FNUS75 KMSO 211707
FWSMSO

SPOT FORECAST FOR FRED BURR
NATIONAL WEATHER SERVICE MISSOULA MT
1107 AM MDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE WILL CONTINUE TO DOMINATE YOUR
WEATHER TODAY. WESTERLY WINDS ALOFT WILL LIKELY MIX TO THE SURFACE
LATER THIS AFTERNOON AS THE ATMOSPHERE DESTABILIZES...BUT THE BURN
SITE LOOKS PRETTY WELL PROTECTED FROM WEST WINDS.

THE RIDGE WILL BE BREAKING DOWN TONIGHT AND WEDNESDAY. CLOUDS WILL BE
INCREASING WEDNESDAY WITH SLIGHTLY COOLER TEMPERATURES WITH STRONGER
WINDS DURING THE AFTERNOON.

.TODAY...

TEMPERATURE.........MAX 76-78.
RH..................MIN 15-18 PERCENT.
WIND (20 FT)........WEST AT 3-5 MPH AT IGNITION...BECOMING NORTH 4-8 MPH
                    WITH GUSTS UP TO 10 MPH LATE THIS AFTERNOON.
MIXING HEIGHT.......3500 FT AGL AT IGNITION...OTHERWISE 6000 FT AGL.
MIXING WINDS........WEST 15 MPH.

.TONIGHT...

TEMPERATURE.........MIN 42-44.
RH..................MAX 70-73 PERCENT.
WIND (20 FT)........SOUTHWEST 4-6 MPH WITH GUSTS TO 12. MPH THIS EVENING
                    BECOMING VARIABLE 1-3 MPH AFTER DARK.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........BECOMING SOUTHWEST 5 MPH.

$$
FORECASTER...MSJ
REQUESTED BY...WINDHORST
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.FREDB.01/MSO