000 
FXUS65 KTFX 022156
AFDTFX

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
245 PM MST TUE DEC 2 2003

.DISCUSSION...

TONIGHT...CLOUDS MOVING IN FROM WEST AS NEXT PACIFIC SYSTEM
APPROACHES THE CWA. PRESSURE GRADIENT BEGINS TO TIGHTEN SURFACE AND
ALOFT TONIGHT INCREASING THE WIND ALONG THE ROCKY MOUNTAIN FRONT.
APPEARS WINDS TO STAY BELOW WARNING CRITERIA... AND HAVE DROPPED HIGH
WIND WATCH FOR ROCKY MOUNTAIN FRONT.

WEDNESDAY...PACIFIC DISTURBANCE SWEEPS A COLD FRONT ACROSS NORTHWEST
CWA DURING THE MORNING...AND ACROSS THE EASTERN CWA TOMORROW
AFTERNOON. MAY TAKE INTO THE EVENING HOURS FOR COLD AIR TO FILTER
INTO SOUTHWEST. WINDS CONTINUE TO INCREASE WEDNESDAY...BUT AGAIN
APPEARS SPEEDS WILL STAY BELOW WARNING CRITERIA AND HAVE DROPPED HIGH
WIND WATCH FOR ROCKY MOUNTAIN FRONT FOR WEDNESDAY. MOISTURE WITH THIS
DISTURBANCE IS LIMITED AND PRECIPITATION EXPECTED TO REMAIN OVER THE
MOUNTAINS. TEMPERATURES TO FALL DURING THE AFTERNOON. WINDS WILL
DECREASE WEDNESDAY NIGHT AS HIGH PRESSURE BEGINS TO BUILD OVER THE
AREA....AND WITH PARTLY CLOUDY SKIES EXPECTED...TEMPERATURES WILL
FALL INTO THE TEENS. TEMPERATURES TO REMAIN COOL THURSDAY WITH
LESS WIND.

FRIDAY THROUGH TUESDAY...PROGRESSIVE PATTERN TO CONTINUE THROUGH
PERIOD. POSITIVE TILT RIDGE TO BRING A WARMUP FRIDAY WITH DOWNSLOPE
WINDS RETURNING TO PLAINS SATURDAY AHEAD OF NEXT PACIFIC STORM.
SHORT WAVE MOVES THROUGH CWA SATURDAY NIGHT WITH PRECIPITATION
RELEGATED TO MOUNTAINS AND THE ROCKY MOUNTAIN FRONT. COOLER SUNDAY
BEHIND THE SYSTEM. FLOW TURNS MORE NORTHWESTERLY ALOFT SUNDAY NIGHT
AND MONDAY WHERE WE SEE COLDER AIR PENETRATING FROM CANADA. LOWERED
TEMPERATURES FOR THIS PERIOD. RIDGE TO TRY BUILDING FROM SOUTHWEST
MONDAY NIGHT AND TUESDAY AND CWA WILL BE CAUGHT BETWEEN COLDER AIR
TO THE NORTHEAST AND WARMER AIR TO THE SOUTHWEST. COULD BE QUITE THE
TEMPERATURE CONTRAST ACROSS THE CWA TUESDAY. DITTMANN

.CCF NUMBERS
GTF NB 038/042 013/030 029 03021
    BEBBB 045/033 045/021 036/018 033/023 028 00000000000
CTB NB 036/040 013/029 026 03-23
    BNBBB 042/030 043/019 033/014 032/019 027 00--0000000
HLN EB 030/046 011/031 024 03121
    BEBBB 046/029 044/024 038/020 036/023 032 00031000-00
BZN EB 025/042 010/028 020 03124
    BEEBB 047/024 042/024 037/020 037/022 032 00031000-00
WEY EB 021/039 006/022 016 03445
    EEEBB 034/025 035/019 034/016 033/020 026 00244333100
DLN EB 029/044 010/032 022 03243
    EEEBB 043/026 043/023 036/020 035/021 030 00133332222
HVR NB 028/043 014/030 015 03022
    BBBBB 041/027 042/021 037/017 032/016 027 00000000000
LWT EB 031/044 012/030 020 03023
    BBBBB 041/025 043/021 035/018 035/019 033 00000000000

.TFX...NONE.

$$