FNUS73 KDMX 041300 FWSDMX SPOT FORECAST FOR IOWA LAKE MARSH...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 800 AM CDT MON MAY 4 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 04. 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... EXPECT CLOUDY SKIES TODAY WITH ISOLATED HIGH BASED LIGHT RAIN SHOWERS. WINDS WILL INITIALLY BE LIGHT AND VARIABLE...BECOMING MORE SOUTHERLY DURING THE AFTERNOON. ANY RAINFALL AMOUNTS WILL BE QUITE LIGHT...NO MORE THAN A FEW HUNDREDTHS OF AN INCH. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). TEMPERATURE.........52 AT IGNITION...MAX 72. RH..................50 PERCENT AT IGNITION...MIN 30 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 11 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000 FT AGL INCREASING TO 10100 FT AGL. MIXING WINDS........NORTHEAST 5 TO 6 MPH SHIFTING TO THE SOUTH 6 TO 15 MPH EARLY IN THE MORNING...THEN INCREASING TO AROUND 16 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (34900 KNOT-FT) INCREASING TO EXCELLENT (122300 KNOT-FT). TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........47 51 54 57 59 60 63 65 67 70 WEATHER COV..... WEATHER TYPE.... TEMP............52 57 60 63 66 68 70 71 70 70 RH..............50 43 39 36 33 32 30 30 30 30 EYE LVL WND DIR.SE SE S S S S S S S S EYE LVL WND SPD.3 4 5 5 6 6 7 8 9 9 EYE LVL WND GST.5 5 10 10 15 15 15 20 20 MIX HGT (KFT)...0.7 1.0 3.2 5.5 7.7 8.5 9.3 10 9.4 8.8 MIXNG WIND DIR..E SE SE S S S S S S S MIXNG WIND SPD..6 7 7 7 8 9 12 14 15 16 HAINES INDEX....5 5 5 6 6 6 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS. TEMPERATURE.........MIN 53. RH..................MAX 72 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 11 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......8100 FT AGL DECREASING TO 1200 FT AGL. MIXING WINDS........SOUTHWEST 17 TO 24 MPH. SMOKE DISPERSAL.....EXCELLENT (121400 KNOT-FT) DECREASING TO FAIR (20800 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........71 76 82 86 86 87 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............69 64 61 59 56 55 RH..............30 45 51 57 66 69 EYE LEVEL WIND..S 9 S 8 S 9 S 9 S 6 S 5 EYE LEVEL WIND..20 25 25 25 20 20 MIX HGT (FT)....8100 3100 600 600 1000 1000 MIXNG WIND......S 17 S 23 S 23 S 20 S 20 SW 22 HAINES INDEX....5 4 4 3 3 3 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN SHOWERS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. TEMPERATURE.........MAX 68. RH..................MIN 48 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 11 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 4700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6000 FT AGL EARLY IN THE AFTERNOON DECREASING TO 3800 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 18 TO 24 MPH. SMOKE DISPERSAL.....FAIR (27100 KNOT-FT) INCREASING TO EXCELLENT (83100 KNOT-FT) LATE IN THE MORNING...THEN INCREASING TO EXCELLENT (114700 KNOT-FT) EARLY IN THE AFTERNOON DECREASING TO EXCELLENT (108300 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........87 79 72 80 WEATHER COV.....CHANCE CHANCE LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............55 61 65 67 RH..............72 60 54 49 EYE LEVEL WIND..S 8G15 S 8G15 SW 6G20 SE 7G20 MIX HGT (FT)....600 2000 6000 5200 MIXNG WIND......SW 24 SW 18 SW 22 SW 24 HAINES INDEX....3 4 4 4 $$ FORECASTER...MOYER REQUESTED BY...DAVE WHITE TYPE OF REQUEST...PRESCRIBED .TAG 20090504.IOWAL.01/DMX