FNUS73 KDMX 041823 FWSDMX SPOT FORECAST FOR BISON SOUTH PATCH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 123 PM CDT MON APR 4 2011 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 05. 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. ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... .DISCUSSION... LOW PRESSURE DEEPENING OVER THE WESTERN PLAINS WILL BRING A QUICK RETURN OF WARM TEMPERATURES AND WINDS TO THE REGION ON TUESDAY. NO RAINFALL IS EXPECTED THROUGH THE DAY. THOUGH THE GRASSLAND FIRE DANGER INDEX WILL REMAIN BELOW THE VERY HIGH TO EXTREME CATEGORIES FOR THE DAY...SOME CAUTION IS ADVISED DUE TO THE INCREASING WINDS AND RAPIDLY LOWERING RELATIVE HUMIDITY ONCE MIXING BEGINS AFTER 11 AM TUESDAY MORNING. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........72 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 9 TO 17 MPH SHIFTING TO THE SOUTHWEST 6 TO 7 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6700 FT AGL DECREASING TO 600 FT AGL. MIXING WINDS........NORTHWEST 23 TO 29 MPH DECREASING TO 9 TO 17 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE SOUTHWEST 5 TO 7 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....EXCELLENT (166900 KNOT-FT) DECREASING TO POOR (5800 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTHWEST WINDS 9 TO 17 MPH SHIFTING TO THE SOUTHWEST 6 TO 7 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........14 24 15 4 13 16 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............45 40 38 36 34 33 RH..............41 52 59 64 64 66 20 FT WIND......NW 14 NW 12 NW 10 NW 6 W 5 W 5 20 FT WIND GUST.25 25 20 10 10 10 EYE LEVEL WIND..NW 14 NW 12 NW 10 NW 6 W 5 W 5 EYE LEVEL WIND..25 25 20 10 10 10 MIX HGT (FT)....6700 2600 500 300 300 300 MIXNG WIND......NW 29 NW 17 NW 9 NW 7 W 6 SW 5 HAINES INDEX....4 3 3 4 5 5 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........32 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 16 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 4100 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6200 FT AGL LATE IN THE MORNING INCREASING TO 8300 FT AGL EARLY IN THE AFTERNOON INCREASING TO 9400 FT AGL DECREASING TO 7000 FT AGL LATE IN THE AFTERNOON DECREASING TO 4600 FT AGL. MIXING WINDS........SOUTHWEST 6 TO 15 MPH INCREASING TO WEST 21 TO 30 MPH. SMOKE DISPERSAL.....POOR (27200 KNOT-FT) INCREASING TO EXCELLENT (234800 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 7 TO 16 MPH. GUSTS UP TO 30 MPH EARLY IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........19 35 43 46 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............32 46 57 64 RH..............67 46 34 29 20 FT WIND......SW 6G15 SW 9G20 SW 13G30 SW 10G25 EYE LEVEL WIND..SW 6G15 SW 9G20 SW 13G30 SW 10G25 MIX HGT (FT)....300 3100 6200 9400 MIXNG WIND......SW 6 SW 20 SW 29 W 29 HAINES INDEX....5 5 5 5 $$ FORECASTER...VACHALEK REQUESTED BY...JAMES KRIZMAN TYPE OF REQUEST...PRESCRIBED .TAG 20110405.BISON.01/DMX