FNUS75 KBYZ 131949
FWSBYZ

SPOT FORECAST FOR ALLEN GULCH...BLM BILLINGS
NATIONAL WEATHER SERVICE BILLINGS MT
149 PM MDT WED JUL 13 2011

FORECAST IS BASED ON IGNITION TIME OF 1345 MDT ON JULY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ISOLATED THUNDERSTORMS OVER THE MOUNTAINS WEST OF THE WILDFIRE WILL
MOVE EAST THROUGHOUT THE AFTERNOON AND INCREASE IN COVERAGE AS
THEY APPROACH THE FIRE. THESE THUNDERSTORMS WILL CAUSE ERRATIC
WINDS AT TIMES...EVEN FAR AWAY FROM STORMS. SOME THUNDERSTORMS MAY
BE SEVERE WITH LARGE HAIL OR WINDS NEAR 60 MPH. ANY THUNDERSTORM
THAT IMPACTS THE BURN SITE WILL CAUSE HEAVY RAIN. EXPECT SIMILAR
CONDITIONS TOMORROW.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED THUNDERSTORMS
CWR.................15 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........40-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING...THEN ISOLATED THUNDERSTORMS
                    OVERNIGHT.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........85-90 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS. EARLY MORNING
                    DRAINAGE WINDS FROM THE NORTH AT 3 TO 8 MPH
 RIDGETOP...........SOUTH 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH BECOMING NORTH 3 TO 8 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED THUNDERSTORMS IN THE
                    MORNING...THEN SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH IN THE MORNING SHIFTING
                    TO THE SOUTH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.

$$
FORECASTER...LEACH/BORSUM
REQUESTED BY...JOURDAN FELLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110713.ALLEN.01/BYZ