FNUS73 KDMX 031010 FWSDMX SPOT FORECAST FOR FALLOW MARSH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 510 AM CDT TUE MAY 3 2011 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 03. 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 TO BUILD INTO THE AREA TODAY WITH LIGHT WINDS AND DRY CONDITIONS EXPECTED. DEWPOINTS MAINLY IN THE 20S...AND ARE EXPECTED TO DECREASE POSSIBLY INTO THE TEENS BY THIS AFTERNOON AS DRIER MIXES DOWN TO THE SURFACE. NORTHERLY WINDS TO BECOME MORE VARIABLE OVERNIGHT TONIGHT AS THEY SHIFT AROUND TO THE SOUTH WEDNESDAY. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........21 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH 5 TO 8 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 7900 FT AGL. MIXING WINDS........NORTHEAST 7 TO 16 MPH. SMOKE DISPERSAL.....MARGINAL (34900 KNOT-FT) INCREASING TO GOOD (78500 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 8 MPH. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........9 8 9 9 10 8 3 0 0 4 WEATHER COV..... WEATHER TYPE.... TEMP............37 42 47 50 53 55 57 58 57 56 RH..............54 44 35 31 27 24 22 21 22 25 20 FT WIND DIR..NW NW N N N N N N N N 20 FT WIND SPD..6 7 8 8 8 8 8 8 7 6 20 FT WIND GUST. 10 10 10 10 10 10 EYE LVL WND DIR.NW NW N N N N N N N N EYE LVL WND SPD.4 5 6 6 6 6 6 6 5 4 EYE LVL WND GST.5 10 10 10 10 10 10 5 MIX HGT (KFT)...3.0 4.3 5.2 6.2 7.1 7.4 7.6 7.9 7.4 6.9 MIXNG WIND DIR..N N N N N NE NE NE NE NE MIXNG WIND SPD..14 16 16 15 13 12 10 10 10 10 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 34. MAX HUMIDITY........69 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 10 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6400 FT AGL DECREASING TO 400 FT AGL. MIXING WINDS........SOUTHEAST 2 TO 10 MPH. SMOKE DISPERSAL.....GOOD (57900 KNOT-FT) DECREASING TO POOR (1800 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........4 16 14 0 16 21 WEATHER COV..... PATCHY PATCHY WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............55 49 44 42 38 37 RH..............27 37 49 57 67 67 20 FT WIND......N 5 NE 6 SE 8 S 9 S 8 S 9 20 FT WIND GUST. 10 10 10 10 EYE LEVEL WIND..N 4 NE 4 SE 6 S 6 S 6 S 6 EYE LEVEL WIND..5 5 10 10 10 10 MIX HGT (FT)....6400 2400 300 300 300 300 MIXNG WIND......NE 10 NE 6 E 2 SE 3 SE 7 SE 7 HAINES INDEX....4 5 5 5 5 5 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........31 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 18 MPH INCREASING TO 16 TO 20 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 4800 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 7 TO 12 MPH INCREASING TO SOUTHEAST AROUND 28 MPH. SMOKE DISPERSAL.....MARGINAL (32300 KNOT-FT) INCREASING TO EXCELLENT (101800 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........SOUTH WINDS 9 TO 18 MPH INCREASING TO 16 TO 20 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........24 41 58 64 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............37 51 60 65 RH..............67 44 36 31 20 FT WIND......S 9G15 S 16G25 S 20G30 S 17G25 EYE LEVEL WIND..S 6G15 S 11G25 S 14G30 S 12G25 MIX HGT (FT)....300 3000 4500 4800 MIXNG WIND......S 7 SE 23 S 24 S 24 HAINES INDEX....5 5 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...BLAKE KNISLEY TYPE OF REQUEST...PRESCRIBED .TAG 20110503.FALLO.01/DMX