190 
FXUS65 KTFX 180824
AFDTFX

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
225 AM MDT SUN AUG 18 2002

.SHORT TERM...UNEXPECTED SHOWERS MOVING ACROSS NORTHERN HALF OF CWA
THIS MORNING. THIS RAIN IS FORMING ALONG A COLD FRONT...WITH
NORTHWEST WINDS BRIEFLY GUSTING TO 40-50 MPH UPON ITS PASSAGE.
CURRENT SATELLITE IMAGES AND MODEL SOUNDINGS INDICATING THAT SKIES
WILL CLEAR OUT RAPIDLY AFTER SHOWERS VACATE THE AREA. WILL CARRY
ISOLATED WORDING IN EASTERN ZONES THIS MORNING. SHOWERS WILL BE
OUT OF CWA BY 8 AM. UNLESS FUTURE SURPRISES ARE IN STORE...AREA WILL
RETURN TO A BENIGN MID-SUMMER PATTERN WITH FAIR SKIES...SEASONAL
TEMPERATURES....AND LIGHT WINDS. AFTER SOME WEAK RIDGING ON MONDAY...
A TROUGH CARVES OUT A HOME OVER THE WESTERN US ON TUESDAY. THIS
CREATES SOUTHWEST FLOW OVER THE SOUTHERN ZONES...THUS WILL INTRODUCE
A CHANCE OF AFTERNOON THUNDERSTORMS FOR THAT AREA ON TUESDAY.

.EXTENDED...TROUGH WILL REMAIN TO THE WEST OF CWA THROUGH SATURDAY.
THIS KEEPS SOUTHWEST FLOW OVER THE SOUTHERN ZONES...WHICH WILL
PROGRESSIVELY WEAKEN AS UPPER HIGH OVER CENTRAL US STRENGTHENS.
RESULT IS A MAINLY DRY FORECAST WITH GRADUAL WARMING. POMEROY

.CCF NUMBERS
GTF UB 077/046 082/048 082 19000
    BEBUU 046/080 048/080 050/082 050/085 050 00212211111
CTB UB 075/044 080/046 080 19000
    BEBUU 045/076 042/078 046/080 048/083 048 00212211111
HLN UB 080/044 084/051 083 19000
    BEBBB 050/080 047/082 050/084 050/088 050 02312222211
BZN BB 082/040 084/046 082 19000
    BEBBB 042/078 044/082 044/084 044/086 044 02312222211
WEY BB 076/035 078/037 077 19000
    BBBBB 038/072 039/075 039/075 040/078 040 02322222211
DLN UB 080/043 080/047 080 19000
    BBBBB 044/078 045/082 045/085 047/086 047 02311111111
HVR UB 076/046 083/050 083 19200
    BEBBU 047/080 046/081 048/085 050/088 050 00211111111
LWT UB 073/045 080/048 081 19200
    BEBBU 046/078 044/080 047/082 050/085 050 00211111111=

.TFX...NONE.