FNUS73 KUNR 230311
FWSUNR

SPOT FORECAST FOR SILVER ARROW...GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
911 PM MDT FRI JUL 22 2011

FORECAST IS BASED ON REQUEST TIME OF 2051 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...OUTFLOW FROM THUNDERSTORMS OVER NORTHWESTERN SOUTH DAKOTA
WILL SWING WINDS AROUND TO THE NORTHWEST TOWARD MIDNIGHT. WINDS WILL THEN
INCREASE TO 6 TO 12 MPH AROUND MIDNIGHT AS A COLD FRONT CROSSES THE AREA.
NO THUNDERSTORMS OR PRECIPITATION ARE EXPECTED OVER THE FIRE AREA OVERNIGHT.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 56.
RH..................MAX 78 PERCENT.
WIND (20 FT)........LIGHT SOUTHWEST WINDS BECOMING NORTHWEST 6 TO 12 MPH
                    TOWARD MIDNIGHT.
CWR.................0.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH SHIFTING TO THE NORTHWEST 10
                    TO 16 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 71.
RH..................MIN 51 PERCENT.
WIND (20 FT)........NORTH WINDS 9 TO 14 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000 TO 5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 18 TO 26 MPH DECREASING TO 10 TO 18
                    MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...GR
REQUESTED BY...PT 8
TYPE OF REQUEST...WILDFIRE
.TAG 20110722.SILVE.01/UNR