FNUS75 KBOI 260414
FWSBOI

SPOT FORECAST FOR LEGGIT...USFS
NATIONAL WEATHER SERVICE BOISE ID
1014 PM MDT THU JUL 25 2013

FORECAST IS BASED ON REQUEST TIME OF 2058 MDT ON JULY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SHOWERS AND THUNDERSTORMS FRIDAY AFTERNOON THROUGH SATURDAY...

.DISCUSSION...A STRONG HIGH PRESSURE SYSTEM REMAINS IN POSITION
OVER THE GREAT BASIN AREA ON FRIDAY. ANOTHER SURGE OF MOISTURE WILL
MOVE NORTH INTO IDAHO AROUND THIS SYSTEM - SPURRING ISOLATED
SHOWERS AND THUNDERSTORMS OVER THE BOISE MOUNTAINS AS EARLY AS
FRIDAY AFTERNOON. GUSTY OUTFLOW WINDS WILL BE THE MAIN CONCERN
WITH THESE STORMS. THE THREAT OF SHOWERS AND THUNDERSTORMS WILL
CONTINUE OVERNIGHT AND INTO SATURDAY NIGHT...AS A WEAK COLD FRONT
MOVES EAST ACROSS IDAHO. COOLER SUNDAY...BUT WEST/NORTHWEST WINDS
WILL BE NOTICEABLY STRONGER - WITH GUSTS TO 30 MPH POSSIBLE ON
RIDGETOPS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING...THEN PARTLY CLOUDY
                    WITH ISOLATED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON. THUNDERSTORMS MAY PRODUCE GUSTY
                    WINDS. CHANCE OF PRECIPITATION 20 PERCENT.
MAX TEMPERATURE.....76 TO 83.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND - EYE LEVEL....NORTHWEST 5 TO 7 MPH IN THE MORNING...THEN
                    SOUTHEAST 3 TO 5 MPH IN THE AFTERNOON. HOWEVER...
                    RIDGETOPS WILL LIKELY REMAIN NORTHWEST 5 TO 7
                    MPH THROUGH SUNSET.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WIND......WEST AROUND 12 MPH.
VENTILATION INDEX...900 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
                    AND THUNDERSTORMS FRIDAY NIGHT THROUGH EARLY
                    SATURDAY MORNING. THUNDERSTORMS MAY PRODUCE
                    GUSTY WINDS. CHANCE OF PRECIPITATION 20 PERCENT.
MIN TEMPERATURE.....49 TO 56.
MAX HUMIDITY........42 TO 52 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 3 TO 5 MPH /EXCEPT NORTHWEST 5 TO 7
                    MPH ON RIDGETOPS/ IN THE EVENING...THEN
                    NORTHWEST 5 TO 7 MPH AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS. THUNDERSTORMS MAY PRODUCE
                    GUSTY WINDS. CHANCE OF PRECIPITATION 30
                    PERCENT.
MAX TEMPERATURE.....69 TO 80.
MIN HUMIDITY........20 TO 28 PERCENT.
WIND - EYE LEVEL....NORTHWEST 3 TO 5 MPH...WITH GUSTS UP TO 12 MPH
                    ON RIDGETOPS.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WIND......WEST AROUND 20 MPH.
VENTILATION INDEX...1800 EXCELLENT.

$$
FORECASTER...THIMMESCH
REQUESTED BY...MIKE KRUPSKI IC3 T
TYPE OF REQUEST...WILDFIRE
.TAG 20130725.LEGGI.01/BOI