FNUS73 KDMX 310934 FWSDMX SPOT FORECAST FOR ANT MOUND...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 434 AM CDT WED MAR 31 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 31. 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... A WEAK COLD FRONT WILL MOVE INTO CENTRAL IOWA LATE THIS MORNING AND INTO THE AFTERNOON HOURS. EXPECT A GRADUAL SWITCH TO SOUTHWEST WINDS BY AROUND NOON BEFORE BECOMING LIGHT AND POSSIBLY VARIABLE DURING THE EARLY TO MID AFTERNOON HOURS BEFORE SWITCHING TO THE NORTHWEST. RELATIVE HUMIDITY VALUES WILL BE QUITE LOW AGAIN TODAY...ESPECIALLY DURING THE AFTERNOON HOURS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 77. MIN HUMIDITY........28-34 PERCENT. WIND (EYE LEVEL)....SOUTHWEST WINDS 5 TO 12 MPH UNTIL EARLY AFTERNOON BECOMING LIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3100 FT AGL INCREASING TO 4100 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHWEST 14 TO 20 MPH DECREASING TO 1 TO 10 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR (47900 KNOT-FT). TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........30 29 29 30 31 31 29 24 WEATHER COV..... WEATHER TYPE.... TEMP............68 71 73 74 75 76 75 74 RH..............40 38 37 35 36 34 36 38 EYE LVL WND DIR.SW SW SW SW SW SW W N EYE LVL WND SPD.8 6 5 4 3 2 2 2 EYE LVL WND GST.15 15 10 5 5 5 MIX HGT (KFT)...3.1 3.4 3.7 3.8 3.9 4.1 4.0 4.0 MIXNG WIND DIR..SW SW W SW SW S SW SW MIXNG WIND SPD..17 14 10 7 3 1 1 2 HAINES INDEX....4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........77 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH EARLY IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3900 FT AGL DECREASING TO 1800 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH AROUND 3 MPH SHIFTING TO THE SOUTHEAST 5 TO 6 MPH EARLY IN THE EVENING. SMOKE DISPERSAL.....POOR (11800 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........22 21 20 19 21 23 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............73 67 64 61 59 58 RH..............40 50 56 65 69 72 EYE LEVEL WIND..N 2 E 2 SE 3 SE 3 SE 3 SE 5 EYE LEVEL WIND.. 5 5 5 5 MIX HGT (FT)....3900 1800 600 300 300 300 MIXNG WIND......SW 3 E 5 E 5 E 6 E 6 E 6 HAINES INDEX....4 5 5 4 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........45 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 7 TO 16 MPH INCREASING TO 17 TO 19 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 3000 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 7 TO 15 MPH INCREASING TO 18 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (43200 KNOT-FT) INCREASING TO GOOD (60700 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........27 33 41 40 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............56 65 74 79 RH..............77 63 50 45 EYE LEVEL WIND..SE 6G10 S 11G25 S 14G30 S 15G35 MIX HGT (FT)....300 1400 2900 3000 MIXNG WIND......SE 7 S 18 S 21 S 23 HAINES INDEX....3 3 4 4 $$ FORECASTER...DONAVON REQUESTED BY...JAMES KRIZMAN TYPE OF REQUEST...PRESCRIBED .TAG 20100331.ANTMO.01/DMX