FNUS73 KLOT 061418 FWSLOT SPOT FORECAST FOR SOUTH PATROL ROAD...USDA FOREST SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 918 AM CDT FRI MAY 6 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... CLOUDS WILL BE ON THE INCREASE BY EARLY AFTERNOON AS A MID LEVEL DISTURBANCE APPROACHES THE AREA. A FEW ISOLATED DIURNALLY DRIVEN RAIN SHOWERS ARE ALSO EXPECTED TO DEVELOP ACROSS THE REGION THIS AFTERNOON...AS THE DISTURBANCE MOVES ACROSS NORTHERN ILLINOIS. WINDS WILL BECOME GUSTY OUT OF THE WEST THIS AFTERNOON AS THE ATMOSPHERE MIXES OUT...ALLOWING HIGHER MOMENTUM ALOFT TO REACH THE SURFACE. WIND GUSTS AS HIGH AS 25 MPH ARE POSSIBLE. HOWEVER...SLIGHTLY HIGHER WINDS ARE POSSIBLE IN AND AROUND ANY RAIN SHOWERS THAT DEVELOP. .TODAY... SKY/WEATHER.........MOSTLY SUNNY THIS MORNING. BECOMING PARTLY SUNNY THIS AFTERNOON WITH ISOLATED SHOWERS DEVELOPING. TEMPERATURE.........59 AT IGNITION...MAX 66. RH..................57 PERCENT AT IGNITION...MIN 41 PERCENT. WIND (20 FT)........WINDS WEST AROUND 12 MPH AT IGNITION...OTHERWISE WEST WINDS 10 TO 15 MPH WITH GUSTS AS HIGH AS 25 MPH THIS AFTERNOON. CHANCE OF PCPN......10 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......300 FT AGL INCREASING TO 900 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1500 FT AGL IN THE MORNING INCREASING TO 2200 FT AGL LATE IN THE MORNING INCREASING TO 4500 FT AGL AT IGNITION...OTHERWISE 4500 FT AGL INCREASING TO 6900 FT AGL INCREASING TO 8900-9200 FT AGL DECREASING TO 6300 FT AGL LATE IN THE AFTERNOON DECREASING TO 3700 FT AGL. TRANSPORT WINDS.....WEST 14 TO 23 MPH INCREASING TO 22 TO 28 MPH...THEN DECREASING TO AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD /97200 KNOT-FT/ AT IGNITION. MAX...EXCELLENT /229200 KNOT-FT/. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........30 33 35 37 40 42 44 46 WEATHER COV..... WEATHER TYPE.... TEMP............59 62 65 66 66 66 65 63 RH..............57 50 45 43 42 42 41 44 20FT WIND DIR...270 280 280 280 280 280 270 270 20FT SPEED(MPH).7 8 9 9 9 8 7 6 20FT SPEED(KT)..6 7 8 8 8 7 6 5 20FT GUST(MPH)..16 17 18 18 18 17 15 12 20FT GUST(KT)...14 15 16 16 16 15 13 10 MIX HGT (KFT)...4.5 6.9 9.2 9.1 9.0 8.9 6.3 3.7 TRANSP WIND DIR.270 280 280 280 280 280 270 260 TRANSP WIND SPD.23 25 26 28 26 25 22 18 CWR.............0 0 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 VRATE KT-FT/100097 163 213 229 221 190 132 62 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. TEMPERATURE.........MIN 50. RH..................MAX 83 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......900-1200 FT AGL DECREASING TO 300-600 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 13 TO 16 MPH. SMOKE DISPERSAL.....POOR (0-6000 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........49 53 58 63 68 72 77 81 85 89 92 96 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............61 61 60 59 58 56 54 52 51 50 50 52 RH..............48 48 49 53 55 62 66 71 77 80 83 77 20FT WIND DIR...260 260 240 230 220 210 200 200 190 180 170 160 20FT SPEED(MPH).5 5 5 5 5 5 5 5 5 5 5 5 20FT SPEED(KT)..4 4 4 4 4 4 4 4 4 4 4 4 20FT GUST(MPH)..9 8 7 7 8 8 9 8 8 7 7 7 20FT GUST(KT)...8 7 6 6 7 7 8 7 7 6 6 6 MIX HGT (KFT)...1.2 0.9 0.6 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 TRANSP WIND DIR.260 250 240 230 230 210 200 200 190 180 170 160 TRANSP WIND SPD.16 14 14 13 13 13 14 14 14 14 13 13 CWR.............10 10 10 10 10 10 30 30 30 30 30 30 VRATE KT-FT/10006 0 0 3 3 3 3 3 3 3 0 0 .SATURDAY... SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY. TEMPERATURE.........MAX 67. RH..................MIN 54 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. CHANCE OF PCPN......60 PERCENT. MIXING HEIGHT.......300 FT AGL INCREASING TO 1400 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 2500 FT AGL IN THE MORNING INCREASING TO 3700-4100 FT AGL LATE IN THE MORNING INCREASING TO 4500-4900 FT AGL DECREASING TO 4100 FT AGL DECREASING TO 3600 FT AGL DECREASING TO 2600 FT AGL LATE IN THE AFTERNOON DECREASING TO 1500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH SHIFTING TO THE WEST AROUND 9 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (2900-97500 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........100 99 97 96 94 93 91 88 85 83 80 77 WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW TEMP............54 58 62 66 66 66 66 65 65 64 62 61 RH..............74 67 60 54 56 58 61 65 65 67 72 75 20FT WIND DIR...160 160 180 180 190 200 200 210 220 220 240 280 20FT SPEED(MPH).5 5 5 6 6 7 7 6 6 5 5 3 20FT SPEED(KT)..4 4 4 5 6 6 6 6 5 4 4 3 20FT GUST(MPH)..7 9 12 13 14 14 14 13 12 9 7 5 20FT GUST(KT)...6 8 10 11 12 12 12 11 10 8 6 4 MIX HGT (KFT)...0.3 1.4 2.5 3.7 4.1 4.5 4.9 4.5 4.1 3.6 2.6 1.5 TRANSP WIND DIR.160 160 170 180 190 200 200 210 210 220 240 280 TRANSP WIND SPD.14 15 16 18 20 22 22 21 18 16 13 9 CWR.............60 60 60 60 60 60 60 60 60 60 60 60 VRATE KT-FT/10003 22 47 70 87 97 98 86 67 46 29 13 $$ FORECASTER...BIRK REQUESTED BY...JEFF MARTINA TYPE OF REQUEST...PRESCRIBED .TAG 20110506.SOUTH.01/LOT