FNUS75 KMSO 201710
FWSMSO

SPOT FORECAST FOR ST  MARY S 30A
NATIONAL WEATHER SERVICE MISSOULA MT
1110 AM MDT WED MAY 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1110 MDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COOL WEATHER SYSTEM WILL PASS THROUGH WESTERN
MONTANA TODAY. THE AIR MASS WILL BE UNSTABLE...BUT MOISTURE IS
LIMITED. WINDS ALOFT AND SURFACE PRESSURE GRADIENT SUPPORT WEST
TO NORTHWEST WINDS ON THE BURN SITE THIS AFTERNOON. FULL SHELTERING
WILL HELP REDUCE WINDS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....57-60.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6-12 MPH WITH GUSTS TO 18 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....32-36.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6-10 MPH IN THE EARLY EVENING
                    BECOMING DOWNSLOPE 2-4 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........UPSLOPE 2-4 MPH.

$$
FORECASTER...MSJ
REQUESTED BY...JOHN WALTERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090520.STMAR.01/MSO