FNUS73 KDTX 211344 FWSDTX SPOT FORECAST FOR GRAHM LAKE FEN...MI DNR NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 944 AM EDT WED MAR 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MARCH 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STRONG UPPER RIDGE WILL MAINTAIN RECORD WARMTH TODAY ALONG WITH DRY SURFACE CONDITIONS, ESPECIALLY AS TEMPERATURES RISE THIS AFTERNOON. WINDS WILL REMAIN LIGHT OUT OF A SOUTH TO SOUTHEASTERLY DIRECTION, GENERALLY AROUND 10 MPH OR LESS. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........77 AT IGNITION...MAX 83. RH..................52 PERCENT AT IGNITION...MIN 40 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS...BECOMING SOUTH 4 TO 6 MPH LATE IN THE MORNING...BECOMING SOUTHEAST 6 TO 10 MPH AFTER NOON. TRANSPORT WINDS.....SOUTH 12 TO 13 MPH. MIXING HEIGHT.......1500 FT AGL. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. VENTILATION RATE....FAIR (MAX...200). TIME (EDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........18 20 19 19 18 18 17 WEATHER COV..... WEATHER TYPE.... TEMP............77 80 82 83 83 81 78 RH..............52 46 43 40 40 43 48 EYE LVL WND DIR.S S S S S S SE EYE LVL WND SPD.7 8 8 9 8 8 7 EYE LVL WND GST.15 15 15 15 15 15 15 MIX HGT (KFT)...1.4 1.5 1.4 1.3 1.2 1.0 0.8 HAINES INDEX....5 5 5 5 5 5 5 VRATE (KT-FT)...200 200 200 100 100 100 100 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). PATCHY FOG LATE. TEMPERATURE.........MIN 57. RH..................MAX 92 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 4 TO 8 MPH. TRANSPORT WINDS.....SOUTHWEST 13 TO 16 MPH. MIXING HEIGHT.......100 FT AGL. VENTILATION RATE....POOR (MIN...10). TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........17 19 22 26 24 27 WEATHER COV..... PATCHY PATCHY PATCHY PATCHY WEATHER TYPE....NONE NONE FOG FOG FOG FOG TEMP............74 69 65 62 60 58 RH..............55 67 74 79 82 88 EYE LEVEL WIND..SE 7 SE 6 S 6 S 6 S 6 S 6 EYE LEVEL WIND..10 10 10 10 MIX HGT (FT)....600 500 500 500 200 100 VRATE (KT-FT)...100 100 100 100 0 0 $$ FORECASTER...CLARK REQUESTED BY...LEE OSTERLAND TYPE OF REQUEST...PRESCRIBED .TAG 20120321.GRAHM.01/DTX