FNUS75 KBOI 251755
FWSBOI

SPOT FORECAST FOR FIRE SCHOOL RX...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
1155 AM MDT WED MAY 25 2011

FORECAST IS BASED ON IGNITION TIME OF 1135 MDT ON MAY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

NOTE...THE TOWN CREEK RAWS RH SENSOR SEEMS TO BE READING TOO HIGH. DEWPOINTS
AROUND THE REGION ARE ONLY RUNNING IN THE 30S VERSUS AROUND 50 WHICH TOWN
CREEK IS REPORTING

...COOL AND UNSETTLED CONDITIONS THURSDAY AND FRIDAY...


.DISCUSSION...
A COLD FRONT WILL MOVE THROUGH THE BURN UNIT TONIGHT THEN PUSH EASTWARD
FOR THURSDAY. THE REGION WILL REMAIN IN AN UPPER TROUGH WHICH WILL BRING
COOL CONDITIONS AND A SLIGHT RISK OF SHOWERS OVER THE BOISE FOREST. THIS
TROUGH EXTENDS BACK INTO THE GULF OF ALASKA WHICH ALLOWS YET ANOTHER
COLD FRONT LATE FRIDAY NIGHT. STRONG NORTHWEST WINDS THURSDAY MORNING
ARE EXPECTED TO DIMINISH BY EARLY AFTERNOON AS A WEAK SURFACE HIGH BRIEFLY
BUILDS INTO THE REGION.


.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
MAX TEMPERATURE.....50 TO 55.
MIN HUMIDITY........40 TO 50 PERCENT.
WIND - EYE LEVEL....WEST TO NORTHWEST 7 TO 10 MPH WITH GUSTS AROUND 15 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...900 EXCELLENT.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN
                    SHOWERS...MAINLY IN THE EVENING.
MIN TEMPERATURE.....30 TO 35.
MAX HUMIDITY........91 TO 100 PERCENT.
WIND - EYE LEVEL....NORTHWEST AROUND 6 MPH IN THE
                    EVENING...BECOMING LIGHT AROUND 4 MPH
                    AFTER MIDNIGHT.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...35 POOR.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....50 TO 55.
MIN HUMIDITY........35 TO 45 PERCENT.
WIND - EYE LEVEL....WEST TO NORTHWEST AROUND 8 MPH WITH AFTERNOON GUSTS
                    TO 12 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 20 MPH.
VENTILATION INDEX...1200 EXCELLENT.

$$
FORECASTER...REDMAN
REQUESTED BY...MIKE BLACK
TYPE OF REQUEST...PRESCRIBED
.TAG 20110526.FIRES.02/BOI