FNUS73 KDMX 261251 AAA FWSDMX SPOT FORECAST FOR STRUM BC...UPDATED NATIONAL WEATHER SERVICE DES MOINES IA 751 AM CDT MON MAR 26 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... EASTERLY TO SOUTHEASTERLY WINDS WILL INCREASE ACROSS THE AREA TODAY...AND REMAIN GUSTY INTO TONIGHT. CHANCES FOR SHOWERS OR AN ISOLATED THUNDERSTORM ARE POSSIBLE TODAY INTO TONIGHT. A COLD FRONT WILL MOVE THROUGH TUESDAY...WITH GUSTY WESTERLY WINDS PICKING UP BEHIND THE FRONT. DRIER AIR WILL MOVE INTO THE AREA TUESDAY WITH RH VALUES DROPPING TO LESS THAN 30 PERCENT TUESDAY AFTERNOON. THE WINDY CONDITIONS...LOW RH...AND DRY FUELS COULD LEAD TO HAZARDOUS BURNING CONDITIONS ACROSS PORTIONS OF THE AREA FOR TUESDAY. .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........53 PERCENT. EYE LEVEL WINDS.....BREEZY. SOUTHEAST WINDS 21 TO 26 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL. MIXING WINDS........SOUTHEAST 25 TO 31 MPH. SMOKE DISPERSAL.....GOOD TO EXCELLENT (51900-68800 KNOT-FT). WIND (20 FT)........BREEZY. SOUTHEAST WINDS 21 TO 26 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........80 81 81 82 81 78 76 74 71 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............54 56 57 58 59 59 60 59 59 RH..............64 59 57 55 53 55 53 55 57 20 FT WIND DIR..E E E SE SE SE SE SE SE 20 FT WIND SPD..21 22 22 23 24 25 26 26 25 20 FT WIND GUST.30 30 30 30 30 35 35 35 35 EYE LVL WND DIR.E E E SE SE SE SE SE SE EYE LVL WND SPD.15 16 16 16 17 18 18 18 18 EYE LVL WND GST.30 30 30 30 30 35 35 35 35 MIX HGT (KFT)...2.4 2.4 2.4 2.4 2.5 2.6 2.7 2.6 2.5 MIXNG WIND DIR..E SE SE SE SE SE SE SE SE MIXNG WIND SPD..26 26 25 25 25 26 28 30 31 HAINES INDEX....3 3 3 3 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........96 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 16 TO 23 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2400 FT AGL DECREASING TO 300 FT AGL EARLY IN THE MORNING. MIXING WINDS........SOUTHEAST 23 TO 32 MPH SHIFTING TO THE SOUTH AROUND 22 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO EXCELLENT (12900-68000 KNOT-FT) DECREASING TO POOR TO POOR (4700-5000 KNOT-FT) EARLY IN THE MORNING. WIND (20 FT)........SOUTH WINDS 16 TO 23 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........70 69 67 65 79 82 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TSTM COV........ CHANCE CHANCE CHANCE TEMP............58 56 55 55 54 53 RH..............59 64 66 69 77 86 20 FT WIND......SE 23 SE 22 SE 21 SE 20 SE 18 S 17 20 FT WIND GUST.30 30 30 30 25 25 EYE LEVEL WIND..SE 16 SE 16 SE 15 SE 14 SE 13 S 12 EYE LVL WND GST.30 30 30 30 25 25 MIX HGT (FT)....2400 2100 1700 1400 600 300 MIXNG WIND......SE 32 SE 29 SE 25 SE 24 SE 23 S 22 HAINES INDEX....3 3 3 3 3 3 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....WEST WINDS 16 TO 23 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 4100 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5300 FT AGL IN THE AFTERNOON DECREASING TO 2700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 22 TO 31 MPH SHIFTING TO THE WEST 32 TO 33 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO FAIR (4800-26500 KNOT-FT) INCREASING TO EXCELLENT TO EXCELLENT (75200-148500 KNOT-FT). WIND (20 FT)........WEST WINDS 16 TO 23 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........79 72 39 26 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............53 61 69 73 RH..............96 72 44 31 20 FT WIND......S 16G25 SW 20G30 SW 22G30 W 23G30 EYE LEVEL WIND..S 11G25 SW 14G30 SW 16G30 W 16G30 MIX HGT (FT)....300 1600 4100 5300 MIXNG WIND......S 22 SW 29 SW 28 W 32 HAINES INDEX....3 3 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...RYAN HARR TYPE OF REQUEST...PRESCRIBED .TAG 20120326.STRUM.02/DMX