FNUS73 KDMX 091419 FWSDMX SPOT FORECAST FOR HEGLAND FIRE...PRAIRIES EDGE WILDFIRE NATIONAL WEATHER SERVICE DES MOINES IA 919 AM CDT THU APR 9 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 09. 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... NORTHEAST WINDS TO CONTINUE AROUND 10 MPH THIS MORNING AND INCREASE TO AROUND 15 MPH THIS AFTERNOON. RELATIVE HUMIDITY WILL ALSO DECREASE THROUGH THE LATE MORNING AND AFTERNOON HOURS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........35 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHEAST 5 TO 11 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5800 FT AGL. MIXING WINDS........NORTH 3 TO 8 MPH INCREASING TO NORTHEAST 13 TO 18 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....EXCELLENT (60400 KNOT-FT) INCREASING TO EXCELLENT (76800 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........41 42 43 43 43 43 43 43 WEATHER COV..... WEATHER TYPE.... TEMP............42 45 47 49 50 52 51 50 RH..............59 49 43 41 38 35 37 39 EYE LVL WND DIR.NE E E E NE NE NE NE EYE LVL WND SPD.6 7 8 9 9 9 9 8 EYE LVL WND GST.15 15 15 20 20 20 20 15 MIX HGT (KFT)...3.4 4.0 4.7 5.0 5.4 5.8 5.5 5.3 MIXNG WIND DIR..E E E E E E E NE MIXNG WIND SPD..18 17 16 16 15 15 16 16 HAINES INDEX....5 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 29. MAX HUMIDITY........75 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 8 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5100 FT AGL DECREASING TO 2000 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTHEAST 10 TO 17 MPH. SMOKE DISPERSAL.....EXCELLENT (75900 KNOT-FT) DECREASING TO POOR (6500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........43 44 44 45 39 32 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............49 43 39 37 34 32 RH..............40 51 59 61 69 75 EYE LEVEL WIND..NE 8 NE 7 NE 6 NE 7 N 8 N 7 EYE LEVEL WIND..15 15 15 15 15 15 MIX HGT (FT)....5100 2000 500 500 500 500 MIXNG WIND......NE 17 NE 16 NE 14 NE 12 NE 10 NE 12 HAINES INDEX....4 4 4 4 4 4 .FRIDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........34 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 4400 FT AGL EARLY IN THE MORNING. MIXING WINDS........NORTH 13 TO 15 MPH. SMOKE DISPERSAL.....GOOD (48900 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........26 26 25 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............31 40 47 51 RH..............75 57 40 34 EYE LEVEL WIND..N 6G15 NE 8G15 NE 7G15 N 7G15 MIX HGT (FT)....600 3500 4400 4400 MIXNG WIND......NE 14 NE 15 NE 13 N 13 HAINES INDEX....4 4 4 4 $$ FORECASTER...ALBRECHT REQUESTED BY...TODD LEWIS TYPE OF REQUEST...PRESCRIBED .TAG 20090409.HEGLA.01/DMX