FNUS75 KMSO 041521
FWSMSO

SPOT FORECAST FOR SCHOOL POINT ALPHA
NATIONAL WEATHER SERVICE MISSOULA MT
921 AM MDT WED MAY 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRIER AIR MOVING INTO THE REGION TODAY WILL ALLOW FOR
WARMER TEMPERATURES AND LOWER HUMIDITIES. DECREASED WINDS ALOFT
WILL KEEP WINDS LIGHTER THAN WINDS EXPERIENCED THE PAST COUPLE OF
DAYS. CLEARING SKIES TONIGHT WILL ALLOW GOOD COOLING AND HIGHER
HUMIDITIES. THE KEY WILL BE THURSDAYS CONDITIONS...WHICH WILL
BEGIN FAIR WITH PLENTY OF SUN AND REMAINING DRY. HOWEVER...HIGH
CLOUDS WILL BEGIN TO BUILD TO THE WEST-NORTHWEST BY THE AFTERNOON
WITH MOSTLY CLOUDY CONDITIONS EXPECTED OVER THE SITE BY LATE
THURSDAY AFTERNOON...SIGNALING THE APPROACH OF A COLD FRONT.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THIS MORNING...WITH CLOUD COVER
                    DECREASING THROUGHOUT THE DAY.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
                    AFTERNOON.
TEMPERATURE.........47 AT IGNITION...MAX 59.
RH..................36 PERCENT AT IGNITION...MIN 22 PERCENT.
WIND (20 FT)........NORTHWEST AT 6 MPH AT
                    IGNITION...BECOMING WEST AROUND 9-11 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
MIXING WINDS........NORTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
TEMPERATURE.........MIN 31.
RH..................MAX 82 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH BECOMING SOUTHWEST
                    AROUND 3-5 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 5 MPH.

.THURSDAY...

SKY/WEATHER.........BEGINNING SUNNY...WITH HIGH CLOUDS
                    INCREASING BY THE AFTERNOON.
CWR.................0 PERCENT.
TEMPERATURE.........MAX 66-70.
RH..................MIN 17-23 PERCENT.
WIND (20 FT)........WEST 5-10 MPH.
MIXING HEIGHT.......5700 FT AGL.
MIXING WINDS........SOUTHWEST 20 MPH.

$$
FORECASTER...ALLEGRETTO
REQUESTED BY...DOUG DEMOSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110504.SCHOO.01/MSO