FNUS73 KDMX 110025 FWSDMX SPOT FORECAST FOR HARRIER MARSH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 725 PM CDT TUE APR 10 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 11. 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... SURFACE HIGH PRESSURE WILL MOVE INTO THE STATE ON WEDNESDAY WITH MUCH LIGHTER WINDS THAN THE PAST FEW DAYS. WINDS WILL GENERALLY BE FROM THE NORTH AS SKIES REMAIN MOSTLY SUNNY. .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). AREAS OF FROST LATE IN THE NIGHT. MIN TEMPERATURE.....AROUND 24. MAX HUMIDITY........71 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 16 MPH DECREASING TO AROUND 6 MPH AFTER MIDNIGHT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5400 FT AGL DECREASING TO 2000 FT AGL EARLY IN THE EVENING. MIXING WINDS........NORTH 15 TO 22 MPH DECREASING TO 6 TO 12 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....GOOD TO EXCELLENT (30200-103300 KNOT-FT) DECREASING TO POOR TO POOR (1400-3300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTH WINDS 7 TO 16 MPH DECREASING TO AROUND 6 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........8 0 7 2 WEATHER COV..... AREAS WEATHER TYPE....NONE NONE NONE FROST TSTM COV........ TEMP............50 39 34 29 RH..............25 40 51 63 20 FT WIND......N 16G25 N 9G10 N 7 N 6 EYE LEVEL WIND..N 11G25 N 6G10 N 5 N 4G5 MIX HGT (FT)....5400 300 300 300 MIXNG WIND......N 22 N 15 N 7 N 7 HAINES INDEX....3 3 3 3 .WEDNESDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........27 PERCENT. EYE LEVEL WINDS.....EAST WINDS 5 TO 6 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT..... ..2100 FT AGL INCREASING TO 5500 FT AGL. MIXING WINDS........NORTH 5 TO 13 MPH SHIFTING TO THE NORTHEAST AROUND 3 MPH LATE IN THE AFTERNOON...THEN SHIFTING TO THE EAST LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (1500 KNOT-FT) IN THE MORNING INCREASING TO GOOD (40000 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........EAST WINDS 5 TO 6 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........8 9 10 11 12 13 13 13 13 14 14 14 WEATHER COV.....ARS ARS WEATHER TYPE....FST FST TSTM COV........ TEMP............26 30 34 38 42 46 49 51 53 54 53 53 RH..............71 60 51 46 39 34 30 29 27 27 28 29 20 FT WIND DIR..N N N N N N N N NE NE E E 20 FT WIND SPD..6 6 6 5 5 5 5 5 5 5 6 6 20 FT WIND GUST. EYE LVL WND DIR.N N N N N N N N NE NE E E EYE LVL WND SPD.4 4 4 4 4 4 4 4 4 4 4 4 EYE LVL WND GST. MIX HGT (KFT)...0.3 1.2 2.1 3.0 3.6 4.2 4.7 5.0 5.3 5.5 5.3 5.2 MIXNG WIND DIR..N N N N N N N N N N NE E MIXNG WIND SPD..7 9 12 13 13 12 9 7 5 3 3 3 HAINES INDEX....3 3 3 3 3 4 4 4 3 3 3 3 .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........72 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 7 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5000 FT AGL DECREASING TO 1800 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 3 TO 6 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1000-14900 KNOT-FT). WIND (20 FT)........SOUTHEAST WINDS 6 TO 7 MPH. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........14 13 12 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............52 45 41 38 RH..............31 43 52 64 20 FT WIND......E 6 E 7 SE 7 SE 6 EYE LEVEL WIND..E 4G5 E 5 SE 5 SE 4G5 MIX HGT (FT)....5000 300 300 300 MIXNG WIND......E 3 S 5 S 6 SE 6 HAINES INDEX....3 4 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........43 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 7 TO 16 MPH INCREASING TO 17 TO 18 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 3800 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 6 TO 10 MPH INCREASING TO SOUTHEAST 16 TO 24 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (1300-52100 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (57100-78900 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 7 TO 16 MPH INCREASING TO 17 TO 18 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........25 29 37 45 53 61 65 67 71 76 80 84 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TSTM COV........ ISO ISO ISO ISO ISO ISO TEMP............37 40 43 46 49 51 53 55 56 57 57 57 RH..............72 67 60 55 50 48 44 43 43 45 47 49 20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE 20 FT WIND SPD..7 8 9 12 13 15 16 17 17 18 18 18 20 FT WIND GUST. 10 10 15 15 20 25 25 25 25 25 25 EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE EYE LVL WND SPD.5 6 6 9 9 11 11 12 12 13 13 13 EYE LVL WND GST. 10 10 15 15 20 25 25 25 25 25 25 MIX HGT (KFT)...0.3 0.9 1.5 2.1 2.6 3.2 3.8 3.8 3.8 3.8 3.6 3.5 MIXNG WIND DIR..S S S S S S S S SE SE SE SE MIXNG WIND SPD..6 10 16 21 21 18 17 20 22 24 24 23 HAINES INDEX....4 4 4 4 3 3 2 2 2 2 2 2 $$ FORECASTER...COGIL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20120411.HARRI.01/DMX