SPECIAL WEATHER STATEMENT
Issue Date: 457 AM MST FRI DEC 4 2009
Expiration: 500 PM MST FRI DEC 04 2009
...COLD AND DRY WEATHER TONIGHT...INCREASING CHANCE OF PRECIPITATION
EARLY NEXT WEEK...
COLD WEATHER TONIGHT...
A DRY COLD FRONT SWEPT INTO THE REGION THURSDAY EVENING. IN ITS
WAKE A COLDER AIR-MASS WILL LEAD TO FREEZING AND NEAR FREEZING
TEMPERATURES ACROSS THE LOWER DESERTS...INCLUDING SOUTHEAST
CALIFORNIA AND SOUTHWEST AND SOUTH CENTRAL ARIZONA. MINIMUM
TEMPERATURES TONIGHT WILL DROP INTO THE UPPER 20S TO UPPER 30S ON THE
DESERTS. FORECAST LOW TEMPERATURES FOR SATURDAY MORNING INCLUDE 39 AT
PHOENIX...34 AT IMPERIAL...33 AT BLYTHE...32 AT GILA BEND...AND 31
IN COOLIDGE. AT THIS TIME...FORECAST LOW TEMPERATURES WILL REMAIN
JUST SHORT OF FREEZE WARNING CRITERIA.
UNSETTLED WEATHER NEXT WEEK...
A SIGNIFICANT CHANGE IN THE WEATHER PATTERN WILL OCCUR EARLY NEXT
WEEK. STRONG LOW PRESSURE SYSTEMS WILL MOVE INTO THE WESTERN
STATES...WITH CONSIDERABLE PACIFIC MOISTURE DIRECTED INTO THE REGION.
THIS WILL LEAD TO UNSETTLED WEATHER...WITH A GOOD CHANCE OF SHOWERS
...POSSIBLY WITH BRIEF HEAVY RAIN IN SOUTH CENTRAL ARIZONA. AT THIS
TIME IT APPEARS THE BEST CHANCE FOR RAIN WILL OCCUR LATE MONDAY INTO
TUESDAY.
THE WEATHER PATTERN IS EXPECTED TO REMAIN ACTIVE OVER THE WESTERN
UNITED STATES THROUGH THE LATTER PART OF NEXT WEEK. HIGH
TEMPERATURES SHOULD ALSO REMAIN BELOW NORMAL.
STAY UP-TO-DATE ON THE LATEST FORECASTS BY LISTENING TO WEATHER RADIO
ON THE PUBLIC SERVICE BAND. MORE DETAILED INFORMATION IS AVAILABLE
FROM THE NATIONAL WEATHER SERVICE IN PHOENIX ON THE INTERNET AT
WEATHER.GOV/PHOENIX
HAZARDOUS WEATHER OUTLOOK
Issue Date: 549 AM MST THU DEC 3 2009
Expiration: 600 AM MST FRI DEC 04 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST
ARIZONA...EXTREME WEST-CENTRAL ARIZONA...SOUTH-CENTRAL ARIZONA...
SOUTHWEST ARIZONA...WEST-CENTRAL ARIZONA AND EXTREME SOUTHEAST
CALIFORNIA.
.DAY ONE...TODAY AND TONIGHT
NO WEATHER HAZARDS ARE EXPECTED.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THE COMBINATION OF COLDER AND MUCH DRIER AIR...ALONG WITH LIGHT
WIND...WILL CAUSE TEMPERATURES TO FALL TO NEAR OR BELOW FREEZING OVER
MUCH OF THE ARIZONA AND SOUTHEAST CALIFORNIA DESERT FRIDAY NIGHT. AT
THIS TIME LOCAL FREEZE WARNING CRITERIA ARE NOT BEING MET...BUT IT IS
A BORDERLINE SITUATION. IT IS POSSIBLE THAT IF THE AIRMASS ENDS UP
SLIGHTLY COLDER THAN FORECAST...GIVEN THE DRY AIR EXPECTED TO BE IN
PLACE WE MAY YET NEED TO ISSUE A FREEZE WARNING OVER MUCH OF THE
LOWER DESERT FOR FRIDAY NIGHT.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.
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