HAZARDOUS WEATHER OUTLOOK
Issue Date: 456 AM MST SUN DEC 6 2009
Expiration: 500 AM MST MON DEC 07 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST
ARIZONA...EXTREME WEST-CENTRAL ARIZONA...SOUTHWEST ARIZONA...WEST-
CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST
CALIFORNIA.
.DAY ONE...TODAY AND TONIGHT
NO WEATHER HAZARDOUS ARE EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
MONDAY AND MONDAY EVENING...
A STRONG PACIFIC LOW PRESSURE SYSTEM WILL MOVE INTO THE REGION MONDAY
AND MONDAY EVENING. THE HEAVIEST RAIN IS EXPECTED MONDAY AFTERNOON.
PRELIMINARY RAINFALL AMOUNTS RANGE FROM ONE TENTH OF AN INCH ON THE
DESERTS TO AROUND 3/4 OF AN INCH IN THE MOUNTAINS NEAR JOSHUA TREE
NATIONAL PARK. SOME LOCAL FLOODING IS POSSIBLE.
THURSDAY...
ANOTHER PACIFIC STORM WILL MOVE INTO THE AREA THURSDAY WITH A CHANCE
OF SHOWERS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT
Issue Date: 450 AM MST SUN DEC 6 2009
Expiration: 500 PM MST SUN DEC 06 2009
...SIGNIFICANT RAINFALL EXPECTED OVER PORTIONS OF SOUTH-CENTRAL
ARIZONA LATE MONDAY AND MONDAY NIGHT...
A WET PACIFIC STORM SYSTEM IS EXPECTED TO MOVE ACROSS THE REGION
MONDAY AND MONDAY NIGHT. A GOOD CHANCE OF SHOWERS WILL DEVELOP OVER
SOUTHEAST CALIFORNIA AND THE COLORADO RIVER VALLEY MONDAY
AFTERNOON...THEN SPREAD INTO SOUTH CENTRAL ARIZONA INCLUDING PHOENIX
BY MONDAY EVENING.
RAINFALL AMOUNTS IN SOUTHEAST CALIFORNIA AND THE COLORADO RIVER
VALLEY COULD RANGE FROM ABOUT A TENTH OF AN INCH ON THE DESERTS...
TO ABOUT 1/2 INCH IN THE MOUNTAINS OF JOSHUA TREE NATIONAL PARK.
HOWEVER...THE MOST SIGNIFICANT RAINFALL IS EXPECTED IN THE UP-SLOPE
AREAS OF SOUTH-CENTRAL ARIZONA...GENERALLY NORTH THROUGH EAST OF
PHOENIX. RAINFALL AMOUNTS OF 1 TO 2 INCHES...AND ISOLATED AMOUNTS
OVER 2 INCHES ARE POSSIBLE FROM WICKENBURG...TO NEAR CAREFREE
CAVE CREEK...TO THE MOUNTAINS NEAR GLOBE MIAMI. SOME FLOODING OF LOW
SPOTS AND NORMALLY DRY WASHES IS POSSIBLE.
SHOWERS ARE EXPECTED TO END ABRUPTLY IN SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA MONDAY EVENING...WITH CLEARING IN SOUTH CENTRAL
ARIZONA TUESDAY MORNING.
SNOW LEVELS ARE EXPECTED TO BE QUITE HIGH...ABOVE 6000 FEET.
STAY UP-TO-DATE ON THIS UPCOMING STORM BY LISTENING TO WEATHER RADIO
ON THE PUBLIC SERVICE BAND...OR ON THE INTERNET AT WEATHER.GOV/PHOENIX
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