FNUS75 KBOI 052207
FWSBOI

SPOT FORECAST FOR SHEEP FIRE...USFS
NATIONAL WEATHER SERVICE BOISE ID
407 PM MDT WED AUG 5 2009

FORECAST IS BASED ON REQUEST TIME OF 1529 MDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL NOON MDT THURSDAY FOR SCATTERED
THUNDERSTORMS AND LIGHTNING...

.DISCUSSION...AN UPPER LEVEL LOW NEAR THE CALIFORNIA COAST IS BRINGING
MOIST AND UNSTABLE AIR TO THE AREA WHICH WILL RESULT IN SCATTERED
THUNDERSTORMS OVER THE FIRE TONIGHT AND EARLY THURSDAY. MOISTURE WILL
INCREASE AS THE LOW GETS CLOSER THURSDAY AFTERNOON AND EVENING. THIS WILL
BRING WET STORMS TO THE FIRE WITH THE POTENTIAL FOR LOCALIZED HEAVY RAIN
AND MUCH COOLER TEMPERATURES.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS THROUGH
                    THE NIGHT. SHOWERS LIKELY IN THE EVENING...THEN
                    A CHANCE OF SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....48 TO 54.
MAX HUMIDITY........69 TO 80 PERCENT.
WIND - EYE LEVEL....WEST 3 TO 9 MPH IN THE EVENING...SHIFTING TO
                    THE EAST 3 TO 6 MPH AFTER MIDNIGHT. GUSTY WINDS TO
                    40 MPH NEAR ANY THUNDERSTORMS.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...35 POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND
                    THUNDERSTORMS LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....56 TO 62.
MIN HUMIDITY........33 TO 53 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 3 TO 6 MPH IN THE MORNING...SHIFTING TO
                    THE NORTHWEST 6 TO 8 MPH IN THE AFTERNOON. GUSTY
                    WINDS TO 40 MPH NEAR ANY THUNDERSTORMS.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 15 MPH.
VENTILATION INDEX...600 GOOD.

.OUTLOOK FOR FRIDAY...MORE SHOWERS AND ISOLATED THUNDERSTORMS ALONG WITH
VERY COOL TEMPERATURES. BECOMING BREEZY DURING THE AFTERNOON WITH WEST WINDS
UP TO 25 MPH.

$$
FORECASTER...SKARI
REQUESTED BY...PAYETTE NATIONAL FOREST
TYPE OF REQUEST...WILDFIRE
.TAG 20090805.SHEEP.01/BOI