FNUS73 KDTX 221153 FWSDTX SPOT FORECAST FOR DICKINSON ISLAND...MI DNR NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 753 AM EDT MON APR 22 2013 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 22. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... STRONG HIGH PRESSURE CENTERED OVER NEW ENGLAND WILL EXTEND ACROSS SOUTHERN MICHIGAN TODAY AND WILL MAINTAIN DRY CONDITIONS THROUGH TONIGHT...WITH PEAK DAYTIME MIN RH VALUES DROPPING TO 30-40 PERCENT. ANOTHER GOOD A CHANCE OF RAIN IS EXPECTED LATE TUESDAY THROUGH TUESDAY NIGHT AS A STRONG COLD FRONT SWEEPS ACROSS THE REGION. COLDER AND DRIER AIR WILL FUNNEL INTO THE AREA ON WEDNESDAY IN THE WAKE OF THIS FRONT. AN UPPER LEVEL DISTURBANCE IS FORECAST TO MOVE ACROSS LOWER MI ON THURSDAY...BRINGING THE NEXT CHANCE FOR SOME RAIN. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....56-61. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 11 MPH. WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. TRANSPORT WINDS.....SOUTHEAST 8 TO 12 MPH. MIXING HEIGHT.......2500 FT AGL...INCREASING TO 3900 FT AGL BY AFTERNOON. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. VENTILATION RATE....GOOD (MAX...400). TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........28 28 28 29 30 31 31 32 WEATHER COV..... WEATHER TYPE.... TEMP............49 51 53 55 56 56 54 50 RH..............44 40 38 35 33 33 38 45 20 FT WIND DIR..SE SE SE SE S S S S 20 FT WIND SPD..9 8 8 8 8 8 8 7 20 FT WIND GUST.15 15 15 15 15 15 15 15 EYE LVL WND DIR.SE SE SE SE S S S S EYE LVL WND SPD.9 8 8 8 8 8 8 7 EYE LVL WND GST.15 15 15 15 15 15 15 15 MIX HGT (KFT)...3.0 3.4 3.7 3.8 3.8 3.8 3.9 3.9 HAINES INDEX....4 4 4 4 5 5 5 4 VRATE (KT-FT)...200 300 300 300 400 400 400 300 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). MIN TEMPERATURE.....42-47. MAX HUMIDITY........72 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 9 TO 14 MPH. WIND (20 FT)........SOUTHEAST WINDS 9 TO 14 MPH. TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH...BECOMING SOUTH AROUND 18 MPH EARLY. MIXING HEIGHT.......2700 FT AGL...DECREASING TO 400 FT AGL BY LATE EVENING. 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....POOR (MIN...0). TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........33 38 42 47 51 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............48 48 47 45 45 45 RH..............54 59 60 62 68 72 20 FT WIND DIR..S SE SE SE S S 20 FT WIND SPD..7 9 10 10 13 11 20 FT WIND GUST.15 15 15 15 20 15 EYE LEVEL WIND..S 7 SE 9 SE 10 SE 10 S 13 S 11 EYE LEVEL WIND..15 15 15 15 20 15 MIX HGT (FT)....3600 1600 400 500 500 400 HAINES INDEX....4 3 3 3 3 3 VRATE (KT-FT)...300 100 0 100 100 100 $$ FORECASTER...CONSIDINE REQUESTED BY...RANDY MCKENZIE TYPE OF REQUEST...PRESCRIBED .TAG 20130422.DICKI.01/DTX