FNUS75 KMSO 221504
FWSMSO

SPOT FORECAST FOR FRAZER 64 E
NATIONAL WEATHER SERVICE MISSOULA MT
904 AM MDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...BIG CHANGE IN THE WEATHER TO COOLER AND WETTER FOR THURSDAY...

.DISCUSSION...FLATTENING UPPER RIDGE WILL ALLOW INCREASED
INSTABILITY AND WINDS TODAY. MOISTURE STREAMING UP FROM THE SOUTH
MAY INITIATE SOME CUMULUS CLOUDS THIS AFTERNOON WITH A SLIGHT
CHANCE OF HIGH BASED SHOWERS AND THUNDERSTORMS NEAR THE
FIRE...MAINLY AFTER 1500 MDT. MAIN THREAT FROM THESE WOULD BE
ERRATIC AND GUSTY WINDS AS THE POTENTIAL FOR GUSTS TO 35 MPH
EXISTS. TONIGHT RIDGE WILL SHIFT EAST AS A PACIFIC WEATHER SYSTEM
ENTERS WESTERN MONTANA. INCREASING CLOUDS WITH WIDESPREAD SHOWERS
AND MUCH COOLER TEMPERATURES BY EARLY THURSDAY MORNING.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON...MAINLY AFTER 1500 MDT.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........VARIABLE 4-8 MPH BECOMING WEST 5-12 MPH WITH
                    HIGHER GUSTS IN THE AFTERNOON.
MIXING HEIGHT.......6600 FT AGL.
MIXING WINDS........SOUTHWEST 15 MPH.

TIME (MDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
SKY (%).........7    7   13  33  58  58  58  59  59  59  59  59
WEATHER COV.....               SCH SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE....                RW  RW  RW  RW  RW  RW  RW  RW
TEMP............63  71  75  73  73  72  72  70  67  61  55  52
RH..............41  31  28  26  23  22  21  22  30  40  53  60
20 FT WIND DIR..W   W   W   W   W   W   W   W   W   W   SW  SW
20 FT WIND SPD..4   8   8   8   10  10  10  8   8   8   4   4
20 FT WIND GUST.10  20  20  20  25  25  25  20  20  20  10  10

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    EARLY IN THE EVENING. THEN SLIGHT CHANCE OF RAIN
                    SHOWERS TOWARD THURSDAY MORNING.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........84-89 PERCENT.
WIND (20 FT)........WEST WINDS 5-10 MPH.
MIXING HEIGHT.......700 FT AGL.
MIXING WINDS........WEST 10 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CWR.................30 PERCENT.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........VARIABLE 3-7 MPH BECOMING NORTH 7-9 MPH IN THE
                    LATE MORNING AND EARLY AFTERNOON...THEN
                    BECOMING SOUTHWEST AROUND 7 MPH LATE IN THE
                    AFTERNOON.
MIXING HEIGHT.......3900 FT AGL.
MIXING WINDS........WEST 10 MPH.

$$
FORECASTER...MEAD
REQUESTED BY...WINDHORST
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.FRAZE.01/MSO