FNUS75 KTFX 122301
FWSTFX

SPOT FORECAST FOR VIMY RIDGE FIRE...CHOUTEAU COUNTY SHERIFF
NATIONAL WEATHER SERVICE GREAT FALLS MT
501 PM MDT WED SEP 12 2012

FORECAST IS BASED ON REQUEST TIME OF 1647 MDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.DISCUSSION...
A BROAD UPPER LEVEL RIDGE OF HIGH PRESSURE WILL CONTINUE MOSTLY
CLEAR SKIES WITH VERY DRY CONDITIONS ACROSS THE DISTRICTS THROUGH
FRIDAY. WINDS WILL GENERALLY BE LIGHT THROUGH THURSDAY NIGHT...BUT
A DISTURBANCE WILL MOVE OVER THE RIDGE ON FRIDAY AND CAUSE WINDS
TO INCREASE AND BECOME MORE WESTERLY. THIS WILL INCREASE THE THREAT
FOR CRITICAL FIRE WEATHER CONDITIONS ACROSS THE AREA. COULSTON


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........44-49 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 15 MPH DECREASING TO SOUTHWEST
                    4 TO 7 MPH BY MIDNIGHT.
RIDGE TOP WIND......WEST WINDS 5 TO 15 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL BY AROUND MIDNIGHT.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........7-12 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4 TO 7 MPH INCREASING TO
                    SOUTHEAST 5 TO 15 MPH IN THE AFTERNOON.
RIDGE TOP WIND......SOUTHWEST WINDS 5 TO 15 MPH SHIFTING TO THE
                    SOUTHEAST IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 5500 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH INCREASING TO SOUTHEAST
                    10 TO 15 MPH IN THE AFTERNOON.

$$
FORECASTER...COULSTON
REQUESTED BY...CHOUTEAU COUNTY SHERIFF
TYPE OF REQUEST...WILDFIRE
.TAG 20120912.VIMYR.01/TFX