LOCALLY WINDY PATTERN IS EXPECTED TO PERSIST INTO EARLY
NEXT WEEK.

* RAINFALL THURSDAY MORNING...WITH THE PASSAGE OF THE COLD
FRONT...RAINFALL IS EXPECTED TO RANGE FROM LESS THAN ONE TENTH
INCH NEAR THE COAST TO AROUND ONE QUARTER INCH IN THE MOUNTAINS.

* RAINFALL TOTALS THROUGH THURSDAY NIGHT...SHOWERS ARE EXPECTED TO
CONTINUE MAINLY NEAR THE MOUNTAINS THURSDAY AFTERNOON AND DECREASE
THURSDAY NIGHT WITH RAINFALL TOTALS FROM LATE WEDNESDAY NIGHT
THROUGH LATE THURSDAY NIGHT RANGING FROM AROUND ONE TENTH INCH
NEAR THE COAST TO ONE QUARTER TO ONE HALF INCH IN THE MOUNTAINS
WITH LOCALLY GREATER AMOUNTS.

* SNOWFALL FOR THURSDAY AND THURSDAY NIGHT...SNOW LEVELS WILL LOWER
TO 3500 TO 4000 FEET THURSDAY MORNING...3000 TO 3500 FEET THURSDAY
AFTERNOON...AND 2500 TO LOCALLY 2000 FEET THURSDAY NIGHT. SNOWFALL
OF A FEW INCHES IS POSSIBLE ABOVE 3500 FEET WITH LOCAL AMOUNTS TO
AROUND 6 INCHES ABOVE 5000 FEET. THERE COULD BE LOCAL AMOUNTS OF
AN INCH OR TWO IN PORTIONS OF THE UPPER DESERTS.

* WINDS FOR THURSDAY AND THURSDAY NIGHT...STRONG GUSTY WEST WINDS
ARE EXPECTED IN THE MOUNTAINS AND DESERTS THURSDAY THROUGH LATE
THURSDAY NIGHT. STRONGEST WINDS WITH LOCAL GUSTS TO 65 MPH ARE
EXPECTED LATE TONIGHT THROUGH THURSDAY AFTERNOON IN SAN BERNARDINO
COUNTY MOUNTAIN AND DESERT AREAS AND DURING THURSDAY AFTERNOON AND
EVENING IN THE MOUNTAINS AND DESERTS OF RIVERSIDE AND SAN DIEGO
COUNTIES.

* TEMPERATURES...HIGH AND LOW TEMPERATURES AROUND 10 TO 15 DEGREES
BELOW AVERAGE ARE EXPECTED FOR FRIDAY THROUGH MONDAY WITH MINOR
WARMING POSSIBLE FOR TUESDAY.

* FROST AND FREEZE...MANY INLAND AREAS COULD HAVE SEVERAL HOURS OF
SUBFREEZING TEMPERATURES EACH NIGHT FROM FRIDAY NIGHT THROUGH
MONDAY NIGHT WITH TEMPERATURES IN INLAND VALLEY AND SOME LOWER
DESERT AREAS IN THE 20S AND LOCALLY IN THE UPPER TEENS. GROWERS
SHOULD TAKE PRECAUTIONS TO PROTECT SENSITIVE CROPS.

* IMPACTS FOR THURSDAY AND THURSDAY NIGHT...DRIVING THROUGH THE
MOUNTAINS MAY BE DIFFICULT AT TIMES DUE TO LOCALLY REDUCED
VISIBILITY...SLICK ROADS...STRONG WINDS...AND SNOW. TRAVEL ALONG
INTERSTATE 8 IN THE SAN DIEGO COUNTY MOUNTAINS AND INTERSTATE 15
THROUGH THE CAJON PASS MAY BE IMPACTED BY SNOW AND STRONG GUSTY
WINDS.

* IMPACTS FOR FRIDAY THROUGH MONDAY...FROST IS POSSIBLE IN WESTERN
VALLEY AND SOME COASTAL AREAS EACH NIGHT. FOR THE INLAND VALLEYS
AND SOME LOWER DESERT AREAS...GROWERS SHOULD TAKE MEASURES TO
PROTECT SENSITIVE CROPS FROM SEVERAL HOURS OF SUBFREEZING
TEMPERATURES EACH NIGHT.

STAY TUNED TO NOAA WEATHER RADIO...THE NATIONAL WEATHER SERVICE
WEBSITE AT WEATHER.GOV/SANDIEGO...OR LOCAL MEDIA FOR UPDATES.

THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

$$

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