FNUS75 KTFX 260105
FWSTFX

SPOT FORECAST FOR MACDONALD PASS...HNF
NATIONAL WEATHER SERVICE GREAT FALLS MT
705 PM MDT FRI SEP 25 2009

FORECAST IS BASED ON REQUEST TIME OF 1850 MDT ON SEPTEMBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT FOR GUSTY WEST WINDS AND LOW RELATIVE HUMIDITY...

.DISCUSSION...
DRY AND MILD CONDITIONS WITH MAINLY CLEAR SKIES WILL PERSIST
TONIGHT UNDER A STRONG RIDGE OF HIGH PRESSURE ALOFT. BREEZY WEST-
NORTHWEST WINDS WILL PERSIST THROUGH TONIGHT...ESPECIALLY ACROSS
EXPOSED RIDGETOP LOCATIONS WITH SOME WIND REDUCTION IN LESS
EXPOSED AREAS. OVERNIGHT HUMIDITY RECOVERIES WILL BE
POOR...ESPECIALLY AT EXPOSED HIGHER ELEVATIONS. WINDS WILL
GRADUALLY INCREASE THROUGH THE DAY ON SATURDAY AS THE UPPER LEVEL
RIDGE WEAKENS AND AHEAD OF A COLD FRONT THAT IS EXPECTED TO MOVE
THROUGH THE AREA SATURDAY NIGHT. VERY WARM TEMPERATURES AND LOW
AFTERNOON HUMIDITIES ARE EXPECTED SATURDAY AFTERNOON IN ADDITION
TO THE INCREASING WINDS...CREATING CRITICAL FIRE WEATHER
CONDITIONS SATURDAY AFTERNOON AND EVENING. COOLER
TEMPERATURES...HIGHER RELATIVE HUMIDITIES AND LIGHTER WINDS ARE
EXPECTED ON SUNDAY BEHIND THE COLD FRONT. HOENISCH

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....53-57.
MAX HUMIDITY........42-47 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS 6 TO 12 MPH WITH GUSTS
                    UP TO 18 MPH..
RIDGE TOP WIND......WEST-NORTHWEST WINDS 12 TO 16 MPH WITH GUSTS
                    AROUND 20 MPH.
MIXING HEIGHT.......DECREASING TO LESS THAN 1000 FT AGL.
MIXING WINDS........WEST 10 TO 15 MPH.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........BECOMING VERY WINDY. WEST-NORTHWEST WINDS 10
                    TO 15 MPH...INCREASING TO 15 TO 25 MPH WITH
                    GUSTS TO AROUND 35 MPH IN THE AFTERNOON AND
                    EVENING.
RIDGE TOP WIND......VERY WINDY. WEST-NORTHWEST WINDS 15 TO 20
                    MPH...INCREASING TO 20 TO 30 MPH IN THE
                    AFTERNOON AND EVENING.

$$
FORECASTER...HOENISCH
REQUESTED BY...HDC
TYPE OF REQUEST...WILDFIRE
.TAG 20090925.MACDO.03/TFX