FNUS73 KDTX 121329 FWSDTX SPOT FORECAST FOR MOIST SOIL 3 4...USFWS NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 929 AM EDT THU APR 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LIGHT WINDS...CLEAR SKIES...AND RELATIVELY DRY CONDITIONS BE EXPECTED ACROSS THE ENTIRE AREA TODAY THE CENTER OF A LARGE SURFACE HIGH PRESSURE WILL RESIDE OVERHEAD WELL INTO THE OVERNIGHT HOURS. FOR FRIDAY...AN APPROACHING LOW WILL CAUSE WINDS TO TURN MORE STRONGLY TO THE SOUTH DURING THE EARLY MORNING HOURS WITH WINDS FORECAST TO GUST IN THE 15 TO 20 MPH RANGE BY LATE FRIDAY MORNING INTO EARLY FRIDAY AFTERNOON. MINIMUM RELATIVE HUMIDITY VALUES OF 25 TO 30 PERCENT ARE FORECAST TO ACCOMPANY THE INCREASE IN WINDS. TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........45 AT IGNITION...MAX 56. RH..................56 PERCENT AT IGNITION...MIN 36 PERCENT. WIND (20 FT)........LIGHT SOUTH WINDS OF 3 TO 5 MPH...BECOMING NORTHWEST AT 4 TO 7 MPH BY AFTERNOON. TRANSPORT WINDS.....NORTHWEST 3 TO 9 MPH. MIXING HEIGHT.......2400 FT AGL...INCREASING TO 6700 FT AGL. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 3. VENTILATION RATE....GOOD (MAX...500). TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM SKY (%).........7 7 6 18 30 41 45 49 53 50 46 WEATHER COV..... WEATHER TYPE.... TEMP............36 40 45 48 51 54 55 56 56 55 53 RH..............72 64 56 49 44 40 38 37 36 39 43 20 FT WIND DIR..W W SW W W NW NW NW NW N N 20 FT WIND SPD..5 5 5 5 5 5 6 6 6 6 5 20 FT WIND GUST. 10 10 10 MIX HGT (KFT)...1.7 2.4 3.2 4.0 4.7 5.3 5.9 6.3 6.6 6.7 6.7 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 VRATE (KT-FT)...100 100 200 200 300 400 400 500 500 500 500 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). AREAS OF FROST AFTER MIDNIGHT. TEMPERATURE.........MIN 31. RH..................MAX 92 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH...BECOMING SOUTHEAST 5 TO 10 MPH BY LATE EVENING. TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH...BECOMING NORTHEAST 6 TO 7 MPH LATE IN THE EVENING...THEN...BECOMING SOUTHEAST 5 TO 6 MPH AFTER MIDNIGHT. VENTILATION RATE....POOR (MIN...10). TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........43 31 21 12 10 9 WEATHER COV..... AREAS AREAS AREAS WEATHER TYPE....NONE NONE NONE FROST FROST FROST TEMP............50 42 38 35 33 31 RH..............49 66 78 86 89 91 20 FT WIND DIR..N E E SE SE SE 20 FT WIND SPD..5 7 7 6 6 6 20 FT WIND GUST. 10 10 10 10 VRATE (KT-FT)...500 300 100 0 0 0 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT). TEMPERATURE.........MAX 64. RH..................MIN 25 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. TRANSPORT WINDS.....SOUTH 6 TO 15 MPH...INCREASING TO 17 TO 18 MPH LATE. VENTILATION RATE....EXCELLENT (MAX...800). $$ FORECASTER...CLARK REQUESTED BY...GARY LINDSAY TYPE OF REQUEST...PRESCRIBED .TAG 20120412.MOIST.01/DTX