FNUS75 KMSO 212021
FWSMSO

SPOT FORECAST FOR ARNOLD PRESCRIBED BURN
NATIONAL WEATHER SERVICE MISSOULA MT
221 PM MDT TUE JUN 21 2011

FORECAST IS BASED ON IGNITION TIME OF 1430 MDT ON JUNE 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE IS FORECAST TO FURTHER STRENGTHEN TODAY
AND TOMORROW RESULTING IN MOSTLY SUNNY DAYS AND A MOSTLY CLEAR NIGHT.
WINDS DURING THE OVERNIGHT AND MORNING HOURS WILL BE PRIMARILY TERRAIN
DRIVEN BUT GENERALLY LIGHT. A FEW GUSTS ARE EXPECTED EACH AFTERNOON
AS WELL AS AROUND SUNSET AS THE HIGHER MOUNTAIN SLOPES BEGIN TO COOL.
INCREASING MOISTURE AHEAD OF AN APPROACHING PACIFIC TROUGH WILL BRING
THE THREAT FOR A SHOWER OR THUNDERSTORM. HOWEVER THE BIGGER THREAT
WILL EXIST ON THURSDAY WHERE A WETTING RAIN IS MORE POSSIBLE.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 7 MPH GUSTING TO 16 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........84-89 PERCENT.
WIND (20 FT)........WEST WINDS 5-7 MPH IN THE EVENING BECOMING
                    DOWNSLOPE 2-4 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........UPSLOPE 5-7 MPH BECOMING SOUTHWEST
                    AROUND 7-10 MPH IN THE AFTERNOON. OCCASIONAL
                    GUSTS TO 14 MPH POSSIBLE.

$$

FORECASTER...DICKERSON
REQUESTED BY...DOUG
TYPE OF REQUEST...PRESCRIBED
.TAG 20110621.ARNOL.01/MSO