FNUS75 KBOI 301837
FWSBOI

SPOT FORECAST FOR SMYTH CR...BURNS BLM
NATIONAL WEATHER SERVICE BOISE ID
1237 PM MDT TUE AUG 30 2011

FORECAST IS BASED ON REQUEST TIME OF 1210 MDT ON AUGUST 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...INCREASING WINDS TODAY AND FRONTAL PASSAGE TONIGHT...
...GUSTY POST-FRONTAL WINDS WILL PERSIST THROUGH SUNSET WEDNESDAY...

.DISCUSSION...INCREASING WINDS TODAY AS A COLD FRONT APPROACHES FROM
THE NORTHWEST. FRONT TIMED TO MOVE INTO THE BURN AREA BETWEEN 9 PM PDT
AND MIDNIGHT PDT TONIGHT. EXPECT GUSTY NORTHWEST WINDS ALONG AND BEHIND
THE FRONT. COOLER CONDITIONS WILL RETURN BY WEDNESDAY AFTERNOON...BUT
GUSTY WINDS WILL PERSIST THROUGH SUNSET WEDNESDAY NIGHT. WINDS AND
HUMIDITIES WILL BE NEAR RED FLAG THRESHOLDS DURING DAYLIGHT WEDNESDAY.
THU AND FRI...PRESSURE GRADIENT WILL WEAKEN BY MID-DAY THURSDAY AND WIND
SPEEDS WILL DECREASE TO GUSTS TO 15 MPH THURSDAY AND 20 MPH FRIDAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....79 TO 83.
MIN HUMIDITY........12 TO 16 PERCENT.
WIND - EYE LEVEL....UPSLOPE 5 TO 7 MPH THROUGH 1 PM PDT...THEN
                    NORTHWEST 7 TO 10 WITH GUSTS TO 18 MPH
                    AFTER 1 PM PDT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...700 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....41 TO 46.
MAX HUMIDITY........60 TO 65 PERCENT.
WIND - EYE LEVEL....NORTHWEST 10 TO 15 MPH WITH GUSTS TO 25 MPH.
                    WINDS MAY INCREASE /GUSTS TO 35 MPH/ BETWEEN
                    9 PM AND MIDNIGHT PDT DUE TO FRONTAL PASSAGE.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 20 MPH.
VENTILATION INDEX...400 FAIR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....63 TO 68.
MIN HUMIDITY........19 TO 24 PERCENT.
WIND - EYE LEVEL....NORTHWEST 12 TO 16 MPH WITH GUST TO
                    30 MPH IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......WEST AROUND 25 MPH.
VENTILATION INDEX...975 EXCELLENT.

$$
FORECASTER...THIMMESCH
REQUESTED BY...INCIDENT IC
TYPE OF REQUEST...WILDFIRE
.TAG 20110830.SMYTH.01/BOI