FNUS75 KMSO 181557
FWSMSO

SPOT FORECAST FOR CHAIN OF LAKES 6A
NATIONAL WEATHER SERVICE MISSOULA MT
957 AM MDT MON MAY 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE RIDGE AXIS WILL MOVE OFF TO THE EAST TODAY CAUSING
THE UPPER LEVEL FLOW TO BECOME SOUTHWESTERLY. THE ATMOSPHERE APPEARS TO
BECOME UNSTABLE ENOUGH THIS AFTERNOON TO SUPPORT A FEW HIGH BASED
THUNDERSTORMS. YOUR FIRE IS ALONG THE NORTHERN BOUNDARY OF THE
BEST INSTABILITY. THE INVERSION APPEARS TO BREAK FOR YOUR FIRE BY
MID AFTERNOON...SO THAT IS WHEN THE BEST TEMPERATURES...HUMIDITIES
AND WINDS ARE EXPECTED TO OCCUR. WE ARE STILL EXPECTING THE COLD
FRONT TO SWING THROUGH YOUR FIRE AROUND NOON TOMORROW.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    THIS AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........14-19 PERCENT.
WIND (20 FT)........VARIABLE 2-5 MPH BECOMING WEST 5-10 MPH WITH
                    GUSTS TO 20 MPH IN THE AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
MIXING WINDS........WEST 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
                    MIDNIGHT
CWR.................10 PERCENT.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........85-90 PERCENT.
WIND (20 FT)........WEST WINDS 5-10 MPH IN THE EVENING BECOMING
                    VARIABLE 2-5 MPH.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........EAST 5 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
                    MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
                    THE DAY. CHANCE OF SHOWERS IN THE AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........VARIABLE 3-6 MPH BECOMING NORTHWEST 5-10 MPH WITH
                    GUSTS TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4200 FT AGL.
MIXING WINDS........SOUTHWEST 25 MPH.

$$
FORECASTER...SMITH
REQUESTED BY...CHAD BURNETT
TYPE OF REQUEST...PRESCRIBED
.TAG 20090518.CHAIN.01/MSO