FNUS75 KBYZ 271758
FWSBYZ

SPOT FORECAST FOR EMIGRANT...USDA FOREST SERVICE GALLATIN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
1158 AM MDT SAT JUL 27 2013

FORECAST IS BASED ON REQUEST TIME OF 1133 MDT ON JULY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.DISCUSSION...

SKIES WILL BE MOSTLY CLOUDY FOR THE REMAINDER OF THE DAY BUT SOME
BREAKS IN THE CLOUDS WILL BE POSSIBLE. A WEAK COLD FRONT WILL MOVE
THROUGH THE FIRE SITE THIS AFTERNOON. THIS COMBINED WITH A
DISTURBANCE ALOFT WILL RESULT IN INCREASING CHANCES FOR SHOWERS
AND THUNDERSTORMS THIS AFTERNOON AND EVENING. TEMPERATURES WILL BE
IN THE LOWER TO MIDDLE 80S THIS AFTERNOON WITH HUMIDITIES DROPPING
INTO THE LOWER 20S. THUNDERSTORMS TODAY ARE EXPECTED TO BE MORE ON
THE DRY SIDE WITH GUSTY ERRATIC WINDS. ANOTHER DISTURBANCE WILL
MOVE OVERHEAD SUNDAY BRINGING INCREASING CHANCES FOR
THUNDERSTORMS. MOISTURE WILL ALSO BE INCREASING SO WETTING RAIN
CHANCES WILL BE HIGHER DURING THE DAY SUNDAY. HOOLEY


.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY.
                    SCATTERED DRY THUNDERSTORMS IN THE AFTERNOON.
                    SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN
                    THE AFTERNOON.
CWR.................18 PERCENT.
LAL.................6...DRY LIGHTNING WITH MORE THAN 8 STRIKES/15
                    MIN/CELL.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH EARLY IN THE AFTERNOON
                    SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......12000 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED DRY THUNDERSTORMS IN
                    THE EVENING...THEN ISOLATED SHOWERS AND
                    THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY
                    PRODUCE GUSTY WINDS IN THE EVENING.
CWR.................19 PERCENT.
LAL.................6...DRY LIGHTNING WITH MORE THAN 8 STRIKES/15
                    MIN/CELL.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING
                    SHIFTING TO THE SOUTHWEST OVERNIGHT. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 5 TO 10 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
HAINES INDEX........5.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    THUNDERSTORMS IN THE AFTERNOON. SOME
                    THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
                    AFTERNOON.
CWR.................25 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING NORTHEAST 5
                    TO 10 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......12800 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...HOOLEY
REQUESTED BY...CRISTI HEANEY
TYPE OF REQUEST...WILDFIRE
.TAG 20130727.EMIGR.01/BYZ