Severe Thunderstorm Warning 11, NWS Glasgow, MT

NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
225 PM MDT SUN JUN 10 2001

CU STARTING TO FORM OFF THE FRONT RANGE AND MOVING OUT INTO CENTRAL
MONTANA AS 70+ KT JET PUSHES INTO SOUTHERN ALBERTA. WEAK DEW POINT
FRONT SET UP ALONG THE MISSOURI RIVER ACROSS EASTERN MONTANA WITH
DEW POINTS IN THE 50S SOUTH AND IN THE 40S NORTH. EXPECT THIS FRONT
TO BE A FOCUS FOR CONVECTION MOVING OUT OF THE MOUNTAINS THIS
AFTERNOON AND INTO THIS EVENING. WILL ADD MENTION OF SEVERE STORMS
TO SOUTHERN ZONES AS FRONT PROGGED TO SAG SOUTHWARD OVERNIGHT AS
COLD FRONT PUSHES THROUGH THE STATE. TAIL OF COLD FRONT DROPS INTO
NORTHERN WYOMING LEAVING HIGH PRESSURE OVER STATE ON MONDAY. UPPER
LOW ROTATES INTO PACIFIC NORTHWEST MONDAY NIGHT PUSHING FRONT
NORTHWARD AS A WARM FRONT AND SETTING UP AN OVERRUNNING SITUATION.
MODELS SIMILAR WITH EVOLVING LOW EXCEPT THAT ETA IS WEAKER AND
FURTHER SOUTH THAN AVN. FAVORING THE AVN ATTM BUT BOTH MODELS SPREAD
RAIN INTO SOUTHERN CWA MONDAY NIGHT AND ACROSS ENTIRE CWA TUESDAY.
HEIGHTS AND THICKNESSES LOWERING ALONG WITH CLOUDS AND RAIN TO COOL
TEMPERATURES THROUGH THE PERIOD. EBERT

EXTENDED...LOOKS LIKE A WET WEEK SETTING UP FOR NEMONT. ALL MODELS
IN AGREEMENT WITH PLACING UPR LOW OVER SC MT OR NRN WY ON WED. SFC
LOW DEVLPS UNDER DIVERGENCE ALOFT SOMEWHERE OVER ERN MT OR WRN
DAKOTAS WITH BIG OVER RUNNING PRECIP SHIELD OVER NEMONT...
REMINISCENT OF THE 2 DAY/2 INCH DELUGE OF LAST WEEK. NOT EXPECTING
QUITE AS MUCH PRECIP BUT NOT OUT OF THE QUESTION. UPR LOW TAKING
IT/S TIME MOVING OUT SO SHOWERS REMAIN IN FCST THU WITH NEW S/WAVE
AND SHOWERS FOR FRI AND SAT. SUN LOOKS LIKE THE BEST CHC FOR A DRY
DAY.     WRIGHT

KGGW 051/072 048/066 050/058 050/060 050/066 052/068 047/071
      BTRWWWB  903136/9585432
KGDV 054/074 048/068 048/058 048/061 051/066 050/069 045/071
      BTRWWWB  903136/9585442