SPECIAL WEATHER STATEMENT
Issue Date: 511 PM MST SUN DEC 6 2009
Expiration: 530 AM MST MON DEC 07 2009
|...RAIN IS EXPECTED MONDAY AND MONDAY NIGHT WITH SIGNIFICANT
RAINFALL IN PORTIONS OF SOUTH-CENTRAL ARIZONA...
...FLOODING OF LOW SPOTS AND NORMALLY DRY WASHES AND CREEK BEDS IS
POSSIBLE IN SOUTH-CENTRAL ARIZONA ESPECIALLY NORTH AND EAST OF
PHOENIX LATE MONDAY AND MONDAY NIGHT...
A WET PACIFIC STORM SYSTEM IS EXPECTED TO MOVE EAST ACROSS THE
SOUTHWESTERN UNITED STATES MONDAY AND MONDAY NIGHT. THERE IS A
LIKELIHOOD OF SHOWERS DEVELOPING FROM SOUTHEAST CALIFORNIA TO SOUTH
CENTRAL ARIZONA MONDAY AND MONDAY NIGHT. TOTAL RAINFALL AMOUNTS OF
ONE HALF INCH OR GREATER ARE POSSIBLE IN JOSHUA TREE NATIONAL
PARK...AND FROM LA PAZ COUNTY EAST ACROSS SOUTH-CENTRAL ARIZONA
INCLUDING THE GREATER PHOENIX AREA.
THE MOST SIGNIFICANT RAINFALL IS EXPECTED FROM ABOUT THE GREATER
PHOENIX AREA NORTH AND EASTWARD. CLOSE TO ONE INCH OF RAIN IS
POSSIBLE IN PORTIONS OF THE GREATER PHOENIX AREA...ESPECIALLY THE
NORTH AND EAST PORTIONS. ONE TO TWO INCHES OF RAIN AND ISOLATED
AMOUNTS OVER 2 INCHES ARE POSSIBLE IN THE UPSLOPE AREAS NORTH AND
EAST OF PHOENIX ACROSS NORTHEAST MARICOPA COUNTY...NORTHEAST PINAL
COUNTY AND SOUTHERN GILA COUNTY. SOME FLOODING OF LOW SPOTS AND
NORMALLY DRY WASHES IS EXPECTED AT LEAST IN PORTIONS OF THAT AREA AND
AT LEAST A SMALL STREAM FLOOD ADVISORY WILL LIKELY HAVE TO BE ISSUED.
SHOWERS ARE EXPECTED TO END FROM THE WEST IN SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA INCLUDING EL CENTRO AND YUMA LATE MONDAY NIGHT AND
EARLY TUESDAY MORNING...AND SOUTH-CENTRAL ARIZONA INCLUDING THE
GREATER PHOENIX AREA TUESDAY.
SNOW LEVELS ARE EXPECTED TO GENERALLY BE QUITE HIGH IN OUR AREA...
ABOVE 65 HUNDRED OR 7 THOUSAND FEET WITH THIS STORM SYSTEM. THE SNOW
LEVEL COULD BRIEFLY START OUT AT 45 HUNDRED FEET IN JOSHUA TREE
NATIONAL PARK LATE TONIGHT...BUT THERE IS ONLY A SLIGHT CHANCE OF
SHOWERS THAT EARLY. ALSO...THE SNOW LEVEL IS EXPECTED TO DROP TO NEAR
5 THOUSAND FEET IN THE HIGHER TERRAIN NORTH AND EAST OF PHOENIX
TUESDAY. HOWEVER...THE SHOWERS WILL BE TAPERING OFF AT THAT TIME.
GUSTY WINDS ARE EXPECTED LATE MONDAY AND MONDAY NIGHT...ESPECIALLY IN
SOUTHEAST CALIFORNIA INTO SOUTHWEST ARIZONA AND A WIND ADVISORY MAY
EVENTUALLY HAVE TO BE ISSUED. IT WILL BE COOLER MONDAY AND EVEN
COOLER TUESDAY WITH WELL BELOW AVERAGE TEMPERATURES FOR EARLY
DECEMBER.
STAY UP-TO-DATE ON THIS UPCOMING STORM BY LISTENING TO
WEATHER RADIO ON THE PUBLIC SERVICE BAND. MORE DETAILED INFORMATION
WILL BE AVAILABLE AS THIS WET PACIFIC STORM SYSTEM DEVELOPS.
ADDITIONAL INFORMATION CAN BE FOUND ON THE INTERNET AT
WEATHER.GOV/PHOENIX
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 EAST-CENTRAL
ARIZONA AND SOUTH-CENTRAL ARIZONA.
.DAY ONE...TODAY AND TONIGHT
NO WEATHER HAZARDOUS ARE EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
MONDAY THROUGH TUESDAY MORNING...A STRONG PACIFIC LOW PRESSURE
SYSTEM WILL MOVE INTO THE REGION MONDAY AND MONDAY NIGHT. THE
HEAVIEST RAIN...WITH A CHANCE OF THUNDERSTORMS IS EXPECTED MONDAY
NIGHT. PRELIMINARY RAINFALL AMOUNTS RANGE FROM 1/2 INCH ON THE
DESERTS TO NEARLY 2 INCHES IN THE MOUNTAINS...WITH POSSIBLE LOCAL
FLOODING. THUNDERSTORM HAZARDS INCLUDE WIND GUSTS TO NEAR 40 MPH.
CLEARING IS EXPECTED TUESDAY MORNING.
THURSDAY AND THURSDAY NIGHT...ANOTHER PACIFIC LOW PRESSURE SYSTEM
WITH A CHANCE OF SHOWERS AND BRIEF HEAVY RAIN IS POSSIBLE.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.
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