FNUS73 KUNR 141657
FWSUNR

SPOT FORECAST FOR PCK RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
1057 AM MDT THU MAY 14 2009

FORECAST IS BASED ON IGNITION TIME OF 1025 MDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SKIES WILL BE VARIABLY CLOUDY TODAY WITH BREEZY
SOUTHERLY WINDS EXPECTED THROUGH THE AFTERNOON. 20 FOOT WIND
SPEEDS SHOULD RANGE FROM 14 TO 20 MPH...WITH RIDGETOP WINDS FROM
20 TO 28 MPH. WINDS WILL SHIFT TO THE WEST TO SOUTHWEST AROUND MID
AFTERNOON...THEN BECOME MORE WESTERLY EARLY THIS EVENING. HIGH
TEMPERATURES WILL BE IN THE MID TO UPPER 60S...WITH THE AFTERNOON
MINIMUM RELATIVE HUMIDITY FALLING TO AROUND 18 PERCENT. WIND
SPEEDS WILL DECREASE AFTER SUNSET.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTH TO SOUTHWEST WINDS AT 14 TO 20 MPH
                    BECOMING WEST TO SOUTHWEST BY MID AFTERNOON.
                    WINDS 20 TO 28 MPH AT RIDGETOPS.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7600 TO 8600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 TO 30 MPH.
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST WINDS 6 TO 10 MPH INCREASING
                    TO 12 TO 18 MPH AFTER MIDNIGHT.
CWR.................5 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....WEST AROUND 17 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 16 TO 22 MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6300 TO 7300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 35 MPH.
SMOKE DISPERSAL.....EXCELLENT.

$$
FORECASTER...SR
REQUESTED BY...ROCHELLE PLOCEK
TYPE OF REQUEST...PRESCRIBED
.TAG 20090514.PCKRX.01/UNR