FNUS75 KPIH 191656
FWSPIH

SPOT FORECAST FOR S BIG HOLES  RED CREEK UNIT...FS-CTF
NATIONAL WEATHER SERVICE POCATELLO ID
1056 AM MDT SUN SEP 19 2010

FORECAST IS BASED ON IGNITION TIME OF 1040 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING...

.DISCUSSION...AN INCOMING LOW PRESSURE IS INCREASING THE WIND TODAY
WHILE MINIMUM HUMIDITY STAYS VERY LOW.  RED FLAG CONDITIONS ARE
EXPECTED FROM THE MID-AFTERNOON THROUGH EARLY THIS EVENING.  THE LOW
WILL ACTUALLY BE OVER EASTERN IDAHO LATE TONIGHT INTO MONDAY
MORNING.  WIND SHOULD ACTUALLY BE STRONGER, BUT AFTERNOON HUMIDITY
WILL BE WAY UP AND NO RED FLAG IS EXPECTED FOR MONDAY WITH SHOWERS
AND POSSIBLE ISOLATED THUNDERSTORMS.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 78.
RH..................MIN 9 PERCENT.
WIND (20 FT)........MIDSLOPE/VALLEY...SOUTHEAST 2 TO 8 MPH GUSTS TO
                     14 MPH, BY 1200 BECOMING SOUTH 10 TO 18 MPH
                     GUSTS TO 34 MPH. BY 1500, WIND BECOMING
                     SOUTHWEST 14 TO 22 MPH GUSTS TO 38 MPH.
                    RIDGE...SOUTH 8 TO 14 MPH GUSTS TO 26 MPH, BY
                     1200 BECOMING SOUTHWEST 14 TO 22 MPH GUSTS TO
                     42 MPH.
MIXING HEIGHT.......6800 TO 8200 FT AGL.
MIXING WINDS........SOUTHWEST 30 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........CLEAR, BY 0300 BECOMING PARTLY CLOUDY.
TEMPERATURE.........MIN 43.
RH..................MAX 42 PERCENT.
WIND (20 FT)........MIDSLOPE/VALLEY...SOUTHWEST 10 TO 16 MPH GUSTS
                     TO 30 MPH, BY 2000 BECOMING SOUTH 4 TO 12 MPH
                     GUSTS TO 22 MPH. GUSTS ENDING AROUND MIDNIGHT.
                    RIDGE...SOUTHWEST 14 TO 22 MPH GUSTS TO 42 MPH,
                     BY 2200 BECOMING 6 TO 14 MPH GUSTS TO 26 MPH.
                     GUSTS ENDING BY 0200.
MIXING HEIGHT.......TOP OF INVERSION AT 7600 FT ELEVATION.
MIXING WINDS........SOUTHWEST 19 MPH.
HAINES INDEX........5.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY, BY NOON BECOMING PARTLY CLOUDY.
                     A CHANCE OF SHOWERS.
TEMPERATURE.........MAX 58.
RH..................MIN 30 PERCENT.
WIND (20 FT)........MIDSLOPE/VALLEY SOUTHWEST 4 TO 12 MPH GUSTS TO
                     22 MPH, BY 0900 BECOMING SOUTHWEST 4 TO 14 MPH
                     GUSTS TO 26 MPH.  BY 1600 WIND BECOMING
                     SOUTHWEST 4 TO 10 MPH GUSTS TO 18 MPH.
MIXING HEIGHT.......5800 TO 7200 FT AGL.
MIXING WINDS........SOUTHWEST 24 MPH.
HAINES INDEX........3.

$$
FORECASTER...MESSICK
REQUESTED BY...FEMO
TYPE OF REQUEST...PRESCRIBED
.TAG 20100919.SBIGH.01/PIH