FNUS75 KTFX 211110
FWSTFX

SPOT FORECAST FOR PIKUNI PARK...BLACKFEET AGENCY
NATIONAL WEATHER SERVICE GREAT FALLS MT
510 AM MDT WED APR 21 2010

...COLD FRONT PASSAGE LATE THURSDAY AFTERNOON AND EVENING...

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOSTLY SUNNY SKIES WILL ALLOW GOOD HEATING DURING
THE DAY. THE AIRMASS BECOMES SLIGHTLY UNSTABLE DURING THE
AFTERNOON AND AN ISOLATED THUNDERSTORM IS POSSIBLE...ALTHOUGH DRY
CONDITIONS WILL MAKE DEVELOPMENT DIFFICULT. GUSTY AFTERNOON
CONDITIONS SHOULD BE EXPECTED WITH ANY SHOWER OR THUNDERSTORM
DEVELOPMENT. OTHERWISE...LIGHT EAST TO SOUTHEAST WINDS WILL
CONTINUE THROUGH THE DAY. THE AIRMASS BECOMES MORE MOIST THURSDAY
AND WILL ALSO BECOME SLIGHTLY UNSTABLE DURING THE AFTERNOON. A
COLD FRONT WILL MOVE THROUGH THE REGION LATE THURSDAY
AFTERNOON...CURRENT ESTIMATE NEAR 3PM. SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED WITH COLD FRONT PASSAGE. RAIN WILL BE
LIKELY THURSDAY NIGHT...AND BREEZY NORTHWEST WINDS WILL ALSO
CONTINUE THROUGH THE NIGHT.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........EAST WINDS UP TO 10 MPH.
 UPR SLP/RIDGETOP...SOUTHEAST AT 10 TO 15 MPH.
MIXING HEIGHT.......6500 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................5 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
                    SOUTHWEST AFTER MIDNIGHT.
 UPR SLP/RIDGETOP...SOUTHEAST AT 10 TO 15 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTH AROUND 5 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING CLOUDY. CHANCE OF
                    RAIN SHOWERS IN THE AFTERNOON. SCATTERED
                    THUNDERSTORMS DEVELOPING WITH COLD FRONT
                    PASSAGE NEAR 3 PM.
CWR.................30 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH SHIFTING TO THE
                    NORTHWEST AT 15 TO 20 MPH IN THE AFTERNOON.
 UPR SLP/RIDGETOP...SOUTHEAST AT 10 MPH BECOMING NORTHWEST AT
                    20 MPH DURING THE AFTERNOON.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........SOUTH AROUND 5 MPH BECOMING NORTHWEST AT 15
                    20 MPH DURING THE AFTERNOON.

$$
FORECASTER...ZELZER
REQUESTED BY...TYSON RUNNING WOLF  FMO
TYPE OF REQUEST...PRESCRIBED
.TAG 20100421.PIKUN.01/TFX