FNUS73 KDMX 131236 FWSDMX SPOT FORECAST FOR FALLOW MARSH AG PREP...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 736 AM CDT WED APR 13 2011 FORECAST IS BASED ON IGNITION TIME OF 0730 CDT ON APRIL 13. 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... EXPECT INCREASING NORTHEAST WINDS TODAY WITH THICKENING CLOUDS. ANY RAIN THREAT SHOULD HOLD OFF UNTIL LATER THIS AFTERNOON AND EVENING. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN SHOWERS IN THE AFTERNOON. TEMPERATURE.........47 AT IGNITION...MAX 59. RH..................76 PERCENT AT IGNITION...MIN 53 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 3600 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTH 7 TO 13 MPH INCREASING TO NORTHEAST 25 TO 30 MPH. SMOKE DISPERSAL.....POOR (19200 KNOT-FT) INCREASING TO GOOD (90000 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........WINDS NORTH AT 10 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS 8 TO 17 MPH INCREASING TO 18 TO 20 MPH IN THE AFTERNOON. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........73 75 78 80 83 86 87 88 89 91 92 93 WEATHER COV..... CHC CHC CHC CHC CHC CHC WEATHER TYPE.... RW RW RW RW RW RW TEMP............47 47 49 51 52 53 55 55 56 56 56 55 RH..............76 76 71 68 66 66 64 61 57 55 53 55 20 FT WIND DIR..N N NE NE NE NE NE NE NE NE NE NE 20 FT WIND SPD..8 10 12 14 15 16 17 18 20 20 20 20 20 FT WIND GUST.10 15 15 20 20 25 25 25 30 30 30 30 MIX HGT (KFT)...0.3 0.7 1.2 1.7 2.3 2.9 3.5 3.5 3.5 3.6 3.3 3.1 MIXNG WIND DIR..NW N N NE NE NE NE NE NE NE NE NE MIXNG WIND SPD..7 13 18 24 28 30 30 29 26 25 26 28 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 3 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY. TEMPERATURE.........MIN 40. RH..................MAX 89 PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2900 FT AGL DECREASING TO 800 FT AGL LATE IN THE EVENING. MIXING WINDS........NORTHEAST 21 TO 29 MPH DECREASING TO 17 TO 18 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....GOOD (71500 KNOT-FT) DECREASING TO POOR (8400 KNOT-FT) AFTER MIDNIGHT. WIND (20 FT)........NORTHEAST WINDS 18 TO 20 MPH. TIME (CDT) 7 PM 10 PM 1 AM 4 AM SKY (%).........94 96 98 99 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............54 48 45 43 RH..............54 68 76 82 20 FT WIND......NE 18G25 NE 18G25 NE 18G25 NE 18G25 MIX HGT (FT)....2900 1600 400 500 MIXNG WIND......NE 29 NE 25 NE 18 NE 17 HAINES INDEX....3 3 3 2 .THURSDAY... SKY/WEATHER.........CLOUDY (95-100 PERCENT). RAIN SHOWERS LIKELY. TEMPERATURE.........MAX 51. RH..................MIN 63 PERCENT. HAINES INDEX........MISSING. MIXING HEIGHT.......2500 FT AGL INCREASING TO 2800 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........ SMOKE DISPERSAL.....GOOD (76700 KNOT-FT). WIND (20 FT)........BREEZY. EAST WINDS 20 TO 25 MPH. TIME (CDT) 7 AM 11 AM 3 PM SKY (%).........99 98 99 WEATHER COV.....LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR TEMP............41 47 50 RH..............89 74 66 20 FT WIND......NE 20G30 E 23G30 E 24G35 MIX HGT (FT)....600 1700 2500 MIXNG WIND......M M M HAINES INDEX....M M M $$ FORECASTER...COGIL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20110413.FALLO.01/DMX