FNUS75 KPIH 072219
FWSPIH

SPOT FORECAST FOR CAVE CANYON...SCIDC
NATIONAL WEATHER SERVICE POCATELLO ID
419 PM MDT TUE AUG 7 2012

FORECAST IS BASED ON REQUEST TIME OF 1458 MDT ON AUGUST 07. 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RELATIVELY DRY SOUTHWEST FLOW WAS POSITIONED OVER THE 
FIRE AREA THIS AFTERNOON AS A PACIFIC DISTURBANCE WAS NOTED LIFTING
NORTHEAST TOWARD PORTLAND. MODEST INSTABILITY WAS SUPPORTING CONVECTIVE 
BUILDUPS AND ISOLATED THUNDERSTORMS OVER THE FIRE AREA THIS AFTERNOON.
BY WEDNESDAY...ADDITIONAL MOISTURE IS EXPECTED TO LIFT NORTH THROUGH
NEVADA INTO SOUTHERN IDAHO PROVIDING ADDITIONAL FUEL FOR 
THUNDERSTORM DEVELOPMENT. EXPECT STRONG GUSTY WINDS WITH THUNDERSTORMS
TODAY AND WEDNESDAY. AT THIS TIME...THE BRUNT OF THE THUNDERSTORM 
ACTIVITY IS EXPECTED WEST OF THE FIRE AREA WEDNESDAY AFTERNOON AND A 
RED FLAG WARNING HAS BEEN ISSUED BY THE BOISE OFFICE TO COVER THE 
ACTIVITY. 

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS
                    THIS EVENING. DECREASING CLOUDS OVERNIGHT. 
MIN TEMPERATURE.....59-64 IN THE BASE OF PROTECTED CANYONS
                    67-72 AT MID-SLOPE (5700 MSL). 
MAX HUMIDITY........55-65 PERCENT IN THE BASE OF PROTECTED CANYONS
                    20-30 PERCENT AT MID-SLOPE (5700 MSL). 
WIND (20 FT)........VARIABLE/SOUTHWEST WINDS 6 TO 12 MPH WITH GUSTS 
                    TO 23 MPH. GUSTS TO 45 MPH POSSIBLE NEAR ANY
                    THUNDERSTORMS THIS EVENING. WINDS BECOMING SOUTHEAST
                    5 TO 10 MPH AFTER MIDNIGHT.
CWR.................8 PERCENT. 
MIXING HEIGHT.......FALLING TO AROUND 6000-6500 FT MSL OVERNIGHT. 
MIXING WINDS........SOUTH AROUND 11 MPH. 
HAINES INDEX........5. 
LAL.................2 THIS EVENING...THEN 1 AFTER MIDNIGHT. 

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. 
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN 
                    THE AFTERNOON. 
MAX TEMPERATURE.....88-93. 
MIN HUMIDITY........12-18 PERCENT. 
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH...BECOMING SOUTHWEST 6
                    TO 12 MPH WITH GUSTS TO 24 MPH AFTER 1500 MDT. 
                    WINDS GUSTS TO 45 MPH POSSIBLE NEAR ANY 
                    PASSING THUNDERSTORMS. 
CWR.................11 PERCENT. 
MIXING HEIGHT.......12700-13700 FT AGL. 
MIXING WINDS........SOUTH AROUND 12 MPH. 
HAINES INDEX........6. 
LAL.................1...THEN 2 IN THE AFTERNOON. 

.WEDNESDAY NIGHT...

SKY/WEATHER.........A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...
                    OTHERWISE MOSTLY CLEAR OVERNIGHT.
MIN TEMPERATURE.....62-72. 
MAX HUMIDITY........20-30 PERCENT AT MID-SLOPE. 
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH. 
CWR.................2 PERCENT. 
MIXING HEIGHT.......NEAR 6500 FT MSL. 
MIXING WINDS........SOUTH AROUND 9 MPH. 
HAINES INDEX........5. 
LAL.................2 THEN 1 AFTER MIDNIGHT. 

$$
FORECASTER...HUSTON
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20120807.CAVEC.02/PIH