FNUS75 KPIH 090726
FWSPIH

SPOT FORECAST FOR SOUTH TOPONTS...EIIFC
NATIONAL WEATHER SERVICE POCATELLO ID
126 AM MDT THU AUG 9 2012

FORECAST IS BASED ON REQUEST TIME OF 0030 MDT ON AUGUST 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SCATTERED THUNDERSTORMS WITH STRONG GUSTY WINDS FRIDAY AFTERNOON...

.DISCUSSION...A SOUTHWEST FLOW ALOFT WAS POSITIONED OVER THE FIRE
AREA EARLY THIS MORNING WITH EMBEDDED MID-LEVEL CLOUDS AND ISOLATED
LIGHT SHOWER ACTIVITY TO THE SOUTH IN THE BEAR LAKE REGION. MODELS
SUGGEST THAT LINGERING MOISTURE COUPLED WITH AFTERNOON HEATING MAY
BE ENOUGH TO FUEL A LATE AFTERNOON THUNDERSTORM BUILDUPS IN THE
GENERAL VICINITY OF THE FIRE. LATE THURSDAY NIGHT AND ESPECIALLY
FRIDAY...A PACIFIC DISTURBANCE IS EXPECTED TO ADVANCE INTO
WESTERN IDAHO HELPING TO INITIATE AND FOCUS THUNDERSTORM ACTIVITY
ACROSS THE SOUTHEAST HIGHLANDS FRIDAY AFTERNOON AND EVENING WITH
LOCALIZED WETTING RAINS UNDER THUNDERSTORM CORES AS WELL AS
STRONG GUSTY WINDS TO 45 MPH IN THE VICINITY OF PASSING THUNDERSTORMS.
A FIRE WEATHER WATCH WILL LIKELY BE ISSUED EARLY THIS MORNING TO
HIGHLIGHT THIS EXPECTED DEVELOPMENT.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....90-95.
MIN HUMIDITY........AROUND 13 PERCENT.
WIND (20 FT)........DOWNSLOPE WINDS 3 TO 5 MPH THROUGH 0800 MDT THEN
                    UPSLOPE/EAST WINDS 5 TO 9 MPH THROUGH APPROXIMATELY
                    1300 MDT. AFTER 1300 MDT...PREVAILING WEST WINDS
                    ALOFT WILL LIKELY BEGIN TO MIX INTO THE FIRE AREA
                    AT 6 TO 12 MPH WITH OCCASIONAL GUSTS TO 20 MPH.
CWR.................8 PERCENT.
HAINES INDEX........5.
LAL.................1...THEN 2 IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING
                    OTHERWISE PARTLY CLOUDY.
MIN TEMPERATURE.....56-61.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........DOWNSLOPE/WEST-NORTHWEST WINDS 3 TO 6 MPH DEVELOPING
                    AFTER 2000 MDT. WINDS INCREASING FROM THE SOUTH
                    ABOVE 6500 FT MSL AFTER MIDNIGHT 10 TO 15 MPH.
CWR.................5 PERCENT.
HAINES INDEX........5.
LAL.................2 IN THE EVENING...THEN 1.

.FRIDAY...

SKY/WEATHER.........INCREASING CLOUDS WITH A CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........14-19 PERCENT.
WIND (20 FT)........INCREASING SOUTH TO SOUTHWEST WINDS THROUGH THE
                    MORNING 5 TO 15 MPH WITH GUSTS TO 22 MPH...SHIFTING
                    TO THE WEST 6 TO 12 MPH WITH GUSTS TO 22 MPH IN THE
                    AFTERNOON. GUSTS TO 45 MPH POSSIBLE NEAR PASSING
                    THUNDERSTORMS.
CWR.................17 PERCENT.
HAINES INDEX........5.
LAL.................3.

$$
FORECASTER...HUSTON
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20120809.SOUTH.01/PIH