FNUS75 KGGW 211431
FWSGGW

SPOT FORECAST FOR KORSBECK...FWS CMR
NATIONAL WEATHER SERVICE GLASGOW MT
831 AM MDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WESTERN UNITED STATES UPPER RIDGE MOVES FARTHER EAST
TODAY INTO WESTERN AND CENTRAL MONTANA AND BRINGS WARMER AIR WITH IT.
A WEAK SURFACE TROF OVER CENTRAL MONTANA TRIES TO SQUEEZE INTO EASTERN
MONTANA UNDER THE SURFACE HIGH OVER SASKATCHEWAN. THIS IN COMBINATION
WITH THE WARMING TEMPERATURES AND GOOD MIXING WILL YIELD A BREEZY
AFTERNOON ACROSS THE AREA. THE DOWNSLOPING WIND WILL HELP LOWER THE
RELATIVE HUMIDITIES DOWN TO BELOW 20 PERCENT. FAIR TO POOR RH RECOVERY
TONIGHT WITH VERY DRY...WARM...AND WINDY CONDITIONS SLATED FOR WEDNESDAY.

.TODAY...
SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........16-21 PERCENT.
20-FOOT WINDS.......LIGHT AND VARIABLE WINDS LESS THAN 5 MPH THIS
                    MORNING...THEN NORTHWEST 10 TO 15 MPH IN THE AFTERNOON.
CWR.................ZERO.
MIXING HEIGHT.......10300 FT AGL.
MIXING WINDS........NORTHWEST AROUND 18 MPH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........62-67 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 9 MPH UNTIL SUNSET...THEN LIGHT AND
                    VARIABLE THE REST OF THE NIGHT.
CWR.................ZERO.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........WEST AROUND 7 MPH.

$$
FORECASTER...SIMONSEN
REQUESTED BY...CHARLES M  RUSSELL NWR
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.KORSB.01/GGW