FNUS75 KMSO 181643
FWSMSO

SPOT FORECAST FOR PETTY ROCK 4G
NATIONAL WEATHER SERVICE MISSOULA MT
1043 AM MDT SUN APR 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ENOUGH INSTABILITY AROUND THIS AFTERNOON FOR
DEVELOPING CUMULUS...BUT DO NOT THINK THEY WILL AMOUNT TO MUCH.
KEEP AN EYE ON THEM FOR ANY VIRGA THOUGH. SHOULD BE EVEN WARMER
AND DRIER MONDAY.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.  COULD BE SOME BUILDING CUMULUS WITH
                    A REMOTE CHANCE OF VIRGA OR A VERY LIGHT SHOWER
                    MID TO LATE AFTERNOON.
CWR.................NEAR 0.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........WEST 2-4 MPH BUT MAY BE UP TO 8 MPH TOP OF UNIT.
MIXING HEIGHT.......5400 FT AGL.
MIXING WINDS........WEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........EAST 10 MPH.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........UP SLOPE 1-4 MPH...BUT SOUTHEAST AROUND 5 MPH TOP
                    OF UNIT IN THE AFTERNOON.
MIXING HEIGHT.......6400 FT AGL.
MIXING WINDS........SOUTH 10 MPH.

$$
FORECASTER...WHITMORE
REQUESTED BY...JEFFREY HAYES
TYPE OF REQUEST...PRESCRIBED
.TAG 20100418.PETTY.01/MSO