FNUS75 KMSO 211443 FWSMSO SPOT FORECAST FOR BRISTOW 15 NATIONAL WEATHER SERVICE MISSOULA MT 843 AM MDT SAT MAY 21 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A MOIST ATMOSPHERE WITH WEAK INSTABILITY OVER THE BURN AREA WILL PRODUCE A FEW SHOWERS DURING THE HEATING OF THE DAY AFTER 1400. A WEAK DISTURBANCE WILL MOVE THROUGH THE BURN AREA SUNDAY AND BRING AN INCREASING POTENTIAL OF SHOWERS SUNDAY AFTERNOON THROUGH EARLY EVENING. THIS INCREASE IN MOISTURE WILL TREND RHS UP 10-15% SUNDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. INCREASING AFTERNOON CLOUDS. SLIGHT CHANCE OF SHOWERS AFTER 1400. CWR.................10 PERCENT. MAX TEMPERATURE.....63-68. MIN HUMIDITY........33-39 PERCENT. WIND (20 FT)........VARIABLE 1-3 MPH. MIXING HEIGHT.......6200 FT AGL. MIXING WINDS........LIGHT AND VARIABLE. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS TONIGHT AND SUNDAY MORNING. CWR.................10 PERCENT. MIN TEMPERATURE.....42-47. MAX HUMIDITY........84-89 PERCENT. WIND (20 FT)........VARIABLE 1-3 MPH. MIXING HEIGHT.......400 FT AGL. MIXING WINDS........LIGHT AND VARIABLE. .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER 1200. CWR.................40 PERCENT. MAX TEMPERATURE.....57-62. MIN HUMIDITY........45-50 PERCENT. WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST 5-8 MPH IN THE AFTERNOON. MIXING HEIGHT.......3300 FT AGL. MIXING WINDS........SOUTHWEST 10 MPH. $$ FORECASTER...RPN REQUESTED BY...NIKIA HERNANDEZ TYPE OF REQUEST...PRESCRIBED .TAG 20110521.BRIST.01/MSO