FNUS75 KTFX 202025
FWSTFX

SPOT FORECAST FOR RED SHALE...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
225 PM MDT TUE AUG 20 2013

FORECAST IS BASED ON REQUEST TIME OF 1408 MDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL MAINTAIN DRY CONDITIONS WITH GENERALLY CLEAR SKIES
OVER THE REGION THROUGH MOST OF THE DAY ON WEDNESDAY...EXCEPT FOR
AREAS OF SMOKE FROM ACTIVE FIRES IN WESTERN MT. WINDS WILL REMAIN
SOMEWHAT BREEZY FROM THE WEST THROUGH EARLY THIS EVENING OVER EXPOSED
RIDGETOPS WHILE LOWER SLOPES AND DRAINAGES WILL SEE LIGHT SLOPE-DRIVEN
WINDS DEVELOP AFTER SUNSET. HUMIDITY RECOVERY TONIGHT WILL LIKELY
ONLY BE MODERATE WITH A THERMAL BELT EXPECTED AT MID-UPPER SLOPES
WHILE LOWER ELEVATION DRAINAGE BOTTOMS SEE GOOD RECOVERY AND
COOLER TEMPERATURES. A SOUTHWEST FLOW ALOFT DEVELOPS LATE
WEDNESDAY AND CONTINUES THROUGH THE REMAINDER OF THE WEEK. THIS
WILL BRING A SLIGHT CHANCE FOR THUNDERSTORMS TO THE AREA BY
THURSDAY WITH BEST CHANCE FOR SHOWERS AND THUNDERSTORMS ON FRIDAY.
LITTLE CHANGE IN THE AIRMASS WILL OCCUR WEDNESDAY WITH SOME
WARMING EXPECTED THURSDAY THROUGH THE UPCOMING WEEKEND. HOENISCH

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 12 MPH WITH GUSTS TO 20 MPH.
RIDGE TOP WIND......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........WEST AROUND 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....36-41 DRAINAGE BOTTOMS...50 TO 55 MID-SLOPES
                    AND RIDGES.
MAX HUMIDITY........80-90 PERCENT DRAINAGE BOTTOMS...50-60 PERCENT
                    MID-SLOPES AND RIDGES.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH...BECOMING
                    DOWN-SLOPE/DOWN-DRAINAGE 3 TO 5 MPH AFTER SUNSET.
RIDGE TOP WIND......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 20 MPH IN
                    THE EVENING...DECREASING TO AROUND 10 MPH.
MIXING HEIGHT.......LOWERING TO LESS THAN 1000 FT AGL.
MIXING WINDS........WEST 10 TO 15 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY WITH SCATTERED AFTERNOON CUMULUS.
CWR.................0 PERCENT.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING UP-SLOPE/UP-DRAINAGE
                    3 TO 6 MPH IN THE AFTERNOON.
RIDGE TOP WIND......WEST WINDS AROUND 10 MPH...BECOMING SOUTHWEST
                    10 TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 10 MPH.

$$
FORECASTER...HOENISCH
REQUESTED BY...GREAT FALLS DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 20130820.REDSH.02/TFX