FNUS75 KTFX 081426
FWSTFX

SPOT FORECAST FOR NEVADA MOUNTAIN...HELENA NF
NATIONAL WEATHER SERVICE GREAT FALLS MT
826 AM MDT THU SEP 8 2011

FORECAST IS BASED ON REQUEST TIME OF 0801 MDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE ALOFT WILL KEEP THE FIRE AREA DRY WITH WELL ABOVE
NORMAL TEMPERATURES THROUGH AT LEAST FRIDAY. WEAK INSTABILITY WILL
DEVELOP THIS AFTERNOON AND EVENING...BRINGING A SLIGHT CHANCE OF
THUNDERSTORMS TO THE AREA. GUSTY ERRATIC WINDS FROM ANY STORMS THAT
DO DEVELOP WILL BE THE MAIN THREAT. A WEAK SURFACE PRESSURE GRADIENT
WILL KEEP WINDS MAINLY TERRAIN-DRIVEN TODAY AND TONIGHT...BUT THEY
WILL GENERALLY BECOME MORE EASTERLY ON FRIDAY. RELATIVE HUMIDITIES
WILL FALL TO NEAR 20 PERCENT DURING THE AFTERNOON HOURS...WITH POOR
OVERNIGHT RECOVERY.  COULSTON


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE THROUGH THE DAY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS SHIFTING TO THE SOUTHEAST 5 TO 10
                    MPH IN THE AFTERNOON.
RIDGE TOP WIND......NORTHEAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........EAST WINDS 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE EVENING. AREAS OF SMOKE
                    THROUGH THE NIGHT.
CWR.................10 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........43-48 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 4 TO 7 MPH IN THE EVENING
                    BECOMING LIGHT.
RIDGE TOP WIND......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........NORTHEAST WINDS 5 TO 10 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY. AREAS OF SMOKE.
CWR.................0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT WINDS IN THE MORNING BECOMING NORTHEAST
                    5 TO 10 MPH.
RIDGE TOP WIND......EAST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......8500 FT AGL.
MIXING WINDS........EAST WINDS 5 TO 10 MPH.

$$
FORECASTER...COULSTON
REQUESTED BY...DEANNA THOMPSON
TYPE OF REQUEST...WILDFIRE
.TAG 20110908.NEVAD.01/TFX