FNUS73 KUNR 291449
FWSUNR

SPOT FORECAST FOR MORU PILES...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
749 AM MST SUN JAN 29 2012

FORECAST IS BASED ON IGNITION TIME OF 0930 MST ON JANUARY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
A WEAK WARM FRONT IS MOVING THROUGH THE BLACK HILLS REGION THIS
MORNING. THE BURN ELEVATION IS AT THE WARMEST LAYER IN A STRONG
INVERSION AND THEREFORE SHOULD BE CONSIDERED ALREADY MIXED OUT AS
INDICATED BY THE 17 MPH NORTHWEST WIND GUSTS. THERE IS A SLIGHT
CHANCE OF LIGHT PRECIPITATION IN THE BROAD FRONTAL ZONE THIS
MORNING. THE FRONT IS MOVING QUICKLY TO THE EAST SO CLOUDS WILL
BEGIN TO DECREASE SOMEWHAT IN A FEW HOURS. TEMPERATURES SHOULD
RISE QUICKLY TO NEAR 50 OR HIGHER BY MIDDAY. RELATIVE HUMIDITIES
WHOULD BE STEADY IN THE 32 TO 38 PERCENT RANGE THROUGH THE AFTERNOON.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN
                    THE MORNING.
TEMPERATURE.........42 AT IGNITION...MAX 51.
RH..................59 PERCENT AT IGNITION...MIN 36 PERCENT.
WIND (20 FT)........WINDS WEST AT 14 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 12 TO 16 MPH.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5900 TO 6900 FT AGL.
TRANSPORT WINDS.....WEST 26 TO 32 MPH INCREASING TO NORTHWEST 40 TO
                    48 MPH LATE IN THE MORNING...THEN INCREASING TO
                    48 TO 55 MPH EARLY IN THE AFTERNOON DECREASING
                    TO 41 TO 45 MPH LATE IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 34.
RH..................MAX 51 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 17 MPH.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....WEST 29 TO 38 MPH DECREASING TO 16 TO 25 MPH
                    AFTER MIDNIGHT.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 53.
RH..................MIN 27 PERCENT.
WIND (20 FT)........WEST WINDS 9 TO 10 MPH.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5600 TO 6600 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 16 MPH INCREASING TO 24 TO 33 MPH
                    LATE IN THE MORNING.

$$
FORECASTER...DC
REQUESTED BY...LEE DUEKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120129.MORUP.01/UNR