FNUS73 KUNR 301329
FWSUNR

SPOT FORECAST FOR SPEARFISH MOUNTAIN...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
729 AM MDT WED JUN 30 2010

FORECAST IS BASED ON REQUEST TIME OF 0713 MDT ON JUNE 30.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

...HOT AND BREEZY TODAY...

.DISCUSSION...IT WILL BE HOT TODAY WITH BREEZY SOUTHWEST WINDS.
HIGHS WILL BE IN THE MID 90S WITH MINIMUM RELATIVE HUMIDITY
OF 15 TO 20 PERCENT. SOUTHWEST WINDS WILL BE 12 TO 18 MPH...WITH
GUSTS TO 25 MPH. A COLD FRONT WILL SLIDE THROUGH THE AREA THIS EVENING
AND WILL RESULT IN A CHANCE OF THUNDERSTORMS. THURSDAY WILL BE COOLER
WITH SLIGHTLY HIGHER HUMIDITY. THERE IS A CHANCE OF THUNDERSTORMS
THURSDAY AFTERNOON.

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
                    THE AFTERNOON.
MAX TEMPERATURE.....92-94.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 18 MPH WITH GUSTS TO 25 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......9200 TO 10200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....VERY GOOD.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
                    EVENING.
MIN TEMPERATURE.....62-64.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH BECOMING NORTHWEST.
CWR.................15 PERCENT DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................3 UNTIL 2400...THEN 1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 300 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....VERY GOOD DECREASING TO POOR.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....86-89.
MIN HUMIDITY........AROUND 25 PERCENT.
WIND (20 FT)........VARIABLE 3 TO 6 MPH BECOMING SOUTHEAST 8 TO 12 MPH.
CWR.................0 PERCENT INCREASING TO 15 PERCENT IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 3.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......9700 TO 10700 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 18 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD.

$$
FORECASTER...NWS
REQUESTED BY...NORDSVEN
TYPE OF REQUEST...WILDFIRE
.TAG 20100630.SPEAR.01/UNR