FNUS73 KDTX 261156 FWSDTX SPOT FORECAST FOR PTM UNIT 1-3...MI DNR NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 756 AM EDT WED SEP 26 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON SEPTEMBER 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LOW CLOUDS AND FOG THIS MORNING WILL GIVE WAY COOLER AND DRIER AIR FROM THE NORTH BY AFTERNOON. THIS WILL OCCUR AS STRONG HIGH PRESSURE EXPANDS ACROSS THE REGION LATER TODAY. THIS HIGH WILL RESIDE OVER THE REGION INTO THE WEEKEND. .TODAY... SKY/WEATHER.........CLOUDY THIS MORNING (100 PERCENT). MOSTLY CLOUDY THIS AFTERNOON (75-85 PERCENT). AREAS OF DRIZZLE THROUGH NOON. MAX TEMPERATURE.....64-69. MIN HUMIDITY........59 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. TRANSPORT WINDS.....VARIABLE WINDS 2 TO 6 MPH...BECOMING NORTHEAST 3 TO 7 MPH BY EARLY AFTERNOON. MIXING HEIGHT.......1800 FT AGL...INCREASING TO 4600 FT AGL LATE. VENTILATION RATE....GOOD (MAX...300). TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........100 99 97 96 86 75 65 61 56 WEATHER COV.....ARS WEATHER TYPE....DZL TEMP............65 66 67 67 67 67 67 67 64 RH..............85 80 75 70 65 62 59 62 66 20 FT WIND DIR..N N N N N NE NE NE NE 20 FT WIND SPD..5 6 6 7 7 7 7 7 6 20 FT WIND GUST. 10 10 10 10 10 10 10 10 MIX HGT (KFT)...1.6 1.8 2.1 2.4 2.6 2.9 3.2 4.0 4.6 VRATE (KT-FT)...100 100 100 100 200 200 200 200 300 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (30-40 PERCENT). MIN TEMPERATURE.....46-51. MAX HUMIDITY........87 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. TRANSPORT WINDS.....NORTHEAST 7 TO 13 MPH. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........52 39 27 17 19 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............61 56 53 51 50 49 RH..............73 78 77 76 77 83 20 FT WIND DIR..NE NE NE NE NE NE 20 FT WIND SPD..6 7 8 7 7 6 20 FT WIND GUST.10 10 15 10 10 10 $$ FORECASTER...CONSIDINE REQUESTED BY...JIM FISHER TYPE OF REQUEST...PRESCRIBED .TAG 20120926.PTMUN.01/DTX