FNUS75 KBOI 262321
FWSBOI

SPOT FORECAST FOR BEAM FIRE...VALE BLM DISPATCH
NATIONAL WEATHER SERVICE BOISE ID
521 PM MDT MON JUL 26 2010

FORECAST IS BASED ON REQUEST TIME OF 1649 MDT ON JULY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TUESDAY
   NIGHT FOR LIGHTNING...

...INCREASING COVERAGE OF THUNDERSTORMS TONIGHT AND TUESDAY...

.DISCUSSION...
...A MOISTENING FLOW OF UNSTABLE AIR FROM THE SOUTH IS SPREADING OVER THE AREA
PRESENTLY AND WILL REMAIN THROUGH WEDNESDAY. THUNDERSTORM COVERAGE IS
EXPECTED TO INCREASE THROUGH THE PERIOD WITH THE STORMS BECOMING WETTER
WITH TIME. HOWEVER...ABUNDANT LIGHTNING IS ASSOCIATED WITH THE ACTIVE PATTERN
AND THEREFORE THE NEED FOR A LONG DURATION RED FLAG WARNING. THE BEST CHANCE
FOR CONVECTION WILL BE AFTERNOONS AND EARLY EVENINGS BUT NOCTURNAL STORMS
CANNOT BE RULED OUT IN THIS PRESENT PATTERN. SLIGHTLY DRIER AIR WILL BEGIN
TO WORK IN FROM THE WEST ON THURSDAY.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS. SOME SPOTTY RAINS ARE LIKELY.
MIN TEMPERATURE.....55 TO 60.
MAX HUMIDITY........55 TO 64 PERCENT...EXCEPT 100 PERCENT IN SHOWERS.
WIND (EYE LEVEL)....LESS THAN 3 MPH EARLY IN THE EVENING...BECOMING
                    WEST AROUND 3 MPH. GUSTY AND ERRATIC WINDS OUTFLOW WINDS
                    TO 40 MPH NEAR ANY THUNDERSTORMS.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH.
VENTILATION INDEX...40 POOR.

.TUESDAY...

SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS. SOME WETTING RAINS ARE LIKELY AND STORMS
                    MAY BECOME STRONG OR EVEN SEVERE.
MAX TEMPERATURE.....76 TO 84.
MIN HUMIDITY........29 TO 34 PERCENT.
WIND (EYE LEVEL)....SOUTHWEST AROUND 5 MPH. GUSTY AND ERRATIC WINDS TO 40
                    MPH NEAR ANY THUNDERSTORMS.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......12500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
VENTILATION INDEX...625 GOOD.

$$
FORECASTER...SKARI
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20100726.BEAMF.01/BOI