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[pct-l] SoCal weather this weekend



Looks to be a wet start for the hikers who left Campo this week!  And snow
in the mountains!  Remember the old (eewww) margarine commercial, you can't
fool Mother Nature?

FYI - another weather statement from my-cast.com
----- Original Message -----
From: "My-Cast" <alerter@my-cast.com>
To: "Christine" <cmkudija@earthlink.net>
Sent: Saturday, April 12, 2003 6:22 AM
Subject: Special Weather Statement  until 8:00pm, Sat Apr 12 2003


Christine,

Here is a current Special Weather Statement for Wildwood (Newhall, CA) until
8:00pm, Sat Apr 12 2003, from your local National Weather Service office.

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
615 AM PDT SAT APR 12 2003

...A COLD SPRING STORM SYSTEM WILL AFFECT SOUTHWESTERN CALIFORNIA
   LATE TODAY THROUGH MONDAY...

A LARGE UPPER LEVEL LOW PRESSURE SYSTEM OFF THE OREGON COAST EARLY THIS
MORNING WILL CONTINUE TO MOVE SLOWLY SOUTHWARD TOWARD THE CALIFORNIA
COAST TODAY. THIS WILL RESULT IN INCREASINGLY STRONG AND MOIST
SOUTHWESTERLY FLOW ALOFT ACROSS CALIFORNIA...WHICH WILL LIKELY BRING
PERIODS OF PRECIPITATION TO THE AREA LATE TODAY THROUGH MONDAY.

STRONG ONSHORE FLOW AND A VERY DEEP MARINE LAYER WAS CAUSING SOME
PATCHY DRIZZLE ACROSS THE AREA THIS MORNING. ANY SIGNIFICANT RAIN
THIS WEEKEND WILL BE THE RESULT OF A COUPLE OF DIFFERENT IMPULSES
ROTATING AROUND THE LARGE UPPER LOW OFF THE WEST COAST. THE FIRST
IMPULSE WILL TRACK ACROSS CENTRAL CALIFORNIA TODAY. RAIN WITH THIS
FIRST BAND OF PRECIPITATION WILL AFFECT MAINLY SAN LUIS OBISPO AND
SANTA BARBARA COUNTIES TONIGHT...POSSIBLY STARTING AS EARLY AS LATE
THIS AFTERNOON ALONG THE COAST NORTH OF SAN LUIS OBISPO. THE BAND OF
RAIN IS EXPECTED TO STALL ACROSS SAN LUIS OBISPO AND SANTA BARBARA
COUNTIES TONIGHT AND EARLY SUNDAY. THEREFORE...ACROSS VENTURA AND
LOS ANGELES COUNTIES...LITTLE MORE THAN DRIZZLE IS EXPECTED THROUGH
SUNDAY MORNING.

A SECOND IMPULSE WILL APPROACH THE CENTRAL COAST SUNDAY MORNING.
THIS WILL HELP ENHANCE THE BAND OF RAIN ACROSS SAN LUIS OBISPO AND
SANTA BARBARA COUNTIES...WITH RAIN BECOMING HEAVY AT TIMES. THEN...
THIS BAND OF RAIN IS EXPECTED TO PUSH SLOWLY SOUTHEASTWARD DURING
SUNDAY...REACHING VENTURA COUNTY BY AFTERNOON...AND LOS ANGELES
COUNTY IN THE AFTERNOON OR EVENING. THERE IS A CHANCE THAT STEADY
RAIN MAY NOT OVERSPREAD LOS ANGELES COUNTY UNTIL AFTER DARK SUNDAY
EVENING. RAIN WILL TURN TO SHOWERS ACROSS THE CENTRAL COAST SUNDAY
EVENING...BUT PROBABLY NOT UNTIL MONDAY MORNING ACROSS LOS ANGELES
COUNTY. THE THREAT OF SHOWERS WILL CONTINUE ACROSS SOUTHWESTERN
CALIFORNIA THROUGH MONDAY.

AS THE COLD AXIS OF THE UPPER TROUGH SWINGS ACROSS THE AREA LATE
SUNDAY NIGHT AND MONDAY...THE ATMOSPHERE WILL BECOME MORE UNSTABLE
WHICH WILL INCREASE THE THREAT OF THUNDERSTORMS. IN ADDITION...SNOW
LEVELS WILL LOWER THROUGH THE WEEKEND...AND WILL LIKELY BE DOWN TO
4500 FEET BY SUNDAY NIGHT. THERE IS A CHANCE THAT SNOW COULD FALL AS
LOW AS 4000 FEET MONDAY MORNING AS THE COLDEST AIR ASSOCIATED WITH
THE UPPER LEVEL SYSTEM MOVES ACROSS THE AREA.

IT IS STILL RATHER DIFFICULT TO BE SPECIFIC WITH PRECIPITATION AMOUNTS.
HOWEVER...AT THIS TIME IT APPEARS THAT BETWEEN 0.75 AND 1.5 INCHES
OF RAIN ARE LIKELY AT LOWER ELEVATIONS...WITH 1 TO 3 INCHES OF LIQUID
EQUIVALENT PRECIPITATION IN THE MOUNTAINS. ABOVE THE SNOW LEVEL...SNOW
ACCUMULATIONS COULD BE SIGNIFICANT...ESPECIALLY AT THE RESORT LEVELS.
EXACT SNOW AMOUNTS ARE HIGHLY DEPENDENT ON THE TIMING OF THE
ARRIVAL OF THE COLDER AIR. TRAVEL INTO OR THROUGH THE MOUNTAINS...
ESPECIALLY ON INTERSTATE 5 OVER THE GRAPEVINE MAY BECOME DIFFICULT BY
SUNDAY NIGHT OR MONDAY. WINTER STORM WATCHES AND/OR WARNINGS MAY NEED
TO BE ISSUED FOR THE MOUNTAINS OF SOUTHWESTERN
CALIFORNIA.

ALL RESIDENTS IN SOUTHWESTERN CALIFORNIA ARE URGED TO STAY TUNED TO
NOAA WEATHER RADIO OR THEIR FAVORITE MEDIA OUTLETS FOR THE LATEST
INFORMATION AND UPDATES ON THIS LATE SEASON STORM SYSTEM.

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