FNUS75 KMSO 212221
FWSMSO

SPOT FORECAST FOR DRY GULCH
NATIONAL WEATHER SERVICE MISSOULA MT
421 PM MDT WED APR 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1630 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER LOW IN SOUTHCENTRAL IDAHO WILL CONTINUE TO
SPIN AND USHER CLOUDS NORTHWARD THIS AFTERNOON AND NIGHT. RADAR
SHOWS SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING IN SOUTHWEST
MONTANA. THESE WILL PERSIST THROUGH SUNSET. GUSTY AND ERRATIC WINDS
ARE POSSIBLE IN AND AROUND ANY SHOWER OR THUNDERSTORM. OTHERWISE
VARIABLE LIGHT WINDS 2-4 MPH ARE POSSIBLE. A BETTER CHANCE OF
SHOWERS IS EXPECTED THURSDAY AS ANOTHER BAND OF MOISTURE WRAPS
AROUND THE LOW.

NOTE: WINDS ARE GUSTY AND ERRATIC NEAR THUNDERSTORMS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
                    THROUGH 2000. SLIGHT CHANCE OF RAIN SHOWERS AFTER
                    MIDNIGHT.
CWR.................20 PERCENT.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........86-91 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7-11 MPH IN THE EVENING
                    BECOMING VARIABLE 3-6 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........EAST 5 MPH.

.THURSDAY...

SKY/WEATHER.........CHANCE OF RAIN SHOWERS IN THE MORNING...THEN
                    RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 6-9 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......5400 FT AGL.
MIXING WINDS........NORTH 5 MPH.

$$
FORECASTER...RPN
REQUESTED BY...GARY LAMBERT
TYPE OF REQUEST...PRESCRIBED
.TAG 20100421.DRYGU.01/MSO