FNUS73 KDMX 221331 FWSDMX SPOT FORECAST FOR GOOD NEIGHBORS WPA...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 831 AM CDT WED APR 22 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 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... VERY DRY HUMIDITIES AND LIGHT AND VARIABLE WINDS WILL BE PRIMARY CONCERNS TODAY. DESPITE LIGHT TRANSPORT WINDS....SMOKE DISPERSAL WILL BE GOOD TO EXCELLENT DUE TO MIXED LAYERS OVER 6000 FT. BREEZY SOUTH TO SOUTHEAST WINDS CAN BE EXPECTED ON THURSDAY. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........22 PERCENT. EYE LEVEL WINDS.....WEST WINDS 5 TO 8 MPH SHIFTING TO THE SOUTH AROUND 5 MPH LATE IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 6200 FT AGL. MIXING WINDS........NORTHWEST 8 TO 17 MPH SHIFTING TO THE WEST 7 TO 8 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (14400 KNOT-FT) INCREASING TO EXCELLENT (83100 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........26 24 19 17 16 13 WEATHER COV..... WEATHER TYPE.... TEMP............61 63 65 66 66 65 RH..............30 27 24 22 23 24 EYE LVL WND DIR.N NW NW NW W S EYE LVL WND SPD.6 6 5 5 4 4 EYE LVL WND GST.15 15 10 10 10 5 MIX HGT (KFT)...5.9 6.0 6.1 6.2 5.8 5.3 MIXNG WIND DIR..NW NW NW NW W SW MIXNG WIND SPD..16 15 13 10 8 7 HAINES INDEX....5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........68 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 15 TO 16 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4900 FT AGL DECREASING TO 1800 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 6 TO 15 MPH SHIFTING TO THE SOUTH 17 TO 18 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....FAIR (24300 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........12 19 27 34 34 35 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............64 58 55 53 51 50 RH..............24 34 43 54 61 66 EYE LEVEL WIND..S 3 SE 5 SE 9 SE 11 SE 13 SE 12 EYE LEVEL WIND..5 10 20 25 30 25 MIX HGT (FT)....4900 1800 400 700 400 300 MIXNG WIND......SW 6 SE 8 SE 13 SE 17 S 18 S 17 HAINES INDEX....5 4 4 3 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 14 TO 19 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200 FT AGL INCREASING TO 7800 FT AGL. MIXING WINDS........SOUTH 17 TO 25 MPH INCREASING TO 29 TO 30 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (18600 KNOT-FT) INCREASING TO EXCELLENT (195200 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........35 34 32 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............50 65 76 82 RH..............68 48 40 33 EYE LEVEL WIND..S 11G25 S 12G25 S 14G30 S 15G30 MIX HGT (FT)....300 1200 4400 7800 MIXNG WIND......S 17 SW 29 S 29 S 29 HAINES INDEX....4 4 5 5 $$ FORECASTER...DONAVON REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20090422.GOODN.01/DMX