FNUS73 KUNR 201242
FWSUNR

SPOT FORECAST FOR BARREL...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
642 AM MDT WED JUL 20 2011

FORECAST IS BASED ON REQUEST TIME OF 0627 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
A COLD FRONT WAS PASSING BUCKHORN AND OSAGE AT 630 AM THIS MORNING
WILL REACH THE FIRE AREA BETWEEN 700 AM AND 830 AM. WINDS WILL
SHIFT TO THE NORTHWEST AND BECOME GUSTY AT TIMES. TEMPERATURES
WILL BE COOLER BEHIND THE FRONT THIS AFTERNOON WITH A LOT OF SUN.
THE WINDS WILL SUBSIDE QUICKLY THIS EVENING UNDER MOSTLY CLEAR
SKIES. VERY WARM AND DRY WEATHER IS EXPECTED THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........SOUTHWEST 4 TO 8 MPH BECOMING NORTHWEST 12 TO 22 MPH
                    BY 830 AM. GUSTS TO 32 MPH FOR EXPOSED AREAS.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........NORTHWEST LESS THAN 10 MPH BECOMING VARIABLE
                    LESS THAN 8 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....VARIABLE AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........19 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 16 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
SMOKE DISPERSAL.....EXCELLENT.

$$
FORECASTER...EH
REQUESTED BY...BK411
TYPE OF REQUEST...WILDFIRE
.TAG 20110720.BARRE.01/UNR