FNUS73 KDMX 311134 FWSDMX SPOT FORECAST FOR U SLOUGH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 634 AM CDT WED MAR 31 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 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 THROUGH NORTHERN IOWA THIS MORNING. EXPECT SOUTHWEST WINDS EARLY TO BECOME NORTHWEST BY LATE MORNING. RELATIVE HUMIDITY VALUES WILL BE QUITE LOW AGAIN TODAY...ESPECIALLY DURING THE AFTERNOON HOURS. THURSDAY WILL HAVE HIGHER RELATIVE HUMIDITY VALUES HOWEVER EASTERLY WINDS IN THE MORNING WILL BE GUSTY FROM THE SOUTH LATE IN THE MORNING. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........32 PERCENT. WIND (EYE LEVEL)....WEST WINDS 8 TO 10 MPH SHIFTING TO THE NORTH 8 TO 12 MPH LATE IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL INCREASING TO 4900 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 12 TO 13 MPH SHIFTING TO THE NORTH 9 TO 15 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....GOOD (51400 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........41 38 31 28 29 30 31 30 28 WEATHER COV..... WEATHER TYPE.... TEMP............62 65 68 71 72 74 75 74 73 RH..............48 43 40 38 35 33 32 33 34 EYE LVL WND DIR.W W NW N N N N N N EYE LVL WND SPD.6 7 9 10 9 8 7 6 6 EYE LVL WND GST.15 15 20 20 20 15 15 15 15 MIX HGT (KFT)...2.4 2.5 2.5 2.5 3.3 4.1 4.9 4.5 4.0 MIXNG WIND DIR..W W NW NW NW N N N N MIXNG WIND SPD..13 12 10 9 9 10 12 13 15 HAINES INDEX....4 4 4 4 4 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........74 PERCENT. WIND (EYE LEVEL)....SOUTHEAST WINDS 5 TO 7 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........27 33 42 48 46 44 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............71 65 62 59 56 55 RH..............35 45 52 60 66 69 EYE LEVEL WIND..N 6 NE 5 E 4 E 4 E 5 SE 5 EYE LEVEL WIND..10 5 5 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 79. MIN HUMIDITY........43 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 7 TO 15 MPH INCREASING TO 17 TO 22 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 3800 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHEAST 12 TO 20 MPH SHIFTING TO THE SOUTH 23 TO 26 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....GOOD (56800 KNOT-FT) INCREASING TO GOOD (84100 KNOT-FT) IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........43 46 49 45 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............53 63 73 78 RH..............74 60 48 43 EYE LEVEL WIND..SE 6G10 S 10G20 S 12G25 S 18G35 MIX HGT (FT)....300 1900 3300 3800 MIXNG WIND......E 12 E 16 SE 25 S 25 HAINES INDEX....2 2 3 5 $$ FORECASTER...DONAVON REQUESTED BY...BLAKE KNISLEY TYPE OF REQUEST...PRESCRIBED .TAG 20100331.USLOU.01/DMX