FNUS73 KMPX 061218
FWSMPX

SPOT FORECAST FOR GREY CLOUD DUNES SNA...MNDNR
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
718 AM CDT FRI MAY 6 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK RIDGE OF HIGH PRESSURE THAT WAS CENTERED ACROSS MINNESOTA
EARLY THIS MORNING...WILL MOVE SOUTHEAST WITH AN AREA OF LOW
PRESSURE DEVELOPING ACROSS SOUTH DAKOTA. MOST AREA WILL REMAIN
DRY TODAY. HOWEVER...AN ISOLATED SHOWER IS POSSIBLE AROUND LADYSMITH
BY THE AFTERNOON...AND IN FAR WEST CENTRAL MINNESOTA AFTER 4 PM DUE
TO WEAK INSTABILITY.

THE AREA OF LOW PRESSURE ACROSS SOUTH DAKOTA THIS AFTERNOON WILL
MOVE EAST-SOUTHEAST ACROSS SOUTHERN MINNESOTA OVERNIGHT AND
INCREASE THE CHANCE OF PRECIPITATION.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........65 AT IGNITION...MAX 70.
RH..................34 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS WEST AT 6 MPH AT IGNITION...OTHERWISE
                    LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE
                    IN THE MORNING.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO GOOD (1300-46600) INCREASING TO
                    EXCELLENT (62500-106800) LATE IN THE
                    MORNING...THEN DECREASING TO GOOD (50300) LATE
                    IN THE AFTERNOON.
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 9600-10900 FT
                    AGL.
MIXING WINDS........WEST 7 TO 14 MPH.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
SKY (%).........PCLDY  PCLDY  MCLDY  MCLDY  MCLDY  MCLDY
WEATHER COV.....                            CHANCE CHANCE
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TEMP............59     65     68     69     67     60
RH..............44     34     29     28     30     42
20 FT WIND......W 4    W 5    W 5    SW 5   S 4    SE 4
20 FT WIND GUST.5      10     10     10     5      5
HAINES INDEX....5      4      5      5      5      5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    CHANCE OF RAIN SHOWERS. CHANCE OF RAIN 40
                    PERCENT.
TEMPERATURE.........MIN 46.
RH..................MAX 89 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR TO GOOD (2200-39200).
MIXING HEIGHT.......9000 FT AGL DECREASING TO 300-900 FT AGL.
MIXING WINDS........SOUTHWEST 6 TO 7 MPH SHIFTING TO THE SOUTHEAST
                    9 TO 12 MPH EARLY IN THE EVENING.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY. CHANCE OF RAIN 40 PERCENT.
TEMPERATURE.........MAX 64.
RH..................MIN 50 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (4700-41300) INCREASING TO GOOD TO
                    EXCELLENT (45400-79500) IN THE LATE MORNING AND
                    EARLY AFTERNOON...THEN DECREASING TO FAIR
                    (14000-26800) LATE IN THE AFTERNOON.
MIXING HEIGHT.......500-2300 FT AGL INCREASING TO 5400-6200 FT AGL.
MIXING WINDS........EAST 13 TO 21 MPH SHIFTING TO THE SOUTHEAST 16
                    TO 24 MPH IN THE LATE MORNING AND EARLY
                    AFTERNOON...THEN BECOMING EAST 3 TO 10 MPH
                    EARLY IN THE AFTERNOON.

$$
FORECASTER...MCQUIRTER
REQUESTED BY...STEVE WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110506.GREYC.01/MPX