FNUS73 KUNR 082038
FWSUNR

SPOT FORECAST FOR CSP TRAINING INC...SDS
NATIONAL WEATHER SERVICE RAPID CITY SD
238 PM MDT WED JUL 8 2009

FORECAST IS BASED ON IGNITION TIME OF 1415 MDT ON JULY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A STRONG COLD FRONT WILL CROSS THE AREA THIS
EVENING...SWITCHING WINDS FROM THE SOUTH TO THE WEST AROUND 6 TO
7 PM. WITH THE PASSAGE OF THE FRONT...WEST WINDS WILL BECOME
BREEZY WITH SOME GUSTS EXPECTED. SOME STRONG THUNDERSTORMS ARE
ALSO EXPECTED WITH THE FRONTAL PASSAGE. TEMPERATURES WILL COOL
INTO THE LOWER 50S LATE TONIGHT WITH THE RELATIVE HUMIDITY
RECOVERING TO AROUND 80 PERCENT. THURSDAY WILL BE SLIGHTLY COOLER
WITH LIGHT EAST TO SOUTHEAST WINDS.

.TONIGHT...

SKY/WEATHER.........BECOMING MOSTLY CLOUDY. ISOLATED
                    THUNDERSTORMS IN THE EVENING. STRONG STORMS
                    ARE POSSIBLE
TEMPERATURE.........MIN 52.
RH..................MAX 80 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH...BECOMING WEST
                    TO SOUTHWEST AT 15 TO 20 MPH WITH GUSTS TO 25
                    MPH AROUND 6 PM...THEN DIMINISHING
                    AFTER MIDNIGHT.
CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................2 UNTIL 2400...THEN 1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000 TO 4000 FT AGL...DECREASING TO 500 TO
                    1000 FT AGL BY LATE EVENING.
TRANSPORT WINDS.....SOUTHWEST 23 TO 25 MPH SHIFTING TO THE
                    NORTHWEST 13 TO 20 MPH EARLY IN THE
                    EVENING...THEN DECREASING TO 7 TO 10 MPH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....GOOD DECREASING TO POOR EARLY IN THE EVENING.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 72.
RH..................MIN 38 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH SHIFTING TO THE
                    SOUTHEAST 6 TO 10 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5400 TO 6400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 10 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...SR
REQUESTED BY...ANDY TATE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090708.CSPTR.01/UNR