FNUS75 KTFX 192037
FWSTFX

SPOT FORECAST FOR RED SHALE...LEWIS AND CLARK NF
NATIONAL WEATHER SERVICE GREAT FALLS MT
237 PM MDT MON AUG 19 2013

FORECAST IS BASED ON REQUEST TIME OF 1356 MDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND DRY WITH BREEZY WINDS THROUGH EARLY THIS EVENING...

.DISCUSSION...
A DRY WESTERLY FLOW ALOFT WILL CONTINUE THROUGH TUESDAY WITH THE
AIRMASS REMAINING STABLE. BREEZY WEST WINDS WITH LOCALLY STRONGER
GUSTS OVER RIDGETOPS WILL CONTINUE THROUGH EARLY THIS EVENING WITH
WINDS DIMINISHING AFTER SUNSET AND BECOMING DOWN-DRAINAGE BY
MIDNIGHT ON LOWER SLOPES AND DRAINAGES. SLIGHTLY COOLER
TEMPERATURES AND LESS WINDY BUT CONTINUED DRY CONDITIONS ARE
EXPECTED TUESDAY WITH CHANCES FOR THUNDERSTORMS INCREASING BY
THURSDAY AND FRIDAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....80-85 BELOW 6000 FT...75-80 ABOVE 6000 FT.
MIN HUMIDITY........18-23% BELOW 6000 FT...22-27% ABOVE 6000 FT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
                    MPH.
RIDGE TOP WIND......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
                    MPH.
MIXING HEIGHT.......5000 FT AGL.
MIXING WINDS........WEST AROUND 30 MPH.
LAL.................1.
HAINES INDEX........4.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....33-38 DRAINAGE BOTTOMS...45-50 ELSEWHERE.
MAX HUMIDITY........80-90% DRAINAGE BOTTOMS...50-60% ELSEWHERE.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH...DECREASING TO 6 TO 12 MPH AFTER
                    MIDNIGHT.
RIDGE TOP WIND......WEST WINDS 15 TO 20 MPH WITH GUSTS TO
                    AROUND 30 MPH...DECREASING TO 10 TO 15 MPH AFTER
                    MIDNIGHT.
MIXING HEIGHT.......LOWERING TO LESS THAN 1000 FT AGL.
MIXING WINDS........WEST AROUND 25 MPH.
LAL.................1.
HAINES INDEX........3.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................ZERO PERCENT.
MAX TEMPERATURE.....75-80 BELOW 6000 FT...70-75 ABOVE 6000 FT.
MIN HUMIDITY........20-25% BELOW 6000 FT...25-30% ABOVE 6000 FT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH WITH A FEW AFTERNOON
                    GUSTS AROUND 15 MPH.
RIDGE TOP WIND......WEST 10-15 MPH WITH GUSTS UP TO 20 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........WEST AROUND 20 MPH.
LAL.................1.
HAINES INDEX........4.


$$
FORECASTER...HOENISCH
REQUESTED BY...GREAT FALLS DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 20130819.REDSH.02/TFX