FNUS73 KUNR 210248
FWSUNR

SPOT FORECAST FOR MYRTLE...BLACK HILLS
NATIONAL WEATHER SERVICE RAPID CITY SD
848 PM MDT FRI JUL 20 2012

FORECAST IS BASED ON REQUEST TIME OF 2028 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...THE THUNDERSTORMS CHANCE HAS ENDED FOR THE NIGHT.
PREVAILING WINDS OVERNIGHT AND INTO SATURDAY WILL BE FROM THE NORTHEAST.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY.
TEMPERATURE.........MIN 62.
RH..................MAX 75 PERCENT.
WIND (20 FT)........NORTHEAST WIND 11 TO 17 MPH IN THE EVENING...
                    DECREASING TO 5 TO 8 MPH AFTER MIDNIGHT.
CWR.................ZERO PERCENT.
LAL.................1.
HAINES INDEX........3 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......FALLING TO 500 TO 1000 FT AGL BY MIDNIGHT.
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH DECREASING TO 10 TO 15 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....BECOMING POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........MAX 90.
RH..................MIN 30 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 3.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7300 TO 8300 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.
SMOKE DISPERSAL.....VERY GOOD.

$$
FORECASTER...GR
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20120720.MYRTL.02/UNR