FNUS73 KUNR 121445
FWSUNR

SPOT FORECAST FOR FT MEADE  3...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
845 AM MDT SUN SEP 12 2010

FORECAST IS BASED ON IGNITION TIME OF 1030 MDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING SUNNY SKIES TODAY. SLIGHTLY
ABOVE AVERAGE TEMPERATURES AND LOW DEWPOINTS WILL PRODUCE
AFTERNOON MINIMUM RELATIVE HUMIDITIES IN THE 15 TO 20 PERCENT
RANGE. WINDS WILL PREDOMINATELY BE OUT OF THE WEST TO SOUTHWEST AT
8 TO 12 MPH WITH SOME GUSTS TO 20 MPH. WITH GOOD MIXING AND A WEAK
PRESSURE GRADIENT OVER THE AREA...WINDS COULD BE VARIABLE AT 15
MPH AT TIMES DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........72 AT IGNITION...MAX 77.
RH..................22 PERCENT AT IGNITION...MIN 15 PERCENT.
WIND (20 FT)........WINDS WEST 8 TO 12 MPH WITH GUSTS TO 20 MPH.
                    VARIABLE AT TIMES DURING THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5500 TO 6500 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 48.
RH..................MAX 58 PERCENT.
WIND (20 FT)........WEST WINDS 4 TO 8 MPH IN THE EVENING BECOMING
                    LIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 5 MPH.
SMOKE DISPERSAL.....POOR.

.MONDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 78.
RH..................MIN 22 PERCENT.
WIND (20 FT)........SOUTHEAST 8 TO 14 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 TO 6000 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 12 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...SR
REQUESTED BY...RYAN LARSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100912.FTMEA.01/UNR