FNUS75 KBYZ 201329
FWSBYZ

SPOT FORECAST FOR POVERTY FLATTS...BIGHORN NATL. FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
729 AM MDT THU OCT 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL BE WARM AND DRY AT THE BURN SITE TODAY WITH THE MINIMUM
RELATIVE HUMIDITY BETWEEN 25 AND 30 PERCENT. WINDS WILL BE FROM
THE WEST-SOUTHWEST AT 5 TO 10 MPH THROUGH MID-MORNING...BUT ARE
THEN EXPECTED TO GRADUALLY BECOME NORTHWEST AT 7 TO 13 MPH THIS
AFTERNOON. THOUGH THERE MAY BE A FEW CLOUDS PASSING THROUGH THE
BURN SITE BY THIS AFTERNOON...EXPECT MIXING HEIGHTS TO BE AROUND
4000 FEET. SCATTERED SHOWERS ARE EXPECTED AT THE BURN SITE ON
FRIDAY ALONG WITH COOLER TEMPERATURES AS A WEAK WEATHER SYSTEM
MOVES THROUGH THE AREA.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST-SOUTHWEST 5 TO 10 MPH THROUGH
                    MID-MORNING. WINDS WILL BECOME NORTHWEST
                    AT 7 TO 13 MPH FOR THE AFTERNOON.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......4200 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.
CWR.................16 PERCENT.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........47-52 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 5 TO 10 MPH.
MIXING HEIGHT.......3300 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.

$$
FORECASTER...SCHULTZ/CHAMBERS
REQUESTED BY...JANOS CZABAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20111020.POVER.01/BYZ