FNUS73 KDMX 031011 FWSDMX SPOT FORECAST FOR UNION SLOUGH RX...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 511 AM CDT TUE MAY 3 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 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 (5-15 PERCENT). MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........23 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH 5 TO 9 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 8300 FT AGL. MIXING WINDS........NORTH 7 TO 16 MPH. SMOKE DISPERSAL.....MARGINAL (30800 KNOT-FT) INCREASING TO GOOD (92700 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 9 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........8 9 11 12 11 7 4 5 5 WEATHER COV..... WEATHER TYPE.... TEMP............41 46 49 52 54 56 57 56 55 RH..............48 38 34 29 27 24 23 25 26 20 FT WIND DIR..N N N N N N N N N 20 FT WIND SPD..8 9 9 9 9 9 8 8 7 20 FT WIND GUST.10 10 10 10 10 10 10 10 EYE LVL WND DIR.N N N N N N N N N EYE LVL WND SPD.6 6 6 6 6 6 6 6 5 EYE LVL WND GST.10 10 10 10 10 10 10 10 MIX HGT (KFT)...3.9 5.0 6.0 7.1 7.5 7.9 8.3 7.9 7.5 MIXNG WIND DIR..N N N N N N N N N MIXNG WIND SPD..16 16 16 15 14 14 13 13 14 HAINES INDEX....4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 35. MAX HUMIDITY........72 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 7 MPH SHIFTING TO THE SOUTH 6 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......7200 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTH 7 TO 13 MPH SHIFTING TO THE NORTHEAST 2 TO 3 MPH LATE IN THE EVENING...THEN SHIFTING TO THE SOUTH 1 TO 6 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....GOOD (78800 KNOT-FT) DECREASING TO POOR (1300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTHEAST WINDS AROUND 7 MPH SHIFTING TO THE SOUTH 6 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........5 16 13 0 12 15 WEATHER COV..... PATCHY PATCHY WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............54 48 45 42 39 38 RH..............28 39 45 55 64 67 20 FT WIND......N 7 NE 7 SE 6 S 6 S 7 S 8 20 FT WIND GUST. 10 10 EYE LEVEL WIND..N 5 NE 5 SE 4 S 4 S 5 S 6 EYE LEVEL WIND.. 10 5 5 10 MIX HGT (FT)....7200 2600 300 300 300 300 MIXNG WIND......N 13 N 7 E 2 S 1 S 5 S 6 HAINES INDEX....4 5 5 5 5 5 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........30 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 8 TO 16 MPH INCREASING TO 16 TO 18 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 5600 FT AGL. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO SOUTHEAST 20 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....MARGINAL (35800 KNOT-FT) INCREASING TO EXCELLENT (111300 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........SOUTH WINDS 8 TO 16 MPH INCREASING TO 16 TO 18 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........16 35 46 60 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............37 52 61 66 RH..............72 44 33 30 20 FT WIND......S 8G10 S 14G20 S 18G25 S 17G25 EYE LEVEL WIND..S 6G10 S 10G20 S 13G25 S 12G25 MIX HGT (FT)....300 4000 4800 5600 MIXNG WIND......S 6 SE 20 S 22 S 23 HAINES INDEX....5 5 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...DAN PAULSON TYPE OF REQUEST...PRESCRIBED .TAG 20110503.UNION.01/DMX