000 
FXUS65 KTFX 160919
AFDTFX

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
215 AM MST SAT FEB 16 2002

.SHORT TERM...UPPER LEVEL RIDGE AXIS SITS OVER THE ROCKIES WITH A
BIT OF NEGATIVE TILT. LOW PRESSURE OVER THE EASTERN PACIFIC...ONE LOW
OVER ALASKA AND A SECOND APPROACHING NORTHERN CANADA. THIS SOUTHERN
SYSTEM WILL BE MOVING UNDERNEATH THE HIGH PRESSURE. ETA HAS MOVED
TOWARDS THE AVN SOLUTION...MOVING THE LOW FARTHER NORTH AS IT CROSSES
THE ROCKIES.  SYSTEM IS VERY WEAK AND PLACEMENT TO THE NORTH SHOULD
ONLY AFFECT SW MT. THIS WEAK VORT CENTER MOVES INTO SRN ID 00Z MON...
THE MAIN SHORTWAVE WEAKENS CONSIDERABLY BEFORE IT CROSSES THE ROCKIES
00Z TUE.

.EXTENDED...ZONAL FLOW AT THE BEGINNING OF THE EXTENDED PERIOD WHICH
WILL CONTINUE DRY AND WARM CONDITIONS. WEAK RIDGING CONTINUES THRU
00Z THU FOR A WARMING TREND. A SHORTWAVE APPROACHES WESTERN MONTANA
FRIDAY...BUT AFFECT THRU FRIDAY SHOULD BE LIMITED. ZELZER

.CCF NUMBERS
GTF UB 055/032 050/024 042 13000
    EEBEB 020/037 022/041 030/050 024/042 024 -1111000011
CTB UB 055/030 048/020 038 13000
    NEBEB 016/037 020/039 027/046 022/040 022 -1111000011
HLN BE 048/022 046/022 042 130-1
    EEBBB 020/037 022/043 029/051 025/044 025 12111111111
BZN BE 035/015 032/018 030 13011
    EEBBB 017/037 018/041 020/045 020/040 020 32222100011
WEY BE 025/000 025/005 022 13012
    EEBBB 017/037 018/041 020/045 020/040 020 62333200022
DLN BE 040/020 040/020 032 13011
    EEBBB 018/038 018/042 020/045 022/041 022 31022100011
HVR UB 056/024 045/012 040 13000
    EEBBB 020/037 020/040 027/050 022/040 022 -1111000011
LWT UB 050/025 046/022 038 13000
    EEBBB 018/035 019/040 025/047 023/040 023 -2111000011

.TFX...NONE.