FNUS73 KLOT 151353 FWSLOT SPOT FORECAST FOR NELSON HOUSE PILES...INDIANA DUNES NATIONAL LAKESHORE NATIONAL WEATHER SERVICE CHICAGO IL 853 AM CDT WED APR 15 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A BROAD RIDGE OF HIGH PRESSURE CURRENTLY OVER SOUTHEAST CANADA WILL DROP SOUTH ACROSS THE GREAT LAKES TONIGHT HELPING TO CLEAR OUT ANY REMAINING CLOUD COVER BY LATE THIS EVENING. WINDS WILL GRADUALLY SHIFT FROM NORTHERLY TO NORTH-NORTHEASTERLY THIS EVENING AND THEN EASTERLY BY THURSDAY MORNING AS THE CENTER OF HIGH PRESSURE DROPS SOUTH. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY. TEMPERATURE.........44 AT IGNITION...MAX 48. RH..................66 PERCENT AT IGNITION...MIN 55 PERCENT. WIND (20 FT)........WINDS NORTHEAST AT 10 MPH AT IGNITION...OTHERWISE NORTH WINDS 7 TO 11 MPH. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......700 FT AGL INCREASING TO 900 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1200 FT AGL EARLY IN THE MORNING INCREASING TO 1400 FT AGL AT IGNITION...OTHERWISE 1400 FT AGL LATE IN THE MORNING INCREASING TO 1500 FT AGL DECREASING TO 1400 FT AGL LATE IN THE MORNING DECREASING TO 1300 FT AGL DECREASING TO 1100 FT AGL EARLY IN THE AFTERNOON DECREASING TO 900 FT AGL DECREASING TO 700 FT AGL LATE IN THE AFTERNOON DECREASING TO 500 FT AGL DECREASING TO 400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTH 20 TO 24 MPH. SMOKE DISPERSAL.....POOR /29800 KNOT-FT/ AT IGNITION. MAX...POOR /30100 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........75 67 59 51 43 35 27 18 10 WEATHER COV..... WEATHER TYPE.... TEMP............44 45 46 47 47 47 47 47 45 RH..............66 62 59 58 57 56 55 56 58 20 FT WIND DIR..030 020 010 010 000 000 350 000 020 20 FT WIND SPD..8 8 8 7 7 6 6 6 6 20 FT WIND GUST.15 15 15 15 15 15 15 10 10 MIX HGT (KFT)...1.4 1.5 1.4 1.3 1.1 0.9 0.7 0.5 0.4 TRANSP WIND DIR.010 010 010 010 010 010 010 010 000 TRANSP WIND SPD.24 24 24 23 23 23 23 21 20 CWR.............0 0 0 0 0 0 0 0 0 VRATE KT-FT/100030 30 28 25 21 17 13 10 6 .TONIGHT... SKY/WEATHER.........CLEAR. TEMPERATURE.........MIN 40. RH..................MAX 69 PERCENT. WIND (20 FT)........EAST WINDS 5 TO 7 MPH BECOMING LIGHT. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......300 FT AGL DECREASING TO 200 FT AGL EARLY IN THE EVENING...THEN INCREASING TO 300 FT AGL IN THE LATE EVENING AND EARLY MORNING DECREASING TO 100 FT AGL EARLY IN THE MORNING. TRANSPORT WINDS.....EAST 12 TO 20 MPH DECREASING TO AROUND 9 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR (600-4100 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........2 1 1 1 1 0 0 0 0 0 0 0 WEATHER COV..... WEATHER TYPE.... TEMP............44 43 41 41 41 41 42 42 41 41 40 40 RH..............61 64 66 68 67 66 66 67 67 68 69 69 20 FT WIND DIR..020 010 020 040 050 070 070 080 080 080 090 090 20 FT WIND SPD..6 6 6 6 6 6 6 5 5 5 4 3 20 FT WIND GUST.10 15 15 15 15 15 15 10 10 10 5 5 MIX HGT (KFT)...0.3 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.1 0.1 TRANSP WIND DIR.000 010 030 040 050 060 070 070 080 080 080 090 TRANSP WIND SPD.18 18 18 20 20 18 18 17 15 14 12 9 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/10004 3 4 4 4 4 4 4 3 3 2 1 .THURSDAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........MAX 59. RH..................MIN 41 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH IN THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......300 FT AGL INCREASING TO 800 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1500 FT AGL EARLY IN THE MORNING INCREASING TO 2200 FT AGL LATE IN THE MORNING INCREASING TO 2700 FT AGL INCREASING TO 3000 FT AGL LATE IN THE MORNING INCREASING TO 3200 FT AGL INCREASING TO 3400 FT AGL EARLY IN THE AFTERNOON DECREASING TO 3200 FT AGL DECREASING TO 2900 FT AGL LATE IN THE AFTERNOON DECREASING TO 2200 FT AGL DECREASING TO 1300 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 8 TO 13 MPH. SMOKE DISPERSAL.....POOR (1900-34100 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........0 0 0 0 0 0 0 0 0 0 0 0 WEATHER COV..... WEATHER TYPE.... TEMP............41 45 50 54 56 56 57 57 58 57 55 53 RH..............66 58 51 45 43 42 41 41 41 42 44 48 20 FT WIND DIR..090 090 090 080 080 070 070 070 060 050 050 040 20 FT WIND SPD..3 3 3 3 3 3 3 4 4 4 5 5 20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 MIX HGT (KFT)...0.3 0.8 1.5 2.2 2.7 3.0 3.2 3.4 3.2 2.9 2.2 1.3 TRANSP WIND DIR.090 090 100 100 100 090 080 080 070 070 060 050 TRANSP WIND SPD.8 9 9 10 10 12 12 12 12 13 13 13 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/10002 7 15 22 27 30 32 34 34 31 24 14 $$ FORECASTER...KREIN REQUESTED BY...MARYELLEN LOTHSCHUTZ TYPE OF REQUEST...PRESCRIBED .TAG 20090415.NELSO.01/LOT