FNUS73 KLOT 281545 FWSLOT SPOT FORECAST FOR MIDEWIN ADMIN SITES...USFS NATIONAL WEATHER SERVICE CHICAGO IL 1045 AM CDT THU MAR 28 2013 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MARCH 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE CONTINUES TO SLIDE OVERHEAD WITH SUNNY SKIES THROUGH TONIGHT. WINDS WILL BE LIGHT AROUND 5 MPH FROM THE WEST BECOMING SOUTHWEST AROUND MIDDAY. TEMPERATURES WILL CONTINUE TO WARM INTO THE MIDDLE TO UPPER 40S BY THIS AFTERNOON...WITH DEW POINTS HOLDING IN THE LOWER 20S. RELATIVE HUMIDITY VALUES WILL BEGIN TO FALL TO AROUND 35 TO 40 PERCENT THIS AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........45 AT IGNITION...MAX 48. RH..................41 PERCENT AT IGNITION...MIN 38 PERCENT. WIND (20 FT)........WINDS WEST AT 4 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN THE MORNING. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......500-1500 FT AGL INCREASING TO 2500-3500 FT AGL IN THE MORNING...THEN INCREASING TO 4500 FT AGL AT IGNITION...OTHERWISE 3500-5000 FT AGL DECREASING TO 2000 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 3 TO 8 MPH. MIXING TEMP 1700FT..44. SMOKE DISPERSAL.....POOR /16500 KNOT-FT/ AT IGNITION. MAX...POOR /19500 KNOT-FT/. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........27 27 27 27 24 22 WEATHER COV..... WEATHER TYPE.... TEMP............45 46 47 47 48 47 RH..............41 40 38 40 39 42 20FT WIND DIR...270 270 250 250 240 230 20FT SPEED(MPH).3 4 4 4 4 4 20FT SPEED(KT)..3 3 3 3 3 3 20FT GUST(MPH)..7 8 8 8 8 8 20FT GUST(KT)...6 7 7 7 7 7 MIX HGT (KFT)...4.5 4.5 5.0 5.0 3.5 2.0 TRANSP WIND DIR.320 310 290 280 280 280 TRANSP WIND SPD.5 3 3 3 3 3 CWR.............0 0 0 0 0 0 VRATE KT-FT/100017 17 16 15 10 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. TEMPERATURE.........MIN 27. RH..................MAX 96 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......500 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT...THEN SHIFTING TO THE NORTHEAST EARLY IN THE MORNING. MIXING TEMP 1700FT..MISSING. SMOKE DISPERSAL.....POOR TO POOR (0-1000 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........19 19 18 18 20 22 24 26 27 29 30 32 WEATHER COV..... WEATHER TYPE.... TEMP............39 36 34 32 31 30 30 29 28 28 27 27 RH..............57 64 72 78 81 85 85 88 92 92 96 96 20FT WIND DIR...230 220 210 210 180 130 110 100 080 070 070 080 20FT SPEED(MPH).3 2 2 1 0 0 0 0 1 1 1 2 20FT SPEED(KT)..3 2 1 1 0 0 0 0 1 1 1 1 20FT GUST(MPH)..7 5 20FT GUST(KT)...6 4 2 2 MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 TRANSP WIND DIR.280 270 260 250 240 230 220 250 310 340 000 050 TRANSP WIND SPD.3 3 3 3 3 3 3 3 3 3 3 3 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/10001 0 0 1 1 1 1 1 1 1 0 0 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........MAX 52. RH..................MIN 39 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......500-1500 FT AGL INCREASING TO 2500-3500 FT AGL IN THE MORNING...THEN INCREASING TO 4500-6500 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON INCREASING TO 7000 FT AGL LATE IN THE AFTERNOON DECREASING TO 4500 FT AGL DECREASING TO 2500 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH. MIXING TEMP 1700FT..47. SMOKE DISPERSAL.....POOR TO POOR (1000-21500 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........33 30 28 25 22 19 17 16 16 16 16 16 WEATHER COV..... WEATHER TYPE.... TEMP............29 33 38 43 46 48 50 51 52 52 50 48 RH..............88 75 62 51 47 44 42 41 39 39 44 49 20FT WIND DIR...080 090 100 110 120 130 140 140 150 150 130 090 20FT SPEED(MPH).2 2 2 3 3 3 3 3 3 2 2 2 20FT SPEED(KT)..1 2 2 3 3 3 3 3 3 2 2 2 20FT GUST(MPH)..3 5 6 7 7 7 7 7 6 5 5 5 20FT GUST(KT)...3 4 5 6 6 6 6 6 5 4 4 4 MIX HGT (KFT)...0.5 1.5 2.5 3.5 4.5 5.0 6.0 6.0 6.5 7.0 4.5 2.5 TRANSP WIND DIR.070 070 080 080 070 050 030 020 000 350 010 040 TRANSP WIND SPD.3 3 3 5 3 3 3 3 3 3 5 5 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/10001 5 10 14 16 17 18 20 22 21 16 9 $$ FORECASTER...BEACHLER REQUESTED BY...JERRY HOFFMAN TYPE OF REQUEST...PRESCRIBED .TAG 20130328.MIDEW.01/LOT