FNUS73 KDTX 041251 FWSDTX SPOT FORECAST FOR STERLING HUNT CLUB...MI DNR NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 851 AM EDT THU APR 4 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... TEMPERATURES AND WINDS WILL BOTH INCREASE TODAY AS SOUTHWEST FLOW DEVELOPS IN ADVANCE OF AN APPROACH COLD FRONT. RH VALUES WILL DROP TO BETWEEN 30 AND 35 PERCENT THIS AFTERNOON. THE COLD FRONT WILL CROSS THE AREA TONIGHT AND BRING COLDER WEATHER AGAIN ON FRIDAY AS HIGH PRESSURE BUILDS INTO THE AREA WITH ITS PASSAGE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). TEMPERATURE.........39 AT IGNITION...MAX 52. RH..................47 PERCENT AT IGNITION...MIN 30 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 10 MPH. WIND (20 FT)........WINDS SOUTHWEST AT 8 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 5 TO 10 MPH. TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH. MIXING HEIGHT.......2600 FT AGL...INCREASING TO 4400 FT AGL BY MID AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. VENTILATION RATE....GOOD (MAX...500). TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........24 25 26 26 27 27 26 26 26 25 WEATHER COV..... WEATHER TYPE.... TEMP............39 42 45 48 50 51 52 52 51 50 RH..............47 43 38 35 32 31 30 30 32 35 20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW 20 FT WIND SPD..6 7 7 8 8 8 7 7 7 7 20 FT WIND GUST.10 10 15 15 15 15 15 15 15 10 EYE LVL WND DIR.SW SW SW SW SW SW SW SW SW SW EYE LVL WND SPD.6 7 7 8 8 8 7 7 7 7 EYE LVL WND GST.10 10 15 15 15 15 15 15 15 10 MIX HGT (KFT)...1.3 1.5 2.0 2.6 3.1 3.4 3.7 3.9 4.2 4.4 HAINES INDEX....4 4 4 4 4 4 5 5 5 5 VRATE (KT-FT)...100 100 200 300 300 400 500 500 500 400 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (30-40 PERCENT). TEMPERATURE.........MIN 34. RH..................MAX 90 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 6 TO 11 MPH. WIND (20 FT)........NORTH WINDS 6 TO 11 MPH. TRANSPORT WINDS.....WEST 7 TO 8 MPH...BECOMING NORTH 8 TO 10 MPH LATE. MIXING HEIGHT.......2500 FT AGL...DECREASING TO 300 FT AGL AFTER MIDNIGHT...THEN...INCREASING TO 2400 FT AGL EARLY. HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. VENTILATION RATE....POOR (MIN...0). TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........25 33 40 48 45 42 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............45 41 39 37 36 34 RH..............44 54 65 77 81 88 20 FT WIND DIR..SW SW W W NW N 20 FT WIND SPD..6 6 5 5 6 8 20 FT WIND GUST.10 10 10 15 EYE LEVEL WIND..SW 6 SW 6 W 5 W 5 NW 6 N 8 EYE LEVEL WIND..10 10 10 15 MIX HGT (FT)....4400 3300 1600 300 1000 2000 HAINES INDEX....5 5 4 3 2 3 VRATE (KT-FT)...300 200 100 0 100 200 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........MAX 46. RH..................MIN 36 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 11 MPH. WIND (20 FT)........NORTHEAST WINDS 6 TO 11 MPH. TRANSPORT WINDS.....NORTH 8 TO 17 MPH...DECREASING TO AROUND 7 MPH EARLY IN THE EVENING. MIXING HEIGHT.......4500 FT AGL...INCREASING TO 5100 FT AGL BY AFTERNOON. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. VENTILATION RATE....EXCELLENT (MAX...800). $$ FORECASTER...TILLEY REQUESTED BY...RANDY MCKENZIE TYPE OF REQUEST...PRESCRIBED .TAG 20130404.STERL.01/DTX