FNUS75 KMSO 201748
FWSMSO

SPOT FORECAST FOR RUBY CREEK UNIT 4
NATIONAL WEATHER SERVICE MISSOULA MT
1148 AM MDT FRI MAY 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1330 PDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL KEEP MOSTLY CLEAR SKIES AND LIGHT
WINDS OVER THE BURN SITE BEFORE CLOUDS AND MOISTURE BEGIN TO MOVE IN
FROM THE EAST. AFTERNOON SHOWERS WILL BEGIN TO DEVELOP OVER THE
HIGHER TERRAIN NEAR THE SITE...BUT REMAIN VERY LIGHT IN NATURE. MILD
INSTABILITY IN THE AREA MAY ALSO SUPPORT SOME WEAK THUNDER
DEVELOPMENT...WHICH COULD PRODUCE GUSTY OUTFLOW WINDS THROUGH THE
AFTERNOON AND EVENING. WHILE SHOWERS MAY BE WIDESPREAD IN
COVERAGE...CHANCES OF WETTING RAIN STILL REMAIN LOW.

.TODAY...

SKY/WEATHER.........MOSTLY CLEAR WITH MID TO HIGH LEVEL CLOUDS
                    INCREASING IN THE AFTERNOON. SLIGHT
                    CHANCE OF LIGHT RAIN SHOWERS EARLY IN THE
                    AFTERNOON. CHANCE OF RAIN SHOWERS
                    AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
                    AFTERNOON.
CWR.................20 PERCENT.
TEMPERATURE.........AT IGNITION 66. MAX 68-73.
RH..................AT IGNITION 36 PERCENT. MIN 33-38 PERCENT.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
                    THE MORNING...THEN CHANCE OF RAIN SHOWERS IN
                    THE AFTERNOON.
CWR.................10 PERCENT.

$$
FORECASTER...NOLTE/ZUMPFE
REQUESTED BY...ALAN CARLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110520.RUBYC.01/MSO