FNUS73 KMPX 091223
FWSMPX

SPOT FORECAST FOR BIG STONE...USFWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
723 AM CDT FRI APR 9 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A COLD FRONT MOVING ACROSS THE DAKOTAS WILL BE THE MAIN WEATHER
CONCERN TODAY AS IT MOVES INTO WESTERN MN THIS AFTERNOON. MOISTURE IS
LIMITED WITH THIS FRONT...SO ONLY A SLIGHT INCREASE IN CLOUD COVER IS
EXPECTED THIS AFTERNOON. WITH HIGHS GETTING INTO THE LOW 60S...AFTERNOON
HUMIDITIES WILL DROP TO AROUND 30 PERCENT...DESPITE THE WEAK MOISTURE RETURN
OUT AHEAD OF THE FRONT. FOR WINDS...SOUTHEAST WINDS THIS MORNING WILL TURN
TO THE SOUTH BY NOON...WITH SOUTHWEST WINDS FOR THE AFTERNOON. SPEEDS WILL BE
INCREASING TO AROUND 10 MPH WITH GUSTS TO 20 MPH. THE FRONT AND ITS ATTENDANT
WIND SHIFT TO THE WNW IS EXPECTED AROUND 6 PM.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
                    TEMPERATURE.........48 AT IGNITION...MAX 61.
                    MIN HUMIDITY........47 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 8 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 6 TO 11 MPH.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO GOOD (3000-52700) INCREASING TO
                    EXCELLENT (69100-78900) IN THE AFTERNOON.
MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 5500-7100 FT AGL.
MIXING WINDS........WEST 15 TO 21 MPH.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............37     48     55     59     60     60
RH..............67     47     40     34     33     33
20 FT WIND......SE 6   S 7    SW 8   SW 9   W 10   W 9
20 FT WIND GUST.10     10     10     15     15     15
HAINES INDEX....5      5      4      4      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....35.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH BECOMING LIGHT.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (29600-78000) DECREASING TO
                    POOR (1600-3400) IN THE LATE EVENING AND
                    OVERNIGHT.
MIXING HEIGHT.......4000-5900 FT AGL DECREASING TO 300-2100 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........NORTHWEST 10 TO 18 MPH SHIFTING TO THE WEST
                    AROUND 8 MPH EARLY IN THE MORNING.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....60.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 7 TO 12 MPH EARLY IN
                    THE MORNING.

$$
FORECASTER...GRIESINGER
REQUESTED BY...SETH GRIMM
TYPE OF REQUEST...PRESCRIBED
.TAG 20100409.BIGST.01/MPX