FNUS73 KDMX 031008 FWSDMX SPOT FORECAST FOR SNAKE CREEK...IDNR NATIONAL WEATHER SERVICE DES MOINES IA 508 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 60. MIN HUMIDITY........21 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 8300 FT AGL. MIXING WINDS........NORTH 9 TO 15 MPH. SMOKE DISPERSAL.....MARGINAL (34100 KNOT-FT) INCREASING TO GOOD (86400 KNOT-FT) IN THE LATE MORNING AND AFTERNOON. WIND (20 FT)........NORTH WINDS 5 TO 10 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........9 8 7 6 6 6 6 6 6 WEATHER COV..... WEATHER TYPE.... TEMP............43 48 51 54 56 58 59 58 57 RH..............45 37 33 28 25 23 21 23 23 20 FT WIND DIR..N N N N N N N N N 20 FT WIND SPD..8 9 10 10 10 9 9 8 8 20 FT WIND GUST.10 10 15 10 10 10 10 EYE LVL WND DIR.N N N N N N N N N EYE LVL WND SPD.6 6 7 7 7 6 6 6 6 EYE LVL WND GST.10 10 10 15 10 10 10 10 10 MIX HGT (KFT)...4.3 5.2 6.2 7.2 7.6 7.9 8.3 7.9 7.5 MIXNG WIND DIR..N N N N N N N N N MIXNG WIND SPD..15 15 15 14 13 12 12 13 13 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 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 7 MPH AFTER MIDNIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......7100 FT AGL DECREASING TO 400 FT AGL. MIXING WINDS........NORTH 7 TO 13 MPH SHIFTING TO THE SOUTHEAST 2 TO 7 MPH IN THE LATE EVENING AND OVERNIGHT. SMOKE DISPERSAL.....GOOD (78200 KNOT-FT) DECREASING TO POOR (1500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 7 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........6 15 13 0 15 18 WEATHER COV..... PATCHY PATCHY WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............56 50 45 43 39 38 RH..............25 34 47 55 64 70 20 FT WIND......N 7 NE 6 E 3 S 2 S 5 S 6 20 FT WIND GUST. 5 5 EYE LEVEL WIND..N 5 NE 4 E 2 S 1 S 4 S 4 EYE LEVEL WIND.. 5 5 5 5 5 MIX HGT (FT)....7100 2600 400 300 300 300 MIXNG WIND......N 13 N 7 N 2 N 3 E 6 SE 6 HAINES INDEX....4 4 4 4 5 5 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 14 MPH INCREASING TO 15 TO 17 MPH LATE IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300 FT AGL INCREASING TO 4900 FT AGL. MIXING WINDS........SOUTHEAST 5 TO 13 MPH INCREASING TO 17 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD (72000 KNOT-FT) INCREASING TO GOOD (87700 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 5 TO 14 MPH INCREASING TO 15 TO 17 MPH LATE IN THE MORNING. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........5 33 35 57 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............38 52 61 66 RH..............70 46 38 33 20 FT WIND......SE 5G10 S 12G15 S 17G25 S 16G25 EYE LEVEL WIND..SE 4G10 S 9G15 S 12G25 S 11G25 MIX HGT (FT)....300 3300 4700 4900 MIXNG WIND......S 5 SE 17 SE 20 SE 21 HAINES INDEX....5 5 5 5 $$ FORECASTER...BEERENDS REQUESTED BY...MICHAEL STRAUSER TYPE OF REQUEST...PRESCRIBED .TAG 20110503.SNAKE.01/DMX