FNUS73 KDMX 221214 FWSDMX SPOT FORECAST FOR BUELT WPA...IA DNR - BLACK HAWK UNIT NATIONAL WEATHER SERVICE DES MOINES IA 714 AM CDT WED APR 22 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22. 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... HIGH PRESSURE WILL MOVE ACROSS THE STATE TODAY GRADUALLY SWITCHING WINDS TO THE SOUTH BY THURSDAY. WIND SPEEDS TODAY WILL BE LIGHT TODAY WITH SPEEDS AT OR BELOW 10 MPH. THURSDAY WINDS WILL INCREASE FROM THE SOUTH AS WARMER AIR AND MOISTURE SURGES INTO IOWA. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........24 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 7 MPH SHIFTING TO THE SOUTHWEST 5 TO 6 MPH EARLY IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......800 FT AGL INCREASING TO 6900 FT AGL. MIXING WINDS........SOUTHWEST 5 TO 10 MPH. SMOKE DISPERSAL.....GOOD (49500 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........40 40 38 37 37 36 36 31 21 WEATHER COV..... WEATHER TYPE.... TEMP............51 55 58 62 65 68 72 71 71 RH..............48 41 36 31 29 27 24 26 26 EYE LVL WND DIR.N N N N NW W W SW S EYE LVL WND SPD.6 6 6 5 5 5 4 5 5 EYE LVL WND GST.15 15 15 10 10 10 10 10 10 MIX HGT (KFT)...0.8 2.5 4.1 5.7 6.1 6.5 6.9 6.3 5.8 MIXNG WIND DIR..NW NW NW NW W W SW SW SW MIXNG WIND SPD..7 6 6 5 5 5 6 8 10 HAINES INDEX....4 4 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........71 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 12 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5200 FT AGL DECREASING TO 1900 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 10 TO 15 MPH. SMOKE DISPERSAL.....GOOD (51900 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........15 19 23 27 29 31 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............70 63 60 58 56 55 RH..............27 38 44 53 59 66 EYE LEVEL WIND..S 6 SE 6 SE 8 S 10 S 9 S 7 EYE LEVEL WIND..15 15 15 20 20 15 MIX HGT (FT)....5200 1900 300 400 300 300 MIXNG WIND......SW 12 S 10 S 12 S 14 S 15 S 15 HAINES INDEX....5 5 5 4 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........35 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 17 MPH INCREASING TO 18 TO 19 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300 FT AGL INCREASING TO 7800 FT AGL. MIXING WINDS........SOUTH 15 TO 23 MPH INCREASING TO 26 TO 29 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (20500 KNOT-FT) INCREASING TO EXCELLENT (195200 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........33 27 20 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............54 68 78 82 RH..............71 51 40 35 EYE LEVEL WIND..S 6G15 SW 13G30 S 14G30 S 15G30 MIX HGT (FT)....400 1400 4200 7800 MIXNG WIND......S 15 S 26 S 28 S 29 HAINES INDEX....4 4 5 4 $$ FORECASTER...BOKSA REQUESTED BY...MICHAEL P MAHN TYPE OF REQUEST...PRESCRIBED .TAG 20090422.BUELT.01/DMX