FNUS73 KLOT 061841 FWSLOT SPOT FORECAST FOR SPR UPDATE...USDA FOREST SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 141 PM CDT FRI MAY 6 2011 FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON MAY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WINDS WILL REMAIN IN THE 270 TO 290 RANGE THROUGHOUT THE AFTERNOON. UNCERTAINTY EXISTS WITH THE EXACT WIND DIRECTION. HOWEVER...IT DOES NOT APPEAR THE WINDS WILL BECOME SOUTH OF 270 UNTIL THIS EVENING AS THE RIDGE OF HIGH PRESSURE SHIFTS EAST. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS. MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS AROUND 20 MPH CHANCE OF PCPN......15 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......8700 FT AGL AT IGNITION...OTHERWISE 8400-8700 FT AGL INCREASING TO 9000-9300 FT AGL...THEN DECREASING TO 8500 FT AGL LATE IN THE AFTERNOON DECREASING TO 7800 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 22 TO 28 MPH DECREASING TO AROUND 18 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT /216300 KNOT-FT/ AT IGNITION. MAX...EXCELLENT /216300 KNOT-FT/. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........70 70 70 70 60 WEATHER COV..... WEATHER TYPE.... TEMP............66 66 66 66 65 RH..............44 42 41 40 42 20FT WIND DIR...280 280 280 280 280 20FT SPEED(MPH).8 7 6 6 5 20FT SPEED(KT)..12 11 10 5 4 20FT GUST(MPH)..20 18 16 14 13 20FT GUST(KT)...17 16 14 12 11 MIX HGT (KFT)...8.7 9.0 9.3 8.5 7.8 TRANSP WIND DIR.280 280 280 270 260 TRANSP WIND SPD.28 26 25 22 18 CWR.............10 10 10 10 10 LAL.............1 1 1 1 1 VRATE KT-FT/1000216 216 199 171 133 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF LIGHT RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. TEMPERATURE.........MIN 50. RH..................MAX 84 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 7 MPH. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......7100 FT AGL DECREASING TO 300 FT AGL. TRANSPORT WINDS.....SOUTH 13 TO 16 MPH. SMOKE DISPERSAL.....POOR TO GOOD (0-93200 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........60 53 58 63 68 72 77 81 85 89 92 96 WEATHER COV..... SCH SCH SCH CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............63 60 58 56 54 53 52 51 51 51 50 50 RH..............45 50 53 60 64 67 72 75 77 81 82 84 20FT WIND DIR...270 270 250 240 230 220 210 200 190 180 170 160 20FT SPEED(MPH).5 4 4 3 3 3 3 3 3 4 4 5 20FT SPEED(KT)..4 3 3 3 3 3 3 3 3 3 3 4 20FT GUST(MPH)..12 10 9 8 8 7 7 7 7 7 8 8 20FT GUST(KT)...10 9 8 7 7 6 6 6 6 6 7 7 MIX HGT (KFT)...7.1 4.8 2.5 0.3 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 20 20 20 30 30 30 VRATE KT-FT/100093 57 25 3 0 0 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 1900 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 3500 FT AGL IN THE MORNING INCREASING TO 5200-5500 FT AGL LATE IN THE MORNING DECREASING TO 4900 FT AGL DECREASING TO 4200 FT AGL DECREASING TO 3600 FT AGL DECREASING TO 2900 FT AGL LATE IN THE AFTERNOON DECREASING TO 2300 FT AGL. TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH SHIFTING TO THE WEST AROUND 9 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO VERY GOOD (2900-110600 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............51 54 57 60 63 64 65 66 66 67 66 65 RH..............81 67 60 54 56 58 61 65 65 67 72 75 20FT WIND DIR...160 160 170 180 190 200 210 230 260 300 330 000 20FT SPEED(MPH).5 5 5 6 6 6 6 6 5 5 4 3 20FT SPEED(KT)..4 4 4 5 6 6 6 5 4 4 3 3 20FT GUST(MPH)..9 10 12 13 14 15 15 14 12 10 8 6 20FT GUST(KT)...8 9 10 11 12 13 13 12 10 9 7 5 MIX HGT (KFT)...0.3 1.9 3.5 5.2 5.3 5.4 5.5 4.9 4.2 3.6 2.9 2.3 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 27 58 85 102 111 108 93 69 46 30 18 $$ FORECASTER...BIRK REQUESTED BY...JEFF MARTINA TYPE OF REQUEST...PRESCRIBED .TAG 20110506.SPRUP.01/LOT