FNUS73 KLOT 251537 FWSLOT SPOT FORECAST FOR CHICAGO ROAD INTER SB HOFF RX PROJECTS...USDA FOREST SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 1037 AM CDT SUN MAR 25 2012 FORECAST IS BASED ON IGNITION TIME OF 1035 CDT ON MARCH 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE ACROSS MANITOBA AND LOW PRESSURE ACROSS THE EAST COAST OF THE UNITED STATES WILL PRODUCE NORTH TO NORTHEAST WINDS ACROSS THE AREA TODAY. EXPECT NORTHERLY WINDS TO BECOME NORTHEASTERLY BY AROUND MIDDAY. SKIES WILL REMAIN SUNNY THIS MORNING. HOWEVER...CLOUDS LOOK TO INCREASE DURING THE AFTERNOON. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........68 AT IGNITION...MAX 72. RH..................75 PERCENT AT IGNITION...MIN 46 PERCENT. WIND (20 FT)........WINDS NORTH AT 8 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING NORTHEAST 6 TO 8 MPH IN THE LATE MORNING. CHANCE OF PCPN......0 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......400 FT AGL INCREASING TO 1000 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1600 FT AGL IN THE MORNING INCREASING TO 3400 FT AGL AT IGNITION...OTHERWISE 2200 FT AGL LATE IN THE MORNING INCREASING TO 3400 FT AGL AT IGNITION...OTHERWISE 3400 FT AGL INCREASING TO 4600 FT AGL INCREASING TO 5400-5800 FT AGL DECREASING TO 5200 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTH 7 TO 16 MPH SHIFTING TO THE NORTHEAST 12 TO 18 MPH. SMOKE DISPERSAL.....FAIR /48100 KNOT-FT/ AT IGNITION. MAX...GOOD /93600 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........36 38 41 45 44 38 32 30 28 WEATHER COV..... WEATHER TYPE.... TEMP............61 68 69 70 70 70 71 71 71 RH..............75 57 53 51 53 53 49 47 46 20FT WIND DIR...010 020 030 040 040 040 040 050 050 20FT SPEED(MPH).5 5 5 6 5 5 5 4 4 20FT SPEED(KT)..4 4 4 5 4 4 4 3 3 20FT GUST(MPH)..9 10 10 13 12 12 9 8 8 20FT GUST(KT)...8 9 9 11 10 10 8 7 7 MIX HGT (KFT)...2.2 3.4 4.6 5.8 5.8 5.7 5.7 5.4 5.2 TRANSP WIND DIR.010 020 030 040 040 040 040 050 050 TRANSP WIND SPD.14 16 17 18 17 15 14 13 12 CWR.............0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 VRATE KT-FT/100024 48 75 94 92 81 69 61 56 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. TEMPERATURE.........MIN 40. RH..................MAX 83 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF PCPN......10 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......4900 FT AGL DECREASING TO 4300 FT AGL EARLY IN THE EVENING...THEN DECREASING TO 3700 FT AGL EARLY IN THE EVENING DECREASING TO 3100 FT AGL LATE IN THE EVENING DECREASING TO 2300 FT AGL DECREASING TO 1600 FT AGL LATE IN THE EVENING DECREASING TO 800-1200 FT AGL INCREASING TO 1500 FT AGL EARLY IN THE MORNING. TRANSPORT WINDS.....NORTHEAST 12 TO 21 MPH INCREASING TO 22 TO 25 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR TO FAIR (11800-50900 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........26 29 31 34 36 37 39 46 52 59 65 72 WEATHER COV..... WEATHER TYPE.... TEMP............71 68 66 65 63 61 47 46 44 42 41 40 RH..............42 45 47 45 46 49 83 79 79 79 79 76 20FT WIND DIR...050 060 060 060 060 050 050 050 050 050 050 040 20FT SPEED(MPH).4 5 5 5 6 6 6 6 7 7 8 8 20FT SPEED(KT)..3 4 4 4 5 5 6 6 6 6 7 7 20FT GUST(MPH)..8 9 9 12 13 13 15 15 16 16 17 17 20FT GUST(KT)...7 8 8 10 11 11 13 13 14 14 15 15 MIX HGT (KFT)...4.9 4.3 3.7 3.1 2.3 1.6 0.8 0.8 0.9 1.0 1.2 1.5 TRANSP WIND DIR.050 060 060 060 060 050 050 050 050 050 050 040 TRANSP WIND SPD.12 13 14 16 17 18 20 21 22 22 24 25 CWR.............10 10 10 10 10 10 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/100051 49 48 45 34 23 14 12 14 19 24 32 .MONDAY... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. TEMPERATURE.........MAX 50. RH..................MIN 50 PERCENT. WIND (20 FT)........EAST WINDS 9 TO 12 MPH. CHANCE OF PCPN......10 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......1700-2100 FT AGL INCREASING TO 2400-2800 FT AGL IN THE MORNING...THEN INCREASING TO 2700-3000 FT AGL DECREASING TO 2400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....EAST 23 TO 30 MPH. SMOKE DISPERSAL.....FAIR TO GOOD (40800-76700 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........78 75 72 70 67 64 61 62 62 63 64 64 WEATHER COV..... WEATHER TYPE.... TEMP............41 43 44 46 47 49 50 50 50 50 50 48 RH..............67 62 60 55 53 50 50 50 50 50 50 54 20FT WIND DIR...040 050 050 050 060 060 060 060 070 070 070 070 20FT SPEED(MPH).9 9 10 10 10 10 10 10 9 8 8 7 20FT SPEED(KT)..8 8 8 8 8 8 8 8 8 7 7 6 20FT GUST(MPH)..20 20 21 21 21 21 21 20 20 18 17 16 20FT GUST(KT)...17 17 18 18 18 18 18 17 17 16 15 14 MIX HGT (KFT)...1.7 2.1 2.4 2.7 2.8 2.9 3.0 3.0 3.0 3.0 2.7 2.4 TRANSP WIND DIR.040 050 050 050 060 060 060 060 070 070 070 070 TRANSP WIND SPD.26 28 29 29 30 30 29 28 26 24 23 23 CWR.............10 10 10 10 10 10 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/100041 51 61 70 75 77 76 74 70 64 56 48 $$ FORECASTER...BIRK REQUESTED BY...JEFF MARTINA TYPE OF REQUEST...PRESCRIBED .TAG 20120325.CHICA.01/LOT