FNUS75 KBOI 291404
FWSBOI

SPOT FORECAST FOR ZUMWALT...BOISE DISPATCH
NATIONAL WEATHER SERVICE BOISE ID
804 AM MDT WED AUG 29 2012

FORECAST IS BASED ON IGNITION TIME OF 0745 MDT ON AUGUST 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...
.MUCH COOLER AIR IS FILTERING INTO THE AREA TODAY BEHIND A DRY COLD FRONT
THAT CROSSED THE AREA EARLY THIS MORNING. WINDS WILL BE GUSTY BEHIND THE
FRONT WITH WESTERLY WINDS GUSTING UP TO 30 MPH AND HIGHER ON RIDGETOPS AND
WHEN COMBINED WITH VERY LOW RH WILL PRODUCE RED FLAG CONDITIONS. WINDS
SHOULD SLACKEN RATHER QUICKLY BY TONIGHT AS THE PRESSURE GRADIENT
LOOSENS UP.  MUCH COOLER TEMPERATURES OVERNIGHT WITH MODERATE RH RECOVERY.
WARMER AND DRIER CONDITIONS RETURN ALREADY BY THURSDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....63 TO 70 .
MIN HUMIDITY........12 TO 18 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 10 TO 16 MPH WITH GUSTS TO 28 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1200 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR. MUCH COOLER.
MIN TEMPERATURE.....34 TO 40.
MAX HUMIDITY........25 TO 45 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 10 TO 16 MPH WITH GUSTS TO 28 MPH IN
                    THE EVENING...SHIFTING TO THE SOUTH 3 TO 5 MPH
                    AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......LIGHT WINDS.
VENTILATION INDEX...50 POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....69 TO 74. .
MIN HUMIDITY........10 TO 15 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 3 TO 8 MPH. GUSTS UP TO 16 MPH IN THE
                    AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 25 MPH.
VENTILATION INDEX...2000 EXCELLENT.

$$
FORECASTER...SKARI
REQUESTED BY...IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20120829.ZUMWA.01/BOI