FNUS73 KUNR 092123
FWSUNR

SPOT FORECAST FOR MEDNANSKY RX...SD-RBA
NATIONAL WEATHER SERVICE RAPID CITY SD
323 PM MDT FRI APR 9 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL CREATE A SLIGHT CHANCE OF RAIN
SHOWERS ON SATURDAY MORNING...THEN SKIES WILL BECOME PARTLY SUNNY. THE WIND
DIRECTION WILL VARY GREATLY...FIRST THE SOUTHWEST...THEN BECOMING NORTHERLY AROUND
MIDDAY...THEN EASTERLY DURING THE AFTERNOON.

.SATURDAY...

SKY/WEATHER.........A CHANCE OF RAIN SHOWERS IN THE MORNING...THEN PARTLY
                    SUNNY.
MAX TEMPERATURE.....60.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTHWEST WIND 5 TO 7 MPH...BECOMING NORTH AROUND NOON
                    ...THEN SHIFTING TO THE EAST AROUND 8 MPH LATE IN
                    THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6500 TO 7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 12 MPH BECOMING NORTHWEST 8 MPH AROUND NOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....39.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH EARLY IN THE EVENING...BECOMING
                    SOUTHEAST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....69.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 14 MPH INCREASING TO 15 TO
                    20 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 TO 6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 22 TO 28 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD.

$$
FORECASTER...GR
REQUESTED BY...STEVEN IPSWITCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100410.MEDNA.01/UNR