FNUS73 KMPX 041452
FWSMPX

SPOT FORECAST FOR LOWER SIOUX PRAIRIE...BIA
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
952 AM CDT SAT SEP 4 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE AREA WILL BE JUST TO THE NORTH OF A RIDGE OF HIGH PRESSURE CENTERED OVER IOWA
TODAY...WHICH WILL RESULT IN MOSTLY SUNNY SKIES AND NORTHWEST WINDS UNDER
10 MPH AT THE IGNITION SITE. MINIMUM RELATIVE HUMIDITY VALUES WILL LOWER TO
AROUND 50 PERCENT THIS AFTERNOON. LIGHT WINDS AND MOSTLY CLEAR CONDITIONS ARE
EXPECTED TONIGHT INTO SUNDAY...ALONG WITH A SHIFT TO WINDS OUT OF THE
EAST-SOUTHEAST FOR SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........61 AT IGNITION...MAX 67.
RH..................54 PERCENT AT IGNITION...MIN 49 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 7 MPH AT
                    IGNITION...OTHERWISE NORTHWEST WINDS 5 TO 7
                    MPH.
SMOKE DISPERSAL.....POOR TO GOOD (2000-36400) INCREASING TO GOOD TO
                    EXCELLENT (36800-71500) LATE IN THE
                    MORNING...THEN DECREASING TO FAIR (15700) LATE
                    IN THE AFTERNOON.
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 3500-4900 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO
                    6300-6400 FT AGL EARLY IN THE AFTERNOON
                    DECREASING TO 4400 FT AGL LATE IN THE AFTERNOON
                    DECREASING TO 2300 FT AGL.
MIXING WINDS........NORTHWEST 9 TO 15 MPH.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............55     61     65     67     65     59
RH..............66     54     50     50     56     69
20 FT WIND......NW 6   NW 6   NW 6   NW 5   NW 5   N 3
20 FT WIND GUST.10     10     10     10     10     5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 45.
RH..................MAX 100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH EARLY IN
                    THE MORNING.
SMOKE DISPERSAL.....POOR (500-1600).

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY.

$$
FORECASTER...SCHMIT
REQUESTED BY...MARTY CASSELLIUS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100904.LOWER.01/MPX