FNUS75 KBYZ 212218
FWSBYZ

SPOT FORECAST FOR EMIGRANT...USDA FOREST SERVICE GALLATIN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
418 PM MDT SUN JUL 21 2013

FORECAST IS BASED ON REQUEST TIME OF 1556 MDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
VERY WARM AND DRY WEATHER PATTERN WILL CONTINUE TONIGHT THROUGH
MONDAY OVER THE FIRE SITE. A WEAK COOL FRONT WILL DROP THROUGH THE
FIRE SITE THIS AFTERNOON AND WILL SWITCH RIDGE TOP WEST WINDS TO
THE NORTH BY EVENING. WINDS SPEEDS OF 5 TO 15 MPH CAN BE EXPECTED
BOTH THIS AFTERNOON AND EVENING. RH'S THIS AFTERNOON WILL BE LOW
WITH VALUES AROUND 15 TO 20 PERCENT. OVERNIGHT TEMPERATURES WILL
BE IN THE UPPER 40S AND RH'S WILL ONLY RECOVER INTO THE UPPER 40
PERCENT RANGE. HOT AND DRY CONDITIONS CAN BE EXPECTED ON MONDAY
WITH AFTERNOON TEMPERATURES NEAR 80 DEGREES AND RH'S FALLING INTO
THE MID TEENS. RIDGE TOP WINDS WILL INCREASE BY LATE MORNING WITH
SPEEDS OF 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH IN THE EVENING SHIFTING
                    TO THE SOUTH OVERNIGHT.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........4.

.MONDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......10200 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.
HAINES INDEX........5.

$$
FORECASTER...RICHMOND
REQUESTED BY...CRISTI HEANEY
TYPE OF REQUEST...WILDFIRE
.TAG 20130721.EMIGR.01/BYZ