FNUS75 KMSO 171422
FWSMSO

SPOT FORECAST FOR SWC 2
NATIONAL WEATHER SERVICE MISSOULA MT
822 AM MDT MON MAY 17 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A VERY COMPLEX AND SIGNIFICANT IMPACT PERIOD IS EXPECTED
TODAY THROUGH TUESDAY.  FIRST...INCREASING SOUTHERLY WINDS AND DRY LOW
LOW LEVELS OF THE ATMOSPHERE CAN BE EXPECTED THIS AFTERNOON.  SECOND...
THE ATMOSPHERE SHOULD BECOME QUITE UNSTABLE BY MID TO LATE AFTERNOON
WITH A FEW STORMS POSSIBLE IN THE VICINITY.  HOWEVER...WITH THE LOW
LEVELS OF THE ATMOSPHERE VERY DRY...THERE WILL BE A SIGNIFICANT POTENTIAL
FOR STRONG GUSTY WINDS. THE THIRD IMPACT IS A COLD FRONT AND
INCREASINGLY MOIST ATMOSPHERE TUESDAY.

.TODAY...

CWR.................20 PERCENT.
MAX TEMPERATURE.....76 BOTTOM TO 70 TOP.
MIN HUMIDITY........18 PERCENT BOTTOM TO 24 PERCENT TOP.
WIND (20 FT)........VARIABLE 3-6 MPH BECOMING SOUTH 8-14 MPH WITH GUSTS
                    TO 25 MPH IN THE AFTERNOON.  STRONG GUSTY WINDS TO
                    45 MPH POSSIBLE NEAR ANY STORMS MID TO LATE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL.
MIXING WINDS........SOUTH 15 MPH.

.TONIGHT...

CWR.................20 PERCENT.
MAX HUMIDITY........74-82 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5-7 MPH IN THE EVENING BECOMING
                    VARIABLE 2-5 MPH.
MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT AGL.
MIXING WINDS........SOUTH 15 MPH.

.TUESDAY...

CWR.................40 PERCENT.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-7 MPH...BECOMING WEST 15 TO 25
                    MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON.

$$
FORECASTER...BAUCK
REQUESTED BY...BRET LEWIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100517.SWC2_.01/MSO