FNUS75 KTFX 201925
FWSTFX

SPOT FORECAST FOR FORD FAIRVIEW RX...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
125 PM MDT TUE APR 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1310 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN AREA OF LOW PRESSURE TRACKING INTO THE GREAT BASIN TONIGHT
THROUGH WEDNESDAY AND HIGH PRESSURE OVER EASTERN MONTANA WILL
MAINTAIN AN EASTERLY FLOW ACROSS THE NORTHERN ROCKIES THROUGH
WEDNESDAY. THE AIRMASS IS BECOMING SLIGHTLY UNSTABLE THIS AFTERNOON
WHICH WILL ALLOW FOR THE DEVELOPMENT OF SOME CUMULUS CLOUDS
THROUGH EARLY THIS EVENING...OTHERWISE SKIES WILL BE MOSTLY CLEAR.
WINDS WILL BE GENERALLY LIGHT AND DRIVEN BY THE TERRAIN AND SLOPE
HEATING AT LOWER TO MID SLOPES WITH AN EASTERLY FLOW ACROSS THE
RIDGETOPS. LOCALIZED GUSTS TO NEAR 20 MPH MAY OCCUR ON EXPOSED
RIDGETOPS THROUGH WEDNESDAY WITH MUCH LIGHTER WINDS AT LOWER
ELEVATIONS. SIMILAR CONDITIONS ARE EXPECTED THROUGH MOST OF THE
DAY WEDNESDAY WITH AN SLIGHT INCREASE IN MOISTURE AND INSTABILITY
BRINGING THE POSSIBILITY OF AN ISOLATED THUNDERSTORM IN THE LATE
AFTERNOON AND EVENING. HOENISCH

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY WITH A FEW CUMULUS AND THIN HIGH
                    CLOUDS DEVELOPING BY EVENING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3-6 MPH.
 UPR SLP/RIDGETOP...EAST WINDS 6-12 MPH WITH GUSTS TO 18 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR WITH A FEW CUMULUS IN THE EVENING.
CWR.................5 PERCENT.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........BECOMING DOWNSLOPE/DOWN-VALLEY 3-6 MPH AFTER
                    SUNSET.
 UPR SLP/RIDGETOP...EAST WINDS 10-15 MPH WITH GUSTS AROUND 20 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY THROUGH EARLY AFTERNOON WITH
                    CUMULUS BUILDING AND AN ISOLATED THUNDERSTORM
                    POSSIBLE LATE IN THE AFTERNOON AND EVENING.
CWR.................10 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3-6 MPH.
 UPR SLP/RIDGETOP...EAST 6-12 MPH WITH GUSTS TO 18 MPH.

$$
FORECASTER...HOENISCH
REQUESTED BY...KEVIN TVEIDT
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.FORDF.01/TFX