FNUS75 KMSO 132049
FWSMSO

SPOT FORECAST FOR VISTA
NATIONAL WEATHER SERVICE MISSOULA MT
249 PM MDT THU SEP 13 2012

FORECAST IS BASED ON REQUEST TIME OF 1314 PDT ON SEPTEMBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO MIDNIGHT MDT
FRIDAY NIGHT...

.DISCUSSION...RIDGE OVER THE FIRE WILL STRENGTHEN INVERSIONS
INCREASING THERMAL BELTS FOR TONIGHT. EXPECT ANOTHER NIGHT OF POOR
RECOVERIES WITH ACTIVE FIRE BEHAVIOR THROUGH THE NIGHT. FRIDAY
WILL BE A CRITICAL FIRE DAY WITH HIGH POTENTIAL FOR PLUME DRIVEN
FIRES WITH HAINES OF 6 ALONG WITH INCREASED WEST/SOUTHWEST WINDS IN THE
AFTERNOON. THE DRAINAGES JUST WEST OF THE FIRE ARE SOUTHWEST TO
NORTHEAST ORIENTED BUT ARE EXPECTED TO BE CAPPED DUE TO HEAVY
SMOKE AND ARE NOT EXPECTED TO REACH THE VALLEY BOTTOMS. THE UPPER
REACHES OF THE FIRE WILL BE EXPOSED AND SHOULD FEEL THE FULL
EFFECTS FROM THE WINDS.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH.
HAINES INDEX........5 MODERATE.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....
       BOTTOM.......40-45.
       MIDSLOPE.....45-50.
MAX HUMIDITY........
       BOTTOM.......75-80 PERCENT.
       MIDSLOPE.....40-45 PERCENT.
WIND (20 FT)........
       BOTTOM.......VARIABLE 1-3 MPH.
       MIDSLOPE.....SOUTHWEST AROUND 5 MPH.
HAINES INDEX........5 MODERATE.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........9-14 PERCENT.
WIND (20 FT)........
       BOTTOM.......VARIABLE 2-5 MPH BECOMING SOUTHWEST 5-7 MPH IN
                    THE AFTERNOON.
       MIDSLOPE.....SOUTHWEST AROUND MPH INCREASE TO 7-12 MPH WITH
                    GUSTS TO 20 MPH AROUND EARLY AFTERNOON.
HAINES INDEX........6 HIGH.

$$
FORECASTER...SMITH
REQUESTED BY...JOSLYN OSBORN
TYPE OF REQUEST...WILDFIRE
.TAG 20120913.VISTA.01/MSO