FNUS75 KTFX 251643
FWSTFX

SPOT FORECAST FOR DAVIS  5...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
1043 AM MDT WED AUG 25 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...

.DISCUSSION...

AN UPPER LEVEL HIGH PRESSURE RIDGE WILL KEEP THE AIRMASS DRY AND
STABLE TODAY. AFTERNOON HEATING WILL CAUSE WINDS ALOFT TO MIX
DOWN...SOUTHWEST SURFACE WINDS WILL GUST 20 TO 25 MPH BY LATE
AFTERNOON. DRY CONDITIONS WILL CONTINUE AND RELATIVE HUMIDITIES
WILL DROP TO NEAR 20 PERCENT DURING THE AFTERNOON. AN UPPER LEVEL
TROF TO THE WEST WILL BE MOVING OVER THE WEST COAST BY LATE
THURSDAY. WINDS ALOFT WILL GRADUALLY INCREASE AND BECOME QUITE
STRONG BY THURSDAY...RIDGETOP WINDS TODAY WILL BE 15 TO 20 MPH
BUT INCREASE BY LATE THURSDAY TO 30 TO 35 MPH.


.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH WITH AFTERNOON
                    GUSTS 20 TO 25 MPH.
RIDGE TOP WIND......WEST AT 15 TO 20 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........37-42 PERCENT.
WIND (20 FT)........GUSTY SOUTHWEST WINDS 15 TO 20 MPH DECREASING
                    TO 5 TO 10 MPH DURING THE EVENING.
RIDGE TOP WIND......SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH INCREASING TO
                    AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH IN
                    THE AFTERNOON.
RIDGE TOP WIND......SOUTHWEST AROUND 30 MPH.
MIXING HEIGHT.......12000 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 25 MPH.

$$
FORECASTER...ZELZER
REQUESTED BY...JAY LINDGREN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100825.DAVIS.02/TFX