FNUS73 KDMX 301421 FWSDMX SPOT FORECAST FOR BISON NORTH PATCH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 921 AM CDT WED SEP 30 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON SEPTEMBER 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... CONCERNS TODAY ARE STILL WITH THE WINDS...INCREASING THIS AFTERNOON AS THE SFC PRESSURE GRADIENT TIGHTENS ACROSS THE CWA THIS AFTERNOON INTO TONIGHT. BREEZY CONDITIONS EXPECTED BY THIS AFTERNOON...WITH SOME GUSTS POSSIBLE. OTHERWISE ONLY OTHER ISSUE WOULD BE WITH DEWPOINTS SHOULD DECREASE SOME WITH AFTERNOON MIXING. .REST OF TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........48 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 8 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4100 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHEAST 14 TO 18 MPH. SMOKE DISPERSAL.....EXCELLENT (65000 KNOT-FT). TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........7 7 7 9 12 14 19 28 WEATHER COV..... WEATHER TYPE.... TEMP............54 57 61 64 65 66 65 64 RH..............65 57 51 48 48 48 50 52 EYE LVL WND DIR.SE SE SE SE SE SE SE SE EYE LVL WND SPD.7 7 7 8 9 10 10 10 EYE LVL WND GST.15 15 15 15 20 20 20 20 MIX HGT (KFT)...1.8 2.5 3.2 3.5 3.8 4.1 3.5 3.0 MIXNG WIND DIR..SE SE SE SE SE SE SE SE MIXNG WIND SPD..15 15 15 16 17 18 18 17 HAINES INDEX....4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........86 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 9 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL. MIXING WINDS........SOUTHEAST 17 TO 25 MPH. SMOKE DISPERSAL.....GOOD (36800 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........33 40 58 72 80 92 WEATHER COV..... DEFNTE DEFNTE DEFNTE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............62 59 57 56 55 54 RH..............56 62 69 72 77 80 EYE LEVEL WIND..SE 7 SE 8 SE 8 SE 9 SE 10 SE 10 EYE LEVEL WIND..15 15 15 20 20 20 MIX HGT (FT)....2500 1500 900 800 700 800 MIXNG WIND......SE 17 SE 22 SE 22 SE 18 SE 22 SE 24 HAINES INDEX....4 4 4 4 4 3 .THURSDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........75 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 13 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2900 FT AGL. MIXING WINDS........SOUTHEAST 23 TO 32 MPH DECREASING TO AROUND 21 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....EXCELLENT (81800 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........100 100 100 93 WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............53 58 62 63 RH..............86 80 78 75 EYE LEVEL WIND..SE 10G25 SE 10G20 SE 8G15 S 7G15 MIX HGT (FT)....1100 2200 2900 2800 MIXNG WIND......SE 25 SE 31 SE 32 SE 25 HAINES INDEX....2 2 2 2 $$ FORECASTER...ALBRECHT REQUESTED BY...JAMES KRIZMAN TYPE OF REQUEST...PRESCRIBED .TAG 20090930.BISON.01/DMX