FNUS73 KUNR 172244
FWSUNR

SPOT FORECAST FOR SWITCH BACK DRAW...GREAT PLAINS DISPATCH
NATIONAL WEATHER SERVICE RAPID CITY SD
444 PM MDT TUE JUL 17 2012

FORECAST IS BASED ON REQUEST TIME OF 1608 MDT ON JULY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SCATTERED THUNDERSTORMS HAVE DEVELOPED THIS
AFTERNOON BUT MOST ACTIVITY IS NORTH AND EAST OF THE BURN
AREA AT THIS TIME. HOWEVER...BE ALERT FOR POSSIBLE WIND SHIFTS
AND ERRATIC WIND SPEEDS DUE TO OUTFLOW BOUNDARIES FROM
THUNDERSTORMS. ONE OUTFLOW BOUNDARY IS CURRENTLY NEAR DOWNTOWN CUSTER
AND MOVING SOUTH AT 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    ISOLATED SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH. GUSTY/ERRATIC NEAR
                    ANY THUNDERSTORMS OR OUTFLOW BOUNDARIES.
CWR.................10 PERCENT.
LAL.................2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH IN
                    THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8000 TO 9000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...JJ
REQUESTED BY...FIRE
TYPE OF REQUEST...WILDFIRE
.TAG 20120717.SWITC.01/UNR