FNUS75 KPIH 071720
FWSPIH

SPOT FORECAST FOR WILLIAMS BEAR...EIIFC
NATIONAL WEATHER SERVICE POCATELLO ID
1120 AM MDT THU JUN 7 2012

FORECAST IS BASED ON IGNITION TIME OF 1055 MDT ON JUNE 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...INCREASING WINDS FRIDAY WITH A COLD FRONTAL PASSAGE FRIDAY
NIGHT...

.DISCUSSION...A LOW PRESSURE SYSTEM POSITIONED ALONG THE NORTHWEST
COAST WILL MOVE ONSHORE FRIDAY WITH INCREASING WINDS EXPECTED
ACROSS THE BURN SITE FRIDAY AFTERNOON. AN ASSOCIATED DRY SURFACE
COLD FRONT WILL PUSH INTO THE BURN AREA AROUND MIDNIGHT WITH MUCH
COOLER TEMPERATURES AND A CHANCE OF SHOWERS AND THUNDERSTORMS
EXPECTED SATURDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 66 TO 70.
RH..................MIN 20 TO 23 PERCENT.
WIND (20 FT)........SOUTHWEST 4 TO 10 MPH INCREASING TO 6 TO 12 MPH
                    IN THE AFTERNOON OCCASIONAL GUSTS TO 20 MPH
                    OVER RIDGES.
CWR.................0 PERCENT.
MIXING HEIGHT.......13500 FT MSL.
MIXING WINDS........SOUTH-SOUTHWEST 15 MPH IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 35.
RH..................MAX 75 TO 80 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS BECOMING EAST 5 TO 10 MPH OVERNIGHT.
                    RIDGE TOP WINDS WILL INCREASE FROM THE SOUTH UP
                    TO 25 MPH. A DIFFICULT CALL ON HOW THIS WILL IMPACT
                    THE BURN AREA SINCE THE INVERSION LAYER IS VERY CLOSE
                    TO THE BURN ELEVATION.
CWR.................0 PERCENT.
MIXING HEIGHT.......6500-7000 FT MSL.
MIXING WINDS........EAST TO SOUTH 10 TO 20 MPH OVERNIGHT.

.FRIDAY...

SKY/WEATHER.........INCREASING CLOUDS THROUGH THE AFTERNOON.
TEMPERATURE.........MAX 71 TO 76.
RH..................MIN 19 TO 24 PERCENT.
WIND (20 FT)........WINDS BECOMING SOUTHWEST BY MID-MORNING 10 TO 15 MPH
                    WITH GUSTS TO 30 MPH INCREASING IN THE AFTERNOON
                    15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
CWR.................2 PERCENT.
MIXING HEIGHT.......18000 FT MSL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST AROUND 30 MPH IN THE AFTERNOON.

$$
FORECASTER...HUSTON
REQUESTED BY...ROO PHELPS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120607.WILLI.01/PIH