FNUS73 KMPX 131430 FWSMPX SPOT FORECAST FOR FLORIDA SLOUGH NE...USFWS NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 930 AM CDT MON APR 13 2009 FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON APRIL 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WEAK DISTURBANCE PASSING OVER THE STATE THIS MORNING HAS LED TO MAINLY CLOUDY SKIES TO START OUT THE DAY. THERE IS A CLEARING ACROSS EASTERN SOUTH DAKOTA THAT WILL BE WORKING ITS WAY TOWARD THE BURN AREA LATE THIS MORNING. BY IGNITION TIME SKIES SHOULD BE MOSTLY CLEAR. WITH A RIDGE OF HIGH PRESSURE BUILDING IN FROM THE NORTHEAST...WINDS WILL REMAIN MAINLY UNDER 10 MPH AND BE OUT OF THE SOUTH TO SOUTHEAST. WITH DRY AIRMASS IN PLACE WILL SEE RELATIVE HUMIDITIES WILL DROP TO 20 TO 25 PERCENT BY THE AFTERNOON. .TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........61 AT IGNITION...MAX 61. RH..................24 PERCENT AT IGNITION...MIN 22 PERCENT. WIND (20 FT)........WINDS SOUTH AT 10 MPH AT IGNITION...WINDS BECOMING SOUTHEAST AROUND 5 MPH AFTER SUNSET. HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5. SMOKE DISPERSAL.....POOR TO GOOD (700-48400). MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 7800-9300 FT AGL. MIXING WINDS........SOUTHEAST 3 TO 7 MPH. TIME (CDT) 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM SKY (%).........PC PC PC PC PC PC PC PC PC PC PC PC WEATHER COV..... WEATHER TYPE.... TEMP............59 60 61 61 60 58 53 50 47 45 43 41 RH..............30 27 24 22 23 26 32 39 47 53 57 62 20 FT WIND DIR..S S S S SE SE SE SE SE SE SE SE 20 FT WIND SPD..8 8 7 6 5 5 5 5 4 4 4 4 20 FT WIND GUST.10 10 10 10 10 10 10 5 5 5 5 HAINES INDEX....5 5 5 5 5 5 5 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........MIN 33. RH..................MAX 78 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. SMOKE DISPERSAL.....POOR TO GOOD (900-34100). MIXING HEIGHT.......7800 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........SOUTHEAST 5 TO 9 MPH. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........MAX 62. RH..................MIN 25 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH EARLY IN THE MORNING. HAINES INDEX........4 TO 5 OR OR LOW TO OR MODERATE. SMOKE DISPERSAL.....POOR TO GOOD (1100-49600) INCREASING TO GOOD (51400-52100) LATE IN THE AFTERNOON. MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 5400-7100 FT AGL. MIXING WINDS........SOUTHEAST 6 TO 12 MPH. $$ FORECASTER...GRIESINGER REQUESTED BY...USFWS LITCHFIELD WMD TYPE OF REQUEST...PRESCRIBED .TAG 20090413.FLORI.01/MPX SKY (%) LEGEND CLR = CLEAR MCR = MOSTLY CLEAR PC = PARTLY CLOUDY MC = MOSTLY CLOUDY CDY = CLOUDY