FNUS73 KLOT 070308 FWSLOT SPOT FORECAST FOR JACKSON TWP TRAIN DERAILMENT...PORTER COUNTY EMA NATIONAL WEATHER SERVICE CHICAGO IL 908 PM CST FRI JAN 6 2012 FORECAST IS BASED ON INCIDENT TIME OF 2035 CST ON JANUARY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY WEATHER IS EXPECTED TONIGHT UNDER MOSTLY CLOUDY SKIES...WHICH ARE EXPECTED TO BEGIN TO CLEAR TOWARD SUNRISE. TEMPERATURES IN THE LOWER TO MIDDLE 40S WILL FALL INTO THE UPPER 30S AFTER MIDNIGHT AND TO THE MIDDLE 30S BY MORNING...THOUGH IF CLOUDS CLEAR OUT FASTER...TEMPERATURES WILL ALSO FALL FASTER THEN INDICATED. A WEAK COLD FRONT WILL MOVE ACROSS THE AREA IN THE NEXT HOUR OR SO...WITH SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE WEST BRIEFLY AND THEN TO THE NORTHWEST BY MIDNIGHT...WITH SPEEDS 5 TO 10 MPH. MIXING HEIGHTS WILL BE VERY LOW OVERNIGHT...GENERALLY LESS THAN 500 FEET. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. TEMPERATURE.........45 AT INCIDENT...MIN 33. RH..................64 PERCENT AT INCIDENT...MAX 85 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE NORTHWEST AT 5 TO 10 MPH BY MIDNIGHT. CHANCE OF PCPN......0 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......300 FT AGL AT INCIDENT...OTHERWISE 300 FT AGL. TRANSPORT WINDS.....WEST 13 TO 18 MPH. SMOKE DISPERSAL.....POOR /2900 KNOT-FT/ AT INCIDENT. MIN...POOR /900 KNOT-FT/. TIME (CST) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........64 68 72 73 75 63 51 39 29 20 WEATHER COV..... WEATHER TYPE.... TEMP............45 44 43 42 39 38 37 36 34 33 RH..............64 68 73 73 79 79 79 82 85 85 20FT WIND DIR...200 240 280 300 300 300 290 280 280 280 20FT SPEED(MPH).6 6 6 7 7 6 6 6 6 6 20FT SPEED(KT)..5 6 6 6 6 6 6 6 6 6 20FT GUST(MPH)..10 10 12 12 12 12 10 10 10 12 20FT GUST(KT)...9 9 10 10 10 10 9 9 9 10 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 TRANSP WIND DIR.220 250 300 300 300 290 290 280 280 280 TRANSP WIND SPD.14 14 14 14 14 14 15 16 16 18 CWR.............0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/10003 3 3 3 3 3 3 3 2 1 $$ FORECASTER...SULLIVAN REQUESTED BY...SUSAN BAUGHER TYPE OF REQUEST...HAZMAT .TAG 20120106.JACKS.01/LOT