FNUS75 KTFX 201644
FWSTFX

SPOT FORECAST FOR PIPE LINE...BLACKFEET
NATIONAL WEATHER SERVICE GREAT FALLS MT
1044 AM MDT MON APR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER LEVEL HIGH PRESSURE RIDGE WILL KEEP THE AIRMASS WARM AND
STABLE. WEST TO SOUTHWEST WINDS 20 TO 25 MPH WILL CONTINUE
THROUGH THE AFTERNOON. AFTERNOON GUSTS OF 40 TO 45 MPH ARE
EXPECTED AND WILL DECREASE QUICKLY DURING THE EVENING. GUSTY WEST
WINDS WILL DEVELOP AGAIN TUESDAY.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
TEMPERATURE.........55 TO 60 IGNITION...MAX 65.
RH..................35 TO 40 PERCENT AT IGNITION...MIN 25 TO 30 PERCENT.
WIND (20 FT)........WINDS WEST AT 20 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 20 TO 25 MPH. GUSTS UP TO 30 MPH
                    INCREASING TO 45 MPH IN THE AFTERNOON.
RIDGE TOP WIND......NORTHWEST AT 40 MPH.
MIXING HEIGHT.......5000 FT AGL AT IGNITION INCREASING TO 10000 FT AGL
MIXING WINDS........WEST AROUND 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
TEMPERATURE.........MIN 47.
RH..................MAX 61 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
                    EARLY IN THE EVENING.
RIDGE TOP WIND......WEST AT 35 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........WEST AROUND 20 MPH.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................5 PERCENT.
TEMPERATURE.........MAX 66.
RH..................MIN 21 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
                    30 MPH.
RIDGE TOP WIND......WEST AT 25 MPH.
MIXING HEIGHT.......9900 FT AGL.
MIXING WINDS........WEST AROUND 30 MPH.

$$
FORECASTER...ZELZER
REQUESTED BY...TYSON RUNNINGWOLF
TYPE OF REQUEST...PRESCRIBED
.TAG 20090420.PIPEL.02/TFX