615 
FXUS65 KTFX 290330
AFDTFX

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
830 PM MST FRI MAR 28 2003

.SHORT TERM...A SHORT WAVE MOVING ALONG THE CANADIAN BORDER COMBINED 
WITH DAYTIME HEATING CAUSED SOME SHOWERS TO DEVELOP OVER NORTH 
CENTRAL MONTANA LATE THIS AFTERNOON. THE SHOWERS HAVE PROGRESSED 
INTO THE FAR EASTERN ZONES THIS EVENING AND WILL MOVE EAST OF THE 
FORECAST AREA OR DISSIPATE WITH IN THE NEXT COUPLE OF HOURS. WILL 
UPDATE THE ZONES TO REMOVE THE MENTION OF PRECIPITATION FOR ALL THE 
ZONES EXCEPT FOR THE HAVRE AND LEWISTOWN AREAS. THE REST OF THE 
FORECAST APPEARS ON TRACK. MEIER

.EXTENDED...THE UPPER LEVEL RIDGE AXIS MOVES EAST OF THE ZONES ON
TUESDAY AND THE FLOW ALOFT BEGINS TO SWITCH TO THE SOUTHWEST. THIS
ALLOWS MOISTURE TO INCREASE OVER THE ZONES...AND BEGINS A TREND OF
COOLER TEMPS WITH AN UNSETTLED AIR MASS. A LOW PRESSURE CENTER OVER
THE EASTERN PACIFIC MOVES OVER THE PACIFIC NORTHWEST ON WEDNESDAY.
SEVERAL DISTURBANCES ASSOCIATED WITH THIS SYSTEM WILL MOVE ACROSS
THE ZONES AND KEEP A CHANCE OF PRECIP IN THE FORECAST WEDNESDAY AND
THURSDAY. THE UPPER LEVEL TROF MOVES OVERHEAD ON FRIDAY...COOL
CONDITIONS WILL CONTINUE WITH CHANCE OF PRECIP...AND THE POSSIBILITY
OF THUNDER OVER THE SOUTHWEST. ZELZER

.CCF NUMBERS
GTF EE 025/054 037/063 035 05000
    NEEEC 062/036 057/029 047/026 043/019 040 00003333334
CTB EN 023/051 037/060 033 05000
    NEEEC 058/031 048/024 040/019 032/016 036 00003333335
HLN EE 024/053 036/060 036 05000
    EEEEC 058/035 052/030 050/028 043/023 043 000-3333335
BZN EE 020/051 030/059 031 05000
    EEECC 059/031 053/027 055/027 046/019 042 00023333335
WEY EE 002/038 017/045 023 05202
    CEECO 047/024 040/022 040/023 032/019 034 22235555555
DLN EE 022/052 033/057 032 05000
    EEECC 057/030 051/028 052/029 046/021 041 00023333335
HVR EE 018/054 032/063 034 05000
    EEEEE 063/035 055/027 056/024 045/020 042 00003333334
LWT EE 019/051 032/060 033 05000
    EEEEC 063/035 052/032 052/026 042/021 038 00003333334


.TFX...NONE.

$$