FNUS73 KUNR 122017
FWSUNR

SPOT FORECAST FOR PCK RX...SD-BKF
NATIONAL WEATHER SERVICE RAPID CITY SD
217 PM MDT TUE MAY 12 2009

FORECAST IS BASED ON IGNITION TIME OF 1430 MDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
A ROUND OF THUNDERSTORMS WILL OCCUR TONIGHT WITH SCATTERED RAIN
SHOWERS OVERNIGHT. A TIGHT PRESSURE GRADIENT WILL PROMOTE VERY
WINDY CONDITIONS WEDNESDAY. THE WIND WILL QUICKLY DIMINISH
WEDNESDAY EVENING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING. SCATTERED RAIN SHOWERS THROUGH THE
                    NIGHT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 18 MPH.
CWR.................41 PERCENT.
LAL.................3.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....WEST AROUND 30 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........WINDY. NORTHWEST WINDS 15 TO 30 MPH.
                    GUSTS AROUND 40 MPH.
CWR.................16 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 61 MPH.
SMOKE DISPERSAL.....EXCELLENT.

.OUTLOOK FOR WEDNESDAY NIGHT...
WINDS WILL QUICKLY DIMINISH IN THE EVENING...BECOMING LIGHT AFTER
MIDNIGHT. LOWS IN THE UPPER 20S WITH MAXIMUM RH AROUND 80 PERCENT.
SKIES WILL BE MOSTLY CLEAR.

$$
FORECASTER...EH
REQUESTED BY...PCK IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20090512.PCKRX.02/UNR