FNUS73 KMPX 021345
FWSMPX

SPOT FORECAST FOR GRANDOKKEN-SAVANNA...USFWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
845 AM CDT SAT MAY 2 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MAINLY SUNNY SKIES SHOULD PREVAIL ACROSS THE BURN SITE THROUGH THE
MORNING...WITH SCATTERED TO BROKEN CLOUD COVER DEVELOPING BY THE AFTERNOON.
MINIMUM HUMIDITY VALUES THIS AFTERNOON WILL DROP TO 25 TO 30 PERCENT. WINDS
ARE EXPECTED TO BE MAINLY WEST...AT BRIEF TIMES ATTAINING A SLIGHT NORTHWEST
COMPONENT. BY THE AFTERNOON...DIRECTIONS WILL BE VARYING BETWEEN 260 AND 290
DEGREES...MAY BE JUST ENOUGH OF A NORTHERLY COMPONENT TO CARRY SMOKE AWAY
FROM HIGHWAY...THOUGH IT WILL BE CLOSE. SPEEDS WILL BE AT 15 TO 20 MPH THIS
AFTERNOON WITH OCCASIONAL GUSTS TO 28 MPH. SUNDAY WILL BRING SIMILAR DRYNESS
BUT LESS WINDS AS HIGH PRESSURE MOVES OVERHEAD.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........54 AT IGNITION...MAX 60.
RH..................34 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS WEST AT 16 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 15 TO 20 MPH.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO GOOD (2500-33000) INCREASING TO
                    EXCELLENT (239700-258900).
MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 9500-10800 FT
                    AGL.
MIXING WINDS........WEST 14 TO 22 MPH INCREASING TO 26 TO 33 MPH
                    LATE IN THE MORNING.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
SKY (%).........PCLDY  MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
WEATHER COV.....              ISOLTD ISOLTD ISOLTD
WEATHER TYPE....NONE   NONE   RNSHWR RNSHWR RNSHWR NONE
TEMP............47     54     58     60     59     54
RH..............48     34     29     27     29     36
20 FT WIND......W 11   W 14   W 17   W 18   W 15   W 10
20 FT WIND GUST.20     25     25     27     25     15
HAINES INDEX....5      5      5      5      5      5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 37.
RH..................MAX 76 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 13 MPH IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING NORTHWEST AROUND
                    5 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....EXCELLENT (216500) DECREASING TO POOR
                    (1500-3400).
MIXING HEIGHT.......8800 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........WEST 23 TO 32 MPH BECOMING NORTHWEST 8 TO 12
                    MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 63.
RH..................MIN 27 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 11 MPH.
HAINES INDEX........3 TO 4 OR OR VERY LOW TO OR LOW.
SMOKE DISPERSAL.....POOR TO GOOD (2500-51600) INCREASING TO GOOD TO
                    EXCELLENT (57500-88200) IN THE LATE MORNING AND
                    AFTERNOON.
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 7000-7600 FT AGL.
MIXING WINDS........NORTHWEST 14 TO 15 MPH.

$$
FORECASTER...GRIESINGER
REQUESTED BY...TROY BOSCHEE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090502.GRAND.01/MPX