FXUS65 KTWC 010340
AFDTWC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
840 PM MST MON NOV 30 2009

.SYNOPSIS...THE LOW PRESSURE SYSTEM TRACKING OVER NORTHERN MEXICO 
WILL EXIT THE REGION TUESDAY...WITH SKIES CLEARING FROM WEST TO 
EAST. A FEW SHOWERS ARE STILL POSSIBLE TONIGHT MAINLY ACROSS FAR 
SOUTHEAST ARIZONA. OTHERWISE...DRY CONDITIONS CAN BE ANTICIPATED FOR 
THE REST OF THE WEEK WITH TEMPERATURES AT OR SLIGHTLY BELOW NORMAL.

&&

.DISCUSSION...LATEST WV/IR SATELLITE IMAGERY DEPICT THE UPPER LEVEL 
LOW ABOUT 50 MILES SOUTH OF KDUG THIS EVENING. SOUTHEAST ARIZONA IS 
STILL SEEING CONSIDERABLE CLOUDINESS MAINLY FROM CENTRAL PIMA COUNTY 
EASTWARD. LATEST KEMX RADAR IMAGERY IN COMBINATION WITH SURFACE 
OBSERVATIONS INDICATE THAT THE PRECIPITATION HAS GENERALLY ENDED 
ACROSS COCHISE COUNTY WHERE A WINTER WEATHER ADVISORY EXPIRED AT 6 
PM. GIVEN THE POSITION OF THE UPPER LOW AND MOISTURE WRAPPING AROUND 
THE LOW...CAN'T RULE OUT A FEW MORE SHOWERS MAINLY ACROSS EASTERN 
COCHISE COUNTY OVERNIGHT. ANY ADDITIONAL SNOW WILL BE VERY LIMITED 
WITH LESS THAN AN INCH ABOVE 5500 FEET IN COCHISE COUNTY. AS THE 
PRECIPITATION ENDS...THE OTHER CONCERN FOR THE OVERNIGHT HOURS INTO 
THE EARLY TUESDAY MORNING WILL BE PATCHY FROST MAINLY SOUTH AND EAST 
OF TUCSON. 

OTHERWISE...CLEARING WILL OCCUR FROM WEST TO EAST TUESDAY MORNING AS 
RIDGING GRADUALLY BUILDS INTO THE AREA FROM THE WEST WITH 
TEMPERATURES BELOW NORMAL THE REMAINDER OF THIS WEEK. FORECAST 
PACKAGE LOOKS IN GOOD SHAPE AT THIS TIME WITH NO PLANNED UPDATES.

&&

.AVIATION...AS AN UPPER LEVEL LOW GRADUALLY MOVES AWAY FROM THE AREA 
THROUGH TUESDAY...SCT-BKN CLOUDS AT 3-6K FT AGL WITH MTN TOPS 
OCCASIONALLY OBSCURED WILL CONTINUE MAINLY SOUTH AND EAST OF KTUS 
THROUGH ABOUT 12Z. THEREAFTER...EXPECT SKIES TO BECOME MAINLY CLEAR 
AREAWIDE BY TUESDAY AFTERNOON. WINDS GENERALLY EAST TO SOUTHEAST 
LESS THAN 10 KTS BECOME WEST TO NORTHWEST AROUND 10 KTS TUESDAY 
AFTERNOON. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...NO FIRE WEATHER CONCERNS AT THIS TIME.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE

$$

WEATHER.GOV/TUCSON