FNUS73 KMPX 121230
FWSMPX

SPOT FORECAST FOR SWANSON...U.S. FISH & WILDLIFE SERVICE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
730 AM CDT THU APR 12 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL CENTER ITSELF OVER THE OHIO VALLEY...LEADING TO
A WARMER SOUTHERLY FLOW TODAY. PLENTY OF SUNSHINE THROUGH MOST OF
THE DAY WITH RH VALUES DOWN IN THE 25 TO 30 PERCENT RANGE. WINDS
WILL BE NO HIGHER THAN 10 MPH THROUGH THE DAY. CLOUDS WILL GRADUALLY
INCREASE LATE THIS AFTERNOON THROUGH TONIGHT AS A STORM SYSTEM
ARRIVES FROM THE PLAINS TONIGHT. TODAY WILL BE THE LAST RAIN-FREE
DAY FOR AT LEAST THE NEXT SEVERAL DAYS AS SEVERAL DISTURBANCES WILL
PROGRESS THROUGH THE REGION...BRINGING PERIODS OF SHOWERS AND POSSIBLY
A FEW THUNDERSTORMS FRIDAY THROUGH THE WEEKEND.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. AREAS OF FROST EARLY IN THE
                    MORNING.
TEMPERATURE.........41 AT IGNITION...MAX 60.
RH..................52 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 9 MPH AT
                    IGNITION...OTHERWISE SOUTHEAST WINDS 8 TO 13
                    MPH.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....POOR TO GOOD (2400-52300) INCREASING TO
                    EXCELLENT (67100-74400) IN THE AFTERNOON.
MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 4100-4800 FT AGL.
MIXING WINDS........SOUTH 13 TO 22 MPH INCREASING TO AROUND 23 MPH
                    LATE IN THE AFTERNOON.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........MCR MCR MCR PC  PC  PC  PC  PC  MC  MC  MC  MC
WEATHER COV.....ARS ARS
WEATHER TYPE....FST FST
TEMP............31  36  41  47  51  54  56  58  59  59  60  59
RH..............72  61  52  43  37  35  34  33  33  33  33  34
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..6   7   8   10  11  11  12  12  12  12  12  12
20 FT WIND GUST.10  10  15  15  20  20  20  20  20  20  20  20
HAINES INDEX....3   3   4   4   4   4   4   4   3   3   3   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
                    EVENING. ISOLATED THUNDERSTORMS THROUGH THE
                    NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT.
                    CHANCE OF RAIN 70 PERCENT.
TEMPERATURE.........MIN 44.
RH..................MAX 89 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 13 MPH WITH GUSTS TO
                    AROUND 20 MPH.

.FRIDAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING.
                    CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CHANCE
                    OF RAIN 60 PERCENT.
TEMPERATURE.........MAX 58.
RH..................MIN 72 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 13 MPH.
HAINES INDEX........2 TO 3 OR OR VERY LOW.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (17600-61900).
MIXING HEIGHT.......1400-3300 FT AGL DECREASING TO 1300 FT AGL LATE
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 23 TO 31 MPH DECREASING TO 18 TO 21 MPH
                    IN THE AFTERNOON.

$$
FORECASTER...WFO MPX
REQUESTED BY...JARED CULBERTSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20120412.SWANS.01/MPX


SKY (%) LEGEND
CLR = CLEAR
MCR = MOSTLY CLEAR
PC = PARTLY CLOUDY
MC = MOSTLY CLOUDY
CDY = CLOUDY