FNUS73 KUNR 311635
FWSUNR

SPOT FORECAST FOR JDC...SD-RBA
NATIONAL WEATHER SERVICE RAPID CITY SD
1035 AM MDT WED MAR 31 2010

FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON MARCH 31.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...DRY WEATHER IS EXPECTED TODAY AT THE PRESCRIBED BURN
SITE. HIGH PRESSURE WILL BUILD ACROSS THE AREA IN THE LATE MORNING
TO EARLY AFTERNOON...WHICH WILL DECREASE THE 20 FOOT WINDS AND
TRANSPORT WINDS AROUND MID AFTERNOON. THERE IS STILL ENOUGH OF A
TRANSPORT WIND FOR SMOKE DISPERSAL TO BE AT LEAST IN THE FAIR
CATEGORY.

AN APPROACHING STORM SYSTEM WILL BRING A CHANCE FOR RAIN TONIGHT
AND THURSDAY. SMOKE DISPERSAL WILL DROP TO POOR TONIGHT AND
CONTINUE THROUGH THURSDAY.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....64.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........NORTH 9 TO 17 MPH...SHIFTING TO THE
                    SOUTHEAST AT 6 TO 12 MPH IN THE EARLY TO
                    MID AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 TO 5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 21 MPH SHIFTING TO THE
                    SOUTHEAST AROUND 6 TO 12 MPH EARLY TO MID
                    AFTERNOON.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.
MIN TEMPERATURE.....38.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........NORTH WINDS 8 TO 14 MPH.
CWR.................27 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700 TO 1200 FT AGL.
TRANSPORT WINDS.....EAST 8 TO 15 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.
MAX TEMPERATURE.....45.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 14 TO 16 MPH.
CWR.................35 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1300 TO 2300 FT AGL.
TRANSPORT WINDS.....NORTH 13 TO 18 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...CALDERON
REQUESTED BY...STEVEN IPSWITCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100331.JDC__.01/UNR