FNUS73 KLOT 011252 FWSLOT SPOT FORECAST FOR TOLLESTON DUNES UNITS 7 8...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 752 AM CDT WED MAY 1 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SOUTH TO SOUTHEAST 20FT WINDS AT AROUND 10 MPH WILL PERSIST THROUGH THE DAY TODAY. UNDER AMPLE SUNSHINE...LOW LEVEL MIXING WILL ALLOW FOR RAPID RISES IN THE MIXING HEIGHT THROUGH THE MORNING...WITH SFC TEMPERATURE EXPECTED TO RISE INTO THE MIDDLE 70S BY IGNITION TIME AND TO THE LOWER TO MIDDLE 80S THIS AFTERNOON. NO LAKE BREEZE DEVELOPMENT OR PCPN IS EXPECTED TODAY. .TODAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........75 AT IGNITION...MAX 81. RH..................50 PERCENT AT IGNITION...MIN 38 PERCENT. WIND (20 FT)........WINDS SOUTH AT 8 MPH AT IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 10 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......500-1500 FT AGL INCREASING TO 6000-7000 FT AGL. TRANSPORT WINDS.....SOUTH 18 TO 23 MPH. MIXING TEMP 1700FT..78. SMOKE DISPERSAL.....FAIR /54000 KNOT-FT/ AT IGNITION. MAX...VERY GOOD /136000 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........9 9 10 11 13 14 15 14 12 WEATHER COV..... WEATHER TYPE.... TEMP............75 78 80 81 81 81 81 81 79 RH..............50 43 41 38 38 38 38 38 41 20FT WIND DIR...180 180 170 170 170 170 170 160 150 20FT SPEED(MPH).6 6 6 7 9 9 9 8 6 20FT SPEED(KT)..6 6 6 6 8 8 8 7 6 20FT GUST(MPH)..13 14 14 16 17 17 16 15 13 20FT GUST(KT)...11 12 12 14 15 15 14 13 11 MIX HGT (KFT)...3.5 4.0 4.5 5.0 5.5 6.0 7.0 6.5 6.0 TRANSP WIND DIR.190 190 180 180 180 180 180 180 170 TRANSP WIND SPD.18 20 21 22 22 23 23 22 20 CWR.............0 0 0 10 10 10 10 10 10 VRATE KT-FT/100054 64 76 90 107 123 136 123 107 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. TEMPERATURE.........MIN 53. RH..................MAX 96 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......4000-6000 FT AGL DECREASING TO 500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 12 TO 21 MPH DECREASING TO AROUND 10 MPH EARLY IN THE MORNING. MIXING TEMP 1700FT..MISSING. SMOKE DISPERSAL.....POOR TO GOOD (2500-94000 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........10 13 16 19 22 25 29 31 33 36 38 40 WEATHER COV..... WEATHER TYPE.... TEMP............77 74 71 68 65 62 60 58 56 54 53 53 RH..............43 48 53 59 65 72 75 80 86 93 96 96 20FT WIND DIR...140 130 120 110 120 120 130 120 120 120 130 150 20FT SPEED(MPH).6 5 4 3 3 3 3 3 3 3 3 4 20FT SPEED(KT)..5 4 3 3 3 3 3 3 3 3 3 3 20FT GUST(MPH)..12 9 8 6 5 5 6 6 7 7 7 8 20FT GUST(KT)...10 8 7 5 4 4 5 5 6 6 6 7 MIX HGT (KFT)...6.0 4.0 2.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 TRANSP WIND DIR.170 170 180 180 190 200 200 200 210 210 210 210 TRANSP WIND SPD.18 18 18 20 20 21 20 18 15 13 12 10 CWR.............10 10 10 10 10 10 10 10 10 10 10 10 VRATE KT-FT/100094 63 34 4 5 5 5 4 4 3 3 3 .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. TEMPERATURE.........MAX 65. RH..................MIN 63 PERCENT. WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING NORTH 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......500-1500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 3 TO 9 MPH SHIFTING TO THE NORTH 7 TO 13 MPH. MIXING TEMP 1700FT..77. SMOKE DISPERSAL.....POOR TO POOR (2000-7500 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........43 44 46 47 49 50 52 58 64 70 76 82 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............54 58 63 65 64 60 56 52 50 49 48 47 RH..............93 80 67 63 65 75 83 93 96 96 96 100 20FT WIND DIR...160 160 150 150 120 060 030 020 000 000 350 350 20FT SPEED(MPH).5 4 2 2 2 3 5 5 5 6 6 7 20FT SPEED(KT)..4 3 2 1 2 3 4 4 4 5 6 6 20FT GUST(MPH)..8 9 9 9 9 8 8 9 12 14 14 15 20FT GUST(KT)...7 8 8 8 8 7 7 8 10 12 12 13 MIX HGT (KFT)...0.5 0.5 0.5 0.5 1.0 1.0 1.5 1.0 1.0 1.0 0.5 0.5 TRANSP WIND DIR.210 210 200 200 200 190 190 220 290 330 340 000 TRANSP WIND SPD.9 9 8 7 6 3 3 5 7 10 12 13 CWR.............10 10 10 10 10 10 30 30 30 30 30 30 VRATE KT-FT/10002 3 3 4 4 4 4 5 6 8 7 6 $$ FORECASTER...KREIN REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20130501.TOLLE.01/LOT