FNUS73 KLOT 251331 FWSLOT SPOT FORECAST FOR MNOKE PRAIRIE RESEARCH PLOTS...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 831 AM CDT WED MAR 25 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MARCH 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WITH A BROAD AREA OF LOW PRESSURE OVER NORTHERN MINNESOTA...WINDS ARE EXPECTED TO REMAIN OUT OF THE SOUTHWEST THROUGH THE DAY TODAY BUT BECOME GUSTY TO AROUND 20 KNOTS THIS AFTERNOON. AN APPROXIMATE 2.5 KFT CLOUD DECK CURRENTLY OVER NORTHWEST ILLINOIS IS EXPECTED TO MOVE EASTWARD INTO NORTHWEST INDIANA THIS AFTERNOON BUT MAY STAY FURTHER NORTH. DEW POINTS ARE ALSO EXPECTED TO GRADUALLY DIMINISH THROUGH THE DAY AS WELL AS COLDER AIR MOVES INTO THE REGION. .TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........49 AT IGNITION...MAX 51. RH..................61 PERCENT AT IGNITION...MIN 53 PERCENT. WIND (20 FT)........WINDS SOUTHWEST AT 15 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 10 TO 15 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300 FT AGL INCREASING TO 500 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 800 FT AGL EARLY IN THE MORNING INCREASING TO 1300 FT AGL LATE IN THE MORNING INCREASING TO 1900 FT AGL INCREASING TO 2500 FT AGL AT IGNITION...OTHERWISE 2500 FT AGL LATE IN THE MORNING INCREASING TO 3100 FT AGL INCREASING TO 3700 FT AGL EARLY IN THE AFTERNOON INCREASING TO 4000 FT AGL DECREASING TO 3900 FT AGL LATE IN THE AFTERNOON DECREASING TO 2900 FT AGL DECREASING TO 1400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 23 TO 30 MPH. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........52 51 51 51 51 51 52 WEATHER COV..... WEATHER TYPE.... TEMP............49 50 51 51 51 50 49 RH..............61 58 56 53 53 53 54 20 FT WIND DIR..220 220 230 230 230 230 240 20 FT WIND SPD..12 12 12 12 11 10 9 20 FT WIND GUST.25 25 25 25 25 20 20 MIX HGT (KFT)...2.5 3.1 3.7 4.0 3.9 2.9 1.4 TRANSP WIND DIR.220 220 220 230 230 230 240 TRANSP WIND SPD.29 30 29 28 25 25 25 CWR.............10 10 10 10 10 10 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. TEMPERATURE.........MIN 34. RH..................MAX 95 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH IN THE EVENING BECOMING LIGHT. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300 FT AGL DECREASING TO 0 FT AGL EARLY IN THE EVENING...THEN INCREASING TO 100 FT AGL EARLY IN THE EVENING INCREASING TO 300 FT AGL LATE IN THE EVENING DECREASING TO 200 FT AGL INCREASING TO 300 FT AGL LATE IN THE EVENING DECREASING TO 200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 15 TO 24 MPH DECREASING TO 6 TO 13 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........53 53 54 55 54 53 52 51 50 49 50 50 WEATHER COV..... WEATHER TYPE.... TEMP............46 44 42 41 40 39 38 37 36 36 36 35 RH..............59 65 69 72 76 80 84 89 91 92 94 95 20 FT WIND DIR..240 240 230 230 220 180 170 170 190 210 220 240 20 FT WIND SPD..8 7 6 5 5 3 2 2 2 2 2 2 20 FT WIND GUST.15 15 10 10 10 5 5 5 5 MIX HGT (KFT)...0.3 0.1 0.1 0.3 0.2 0.3 0.3 0.3 0.3 0.3 0.2 0.2 TRANSP WIND DIR.240 240 240 230 220 190 170 180 200 210 220 230 TRANSP WIND SPD.24 22 18 15 13 10 9 8 7 6 6 6 CWR.............10 10 10 10 10 10 10 10 10 10 10 10 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........MAX 52. RH..................MIN 50 PERCENT. WIND (20 FT)........LIGHT WINDS. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300 FT AGL INCREASING TO 500 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 800 FT AGL EARLY IN THE MORNING INCREASING TO 1200 FT AGL LATE IN THE MORNING INCREASING TO 1700 FT AGL INCREASING TO 2100 FT AGL LATE IN THE MORNING INCREASING TO 2400 FT AGL DECREASING TO 2300 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2000 FT AGL DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON DECREASING TO 1200 FT AGL DECREASING TO 700 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 2 TO 9 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........51 52 53 53 54 55 56 58 60 62 64 66 WEATHER COV..... WEATHER TYPE.... TEMP............35 37 40 43 46 48 49 51 51 51 51 50 RH..............96 92 81 71 64 58 55 52 50 50 50 51 20 FT WIND DIR..240 230 200 180 150 120 110 100 090 080 070 060 20 FT WIND SPD..2 2 1 1 1 1 1 1 2 2 3 3 20 FT WIND GUST. 5 5 5 5 MIX HGT (KFT)...0.3 0.5 0.8 1.2 1.7 2.1 2.4 2.3 2.0 1.6 1.2 0.7 TRANSP WIND DIR.240 240 230 220 240 280 300 330 020 050 050 050 TRANSP WIND SPD.6 6 5 5 3 3 3 2 3 3 6 9 CWR.............10 10 10 10 10 10 10 10 10 10 10 10 $$ FORECASTER...HALBACH REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20090325.MNOKE.01/LOT