FNUS75 KTFX 221528
FWSTFX

SPOT FORECAST FOR ETHEL 30...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
928 AM MDT FRI MAY 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE TO BUILD OVER THE BURN
AREA TODAY. THE AIRMASS WILL REMAIN STABLE AND GENERALLY DRY...THOUGH
SOME HIGH CLOUDS MAY MOVE OVER THE AREA. MINIMUM RELATIVE HUMIDITIES
HOULD DROP INTO THE LOW 20 PERCENT RANGE WITH GENERALLY MODERATE OVERNIGHT
RECOVERY. THE AIRMASS WILL BECOME A BIT MORE UNSTABLE SATURDAY WITH ISOLATED
AFTERNOON THUNDERSTORMS A POSSIBILITY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 4 TO 8 MPH.
RIDGE TOP WIND......MORTHEAST WINDS 12 TO 15 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........EAST AROUND 5 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 3 TO 6 MPH IN THE EVENING
                    BECOMING LIGHT AND VARIABLE AFTER MIDNIGHT.
RIDGE TOP WIND......EAST WINDS 10 TO 14 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........EAST AROUND 5 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS.
CWR.................10 PERCENT.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 3 TO 7 MPH SHIFTING TO THE
                    EAST 5 TO 10 MPH IN THE AFTERNOON.
RIDGE TOP WIND......SOUTHEAST WINDS 12 TO 15 MPH.
MIXING HEIGHT.......7500 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 5 MPH.

$$
FORECASTER...EMANUEL
REQUESTED BY...HELENA RD
TYPE OF REQUEST...PRESCRIBED
.TAG 20090522.ETHEL.01/TFX