FNUS73 KLOT 011354 FWSLOT SPOT FORECAST FOR ORIENTAL BITTERSWEET RESEARCH...NPS NATIONAL WEATHER SERVICE CHICAGO IL 854 AM CDT THU APR 1 2010 FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN AREA OF LOW PRESSURE LOCATED IN THE CENTRAL PLAINS WILL HELP MAINTAIN SOUTHERLY WINDS ACROSS NORTHEAST ILLINOIS AND NORTHWEST INDIANA TODAY. WITH THIS WIND REGIME...SURFACE DEWPOINTS WILL REMAIN IN THE MID TO UPPER 40S. AS WE PROGRESS THROUGH THE DAY...WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. SIMILAR CONDITIONS ARE FORECAST ON FRIDAY...WITH THE EXCEPTION OF AN INCREASE IN CLOUD COVER BY LATE IN THE DAY AS WELL AS INCREASED CHANCES FOR SHOWERS AND THUNDERSTORMS EARLY SATURDAY MORNING. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........65 AT IGNITION...MAX 81. MIN HUMIDITY........61 PERCENT AT IGNITION...MIN 41 PERCENT. WIND (20 FT)........WINDS SOUTH AT 10 MPH AT IGNITION...OTHERWISE SOUTH WINDS 9 TO 17 MPH. GUSTS UP TO 30 MPH. MIXING HEIGHT.......900 FT AGL AT IGNITION...OTHERWISE 300-600 FT AGL INCREASING TO 900 FT AGL AT IGNITION...OTHERWISE 900-1300 FT AGL LATE IN THE MORNING...THEN INCREASING TO 1800-2100 FT AGL INCREASING TO 1900-2300 FT AGL IN THE AFTERNOON DECREASING TO 1600 FT AGL. TRANSPORT WINDS.....SOUTH 20 TO 28 MPH INCREASING TO 31 TO 36 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR /16000 KNOT-FT/ AT IGNITION. MAX...GOOD /63600 KNOT-FT/. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........23 22 21 21 20 19 18 18 18 17 WEATHER COV..... WEATHER TYPE.... TEMP............60 65 69 73 76 79 80 80 79 77 RH..............61 53 48 45 42 41 41 41 42 45 20 FT WIND DIR..180 170 180 180 190 190 190 190 190 180 20 FT WIND SPD..8 7 8 9 10 11 12 14 13 12 20 FT WIND GUST.15 15 15 20 20 25 25 30 30 30 MIX HGT (KFT)...0.6 0.9 1.3 1.8 2.1 2.3 2.3 2.1 1.9 1.6 TRANSP WIND DIR.190 190 190 190 190 190 190 190 190 190 TRANSP WIND SPD.21 22 23 25 28 31 33 36 36 35 VRATE KT-FT/100010 16 27 39 50 59 64 64 58 48 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....52. MAX HUMIDITY........79 PERCENT. WIND (20 FT)........SOUTH WINDS 13 TO 14 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......1000-1300 FT AGL DECREASING TO 200 FT AGL. TRANSPORT WINDS.....SOUTH 29 TO 33 MPH. SMOKE DISPERSAL.....POOR (5400-37700 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........17 17 17 17 17 17 17 17 17 17 17 17 WEATHER COV..... WEATHER TYPE.... TEMP............75 72 69 66 64 63 61 60 58 56 54 52 RH..............48 51 54 57 59 60 62 65 68 71 74 79 20 FT WIND DIR..180 180 190 190 190 200 200 200 200 200 200 190 20 FT WIND SPD..11 11 11 11 11 11 11 11 11 10 10 10 20 FT WIND GUST.25 25 25 20 20 20 20 20 20 20 20 20 MIX HGT (KFT)...1.3 1.0 0.7 0.5 0.4 0.3 0.3 0.3 0.3 0.3 0.2 0.2 TRANSP WIND DIR.180 190 190 190 190 200 200 200 200 200 200 190 TRANSP WIND SPD.33 33 33 33 33 33 33 32 31 31 30 29 VRATE KT-FT/100038 29 21 15 11 10 9 8 8 7 6 5 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....78. WIND (20 FT)........SOUTH WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 30 MPH. MIXING HEIGHT.......300-600 FT AGL INCREASING TO 900-1100 FT AGL LATE IN THE MORNING...THEN INCREASING TO 1500-1700 FT AGL INCREASING TO 2100-2400 FT AGL EARLY IN THE AFTERNOON DECREASING TO 1800 FT AGL DECREASING TO 1000 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 29 TO 36 MPH. SMOKE DISPERSAL.....POOR TO GOOD (6400-69700 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........17 17 18 18 19 19 19 19 19 18 18 17 WEATHER COV..... WEATHER TYPE.... TEMP............52 55 60 65 69 74 77 78 78 78 76 74 20 FT WIND DIR..190 190 190 190 190 190 190 190 190 190 180 170 20 FT WIND SPD..10 10 10 11 12 13 13 14 14 14 14 14 20 FT WIND GUST.20 20 25 25 25 25 30 30 30 30 30 25 MIX HGT (KFT)...0.3 0.4 0.6 0.9 1.1 1.5 1.7 2.1 2.4 2.3 1.8 1.0 TRANSP WIND DIR.190 190 190 190 190 190 190 190 190 190 190 180 TRANSP WIND SPD.29 29 30 31 32 33 35 36 36 36 36 36 VRATE KT-FT/10006 10 15 22 31 40 50 61 70 70 53 31 $$ FORECASTER...RATZER/RODRIGUEZ REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20100401.ORIEN.01/LOT