FNUS75 KTFX 051435
FWSTFX

SPOT FORECAST FOR DECKER UNIT 1...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
835 AM MDT TUE OCT 5 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
NUMEROUS SHOWERS ASSOCIATED WITH AN AREA OF INSTABILITY ALOFT WILL
PERSIST OVER THE FIRE AREA THROUGH THIS MORNING INTO EARLY THIS
AFTERNOON. THESE SHOWERS ARE ALSO ALONG THE LEADING EDGE OF AN UPPER
LEVEL TROUGH OF LOW PRESSURE OVER THE NORTHERN ROCKIES. THE TROUGH
WILL MOVE EAST ACROSS MONTANA THIS AFTERNOON...ALLOWING SHOWERS TO
DECREASE. THE SHOWERS WILL KEEP TEMPERATURES SLIGHTLY BELOW NORMAL
TODAY. SKIES WILL GRADUALLY CLEAR OVERNIGHT INTO THE DAY ON
WEDNESDAY AS AN UPPER LEVEL RIDGE OF HIGH PRESSURE BRINGS DRIER AIR
INTO THE AREA IN THE WAKE OF THE UPPER TROUGH. TEMPERATURES TONIGHT
WILL FALL INTO THE UPPER 30S TO LOWER 40S WITH VERY HIGH RELATIVE
HUMIDITIES. ON WEDNESDAY...TEMPERATURES WILL WARM TO SLIGHTLY ABOVE
NORMAL WITH RELATIVE HUMIDITIES REMAINING ABOVE 35 PERCENT.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS THIS
                    MORNING INTO EARLY THIS AFTERNOON...DECREASING
                    TO SCATTERED RAIN SHOWERS AFTER AROUND 1400 MDT.
CWR.................50 PERCENT.
MAX TEMPERATURE.....53-58.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH.
RIDGE TOP WIND......NORTHWEST WINDS AROUND 10 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........NORTHWEST AROUND 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
                    SOUTHEAST AFTER MIDNIGHT.
RIDGE TOP WIND......SOUTHWEST WINDS AROUND 10 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTH AROUND 5 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........39-44 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
                    SOUTHWEST IN THE AFTERNOON.
RIDGE TOP WIND......SOUTHWEST WINDS AROUND 10 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........SOUTH AROUND 10 MPH.

$$
FORECASTER...COULSTON
REQUESTED BY...JESS SECREST
TYPE OF REQUEST...PRESCRIBED
.TAG 20101006.DECKE.01/TFX