FNUS73 KDMX 101402 FWSDMX SPOT FORECAST FOR HOLTE TRACT...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 902 AM CDT TUE MAY 10 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 10. 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... .TODAY... SOUTH WINDS WILL INCREASE AND BECOME GUSTY BY LATE MORNING. SKIES WILL REMAIN MOSTLY CLEAR BUT RELATIVE HUMIDITY WILL BE FAIRLY HIGH...REMAINING ABOVE 50 PERCENT MOST OF THE DAY. SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 93. MIN HUMIDITY........41 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 6300 FT AGL. MIXING WINDS........SOUTH 12 TO 21 MPH. SMOKE DISPERSAL.....GOOD (60600 KNOT-FT) INCREASING TO EXCELLENT (111400 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHWEST WINDS 12 TO 17 MPH. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........22 22 23 24 25 26 WEATHER COV..... WEATHER TYPE.... TEMP............88 89 91 91 91 89 RH..............48 47 42 42 41 44 20 FT WIND DIR..S S S S S SW 20 FT WIND SPD..16 17 17 17 16 14 20 FT WIND GUST.25 25 25 25 25 20 EYE LVL WND DIR.S S S S S SW EYE LVL WND SPD.11 12 12 12 11 10 EYE LVL WND GST.25 25 25 25 25 20 MIX HGT (KFT)...4.9 5.2 5.5 5.8 6.0 6.3 MIXNG WIND DIR..S S S S S S MIXNG WIND SPD..15 16 18 21 21 21 HAINES INDEX....4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 63. MAX HUMIDITY........75 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 9 MPH IN THE EVENING BECOMING WEST 2 TO 4 MPH BY EARLY IN THE MORNING. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6500 FT AGL DECREASING TO 700 FT AGL. MIXING WINDS........SOUTHWEST 9 TO 18 MPH SHIFTING TO THE NORTH 5 TO 14 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....EXCELLENT (104500 KNOT-FT) DECREASING TO POOR (8300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........WEST WINDS 5 TO 12 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTHWEST AROUND 5 MPH EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........26 34 44 51 51 52 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............88 81 75 72 68 66 RH..............43 51 58 59 68 73 20 FT WIND......SW 12 SW 8 W 5 NW 3 W 3 SW 5 20 FT WIND GUST.15 10 5 5 EYE LEVEL WIND..SW 9 SW 6 W 4 NW 2 W 2 SW 4 EYE LEVEL WIND..15 10 5 5 5 5 MIX HGT (FT)....6500 2300 300 300 300 500 MIXNG WIND......S 18 W 9 W 5 NW 7 N 9 N 13 HAINES INDEX....4 3 3 3 3 3 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 82. MIN HUMIDITY........53 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL INCREASING TO 4500 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 14 TO 18 MPH. SMOKE DISPERSAL.....GOOD (72700 KNOT-FT). WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........52 56 59 67 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............66 73 79 81 RH..............73 64 58 54 20 FT WIND......S 6 S 7G10 S 8G10 S 9G10 EYE LEVEL WIND..S 4G5 S 5G10 S 6G10 S 6G10 MIX HGT (FT)....900 1700 4500 3200 MIXNG WIND......N 15 NE 14 SE 18 S 17 HAINES INDEX....3 3 4 5 $$ FORECASTER...JUNGBLUTH REQUESTED BY...ROB PATTERSON TYPE OF REQUEST...PRESCRIBED .TAG 20110510.HOLTE.02/DMX