FNUS75 KMSO 231431
FWSMSO

SPOT FORECAST FOR BUTTE CABIN EMB
NATIONAL WEATHER SERVICE MISSOULA MT
831 AM MDT MON APR 23 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ATMOSPHERIC CONDITIONS FAVOR THE DEVELOPMENT OF
AFTERNOON THUNDERSTORMS TODAY ACROSS WEST-CENTRAL MONTANA. CLOUDS
WILL BE INCREASING ONCE AGAIN BY EARLY AFTERNOON WITH STORMS
DEVELOPING AFTER 1400 MDT. WATCH FOR BRIEF HEAVY RAIN AND GUSTY
ERRATIC WINDS FROM NEARBY THUNDERSTORMS.

.TODAY...

SKY/WEATHER.........PARTIAL CLEARING THROUGH LATE MORNING...BECOMING
                    MOSTLY CLOUDY DURING THE AFTERNOON. SLIGHT CHANCE
                    OF RAIN SHOWERS THIS MORNING...THEN CHANCE
                    OF THUNDERSTORMS THIS AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....BOTTOM...75-80. TOP...72-75
MIN HUMIDITY........BOTTOM...20-23 PERCENT. TOP...24-27 PERCENT.
WIND (20 FT)........VALLEY...UPSLOPE 2-5 MPH EARLY...BECOMING 5-10 MPH
                             BY 1400 MDT.
                    TOP......SOUTH WINDS 10-15 MPH.
                    GUSTS UP 30 MPH FROM NEARBY STORMS AFTER 1400 MDT.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........SOUTHWEST 20 MPH.

.TONIGHT...

SKY/WEATHER.........RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
                    IN THE EVENING...THEN CHANCE OF RAIN SHOWERS
                    AFTER MIDNIGHT.
CWR.................30 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........70-80 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5-11 MPH IN THE EVENING
                    BECOMING VARIABLE 2-4 MPH.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHEAST 5 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
                    SLIGHT CHANCE OF THUNDERSTORMS.
CWR.................30 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........WEST WINDS 6-12 MPH...WITH GUSTS TO 22 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........WEST 18 MPH.

$$
FORECASTER...MSJ
REQUESTED BY...KARL NIKOLEYCZIK
TYPE OF REQUEST...PRESCRIBED
.TAG 20120423.BUTTE.01/MSO