FNUS75 KMSO 201412
FWSMSO

SPOT FORECAST FOR KEYPOLE
NATIONAL WEATHER SERVICE MISSOULA MT
812 AM MDT FRI MAY 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LOW PRESSURE SYSTEM CIRCULATING ALONG THE
MONTANA-WYOMING BORDER WILL PROVIDE MOISTURE AND ENERGY ACROSS THE
REGION INCREASING CLOUD COVER AND SHOWER ACTIVITY OVER THE
BURN SITE TODAY. THICKER CLOUDS AND VERY LIGHT SHOWERS ARE ALREADY
BEING OBSERVED ON THE RADAR...BUT THESE SHOWERS HAVE YET TO DROP ANY
MEASURABLE PRECIPITATION THIS MORNING. SURFACE AND MIXING WINDS WILL
GENERALLY BE FROM THE NORTH-NORTHEAST TODAY AND INTO SATURDAY AS WELL.
WHILE AN INCREASE IN SHOWER ACTIVITY IS EXPECTED...CHANCE OF WETTING
RAINS STILL REMAIN LOW.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
                    THE MORNING...THEN CHANCE OF RAIN SHOWERS IN
                    THE AFTERNOON.
CWR.................10 PERCENT THROUGH EARLY MORNING...INCREASING TO
                    30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........NORTH WINDS 6-10 MPH...SOME INCREASED GUSTS THIS
                    AFTERNOON UP TO 20 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........NORTHEAST 12 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
                    EVENING...THEN SLIGHT CHANCE OF RAIN SHOWERS
                    AFTER MIDNIGHT.
CWR.................30 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........78-83 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5-6 MPH IN THE EVENING BECOMING
                    VARIABLE 2-4 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........EAST 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY WITH A SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........52-57 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTH AROUND 5
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
MIXING WINDS........NORTHEAST 5 MPH.

$$
FORECASTER...NOLTE/ZUMPFE
REQUESTED BY...LORIE COTTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110520.KEYPO.01/MSO