FNUS75 KBYZ 252205
FWSBYZ

SPOT FORECAST FOR EMIGRANT...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
405 PM MDT THU JUL 25 2013

FORECAST IS BASED ON REQUEST TIME OF 1051 MDT ON JULY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
...UPDATE FOR DEVELOPING THUNDERSTORMS...
AT 1600 THUNDERSTORMS ARE DEVELOPING WITH THE NEAREST CELL 25 MILES
WEST OF THE FIRE. THIS STORM WILL STAY SOUTH OF THE FIRE BUT COULD
PRODUCE GUSTY OUTFLOW WINDS TO 30 MPH. OTHER STORMS ARE EXPECTED
TO DEVELOP OVER THE NEXT FEW HOURS AND THESE COULD PASS VERY NEAR THE
FIRE AREA. THE STORM THAT IMPACTS THE FIRE COULD BE ONE THAT DEVELOPS
OVER THE GALLATIN RANGE OR OVERHEARD. EXPECT ERRATIC WINDS THROUGH
THE REST OF THE AFTERNOON. BORSUM

RH RECOVERIES TONIGHT WILL BE MUCH BETTER WITH VALUES IN
THE UPPER 60 PERCENT RANGE. DRY WEATHER AND WARMER TEMPERATURES
WILL RETURN ON FRIDAY AS A HIGH PRESSURE RIDGE BUILDS BACK IN OVER
THE AREA. LOOK FOR RH'S TO FALL INTO THE TEENS FRIDAY AFTERNOON.
DAYTIME WINDS WILL REMAIN UPSLOPE/UPVALLEY WHILE
DOWNSLOPE/DOWNVALLEY WILL DEVELOP OVERNIGHT. RICHMOND

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................9 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........26-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......10700 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................9 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
 RIDGETOP...........WEST 5 TO 10 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.
HAINES INDEX........4.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................9 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH IN THE MORNING SHIFTING
                    TO THE NORTH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......11300 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...BORSUM
REQUESTED BY...BRIAN MATLOCK
TYPE OF REQUEST...WILDFIRE
.TAG 20130725.EMIGR.02/BYZ