FNUS73 KUNR 111503
FWSUNR

SPOT FORECAST FOR PCK RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
903 AM MDT FRI SEP 11 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON SEPTEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
SUNNY SKIES AND BREEZY NORTHWEST WINDS ARE EXPECTED TODAY.
TEMPERATURES WILL BE COOLER TODAY...IN THE 60S FOR HIGHS. THE
AFTERNOON MINIMUM RELATIVE HUMIDITY WILL ONLY FALL TO AROUND 40
PERCENT.

A STRONG WEATHER SYSTEM WILL IMPACT THE AREA TONIGHT INTO SUNDAY
WITH COOL TEMPERATURES AND SIGNIFICANT PRECIPITATION. HIGHS WILL
STRUGGLE TO REACH 50 DEGREES WITH LIGHT ON AND OFF RAIN ALL DAY ON
SATURDAY. CHANCES FOR RAIN WILL LINGER INTO SUNDAY WITH
TEMPERATURES A LITTLE WARMER...CLOSE TO 60 DEGREES BY LATE SUNDAY
AFTERNOON. THE CHANCE FOR A WETTING RAIN THIS WEEKEND IS PRETTY
GOOD.

.TODAY...

SKY/WEATHER.........SUNNY THIS MORNING...BECOMING PARTLY CLOUDY
                    THIS AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS LATE IN THE AFTERNOON.
TEMPERATURE.........MAX 68.
RH..................MIN 40 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 18 TO 24 MPH
                    BY LATE MORNING.
CWR.................5 PERCENT.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5300 TO 6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30 TO 35 MPH.
SMOKE DISPERSAL.....FAIR...INCREASING TO VERY GOOD BY 10 AM.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
                    THE EVENING...THEN CHANCE OF RAIN SHOWERS AFTER
                    MIDNIGHT.
TEMPERATURE.........MIN 35.
RH..................MAX 100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 14 MPH.
CWR.................40 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 28 MPH DECREASING TO 8 TO 16
                    MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY.
TEMPERATURE.........MAX 50.
RH..................MIN 75 PERCENT.
WIND (20 FT)........NORTH WINDS 8 TO 14 MPH SHIFTING TO THE
                    EAST AROUND 5 MPH IN THE AFTERNOON.
CWR.................50 PERCENT.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1700 TO 2700 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH BECOMING EAST 5 TO 10
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...SR
REQUESTED BY...NZ FUELS CRW 8
TYPE OF REQUEST...PRESCRIBED
.TAG 20090911.PCKRX.01/UNR