FNUS73 KUNR 071425
FWSUNR

SPOT FORECAST FOR STONEY HILLS RX...GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
825 AM MDT THU MAY 7 2009

FORECAST IS BASED ON IGNITION TIME OF 0815 MDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A WEAK DISTURBANCE WILL PASS NORTH OF THE AREA THIS
MORNING. AFTERNOON HEATING WILL RESULT IN SOME CUMULUS CLOUDS AND
ISOLATED THUNDERSTORMS. A STRONGER DISTURBANCE WILL MOVE THROUGH
TONIGHT AND EARLY FRIDAY...BRINGING HIGHER CHANCES FOR SHOWERS AND
THUNDERSTORMS WITH A GOOD CHANCE OF WETTING RAINS. THE WAVE WILL
ALSO BRING A COLD FRONT LATER TONIGHT WITH GUSTY NORTHWEST WINDS.

.TODAY...

SKY/WEATHER.........SUNNY THIS MORNING.
                    INCREASING CLOUDS THIS AFTERNOON WITH CUMULUS
                    DEVELOPING IN THE AFTERNOON. ISOLATED SHOWERS AND
                    THUNDERSTORMS POSSIBLE THIS AFTERNOON.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH
                    THIS MORNING. WINDS WILL BECOME WEST 10 TO 16
                    MPH THIS AFTERNOON WHEN FULL MIXING IS REACHED.
CWR.................0 PERCENT.
LAL.................2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7100 TO 8100 FT AGL.
TRANSPORT WINDS.....WEST AROUND 11 MPH.
SMOKE DISPERSAL.....BECOMING GOOD.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 18 MPH...GUSTS
                    UP TO 22 MPH.
CWR.................46 PERCENT.
LAL.................3.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 11 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
                    MORNING.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 20 MPH...GUSTS UP TO 25 MPH.
CWR.................31 PERCENT.
LAL.................2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8700 TO 9700 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 21 MPH.
SMOKE DISPERSAL.....EXCELLENT.

$$
FORECASTER...EH
REQUESTED BY...VEH 5848
TYPE OF REQUEST...PRESCRIBED
.TAG 20090507.STONE.02/UNR