FNUS73 KDMX 211619 AAA FWSDMX SPOT FORECAST FOR RINGGOLD WMA...UPDATED NATIONAL WEATHER SERVICE DES MOINES IA 1119 AM CDT WED APR 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 21. 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 BOUNDARY WILL SETTLE SOUTH ACROSS NORTHERN IOWA TODAY. AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS SOUTHERN IOWA...PRODUCING OCCASIONAL SHOWERS THROUGH MID AFTERNOON. .REST OF TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS LIKELY EARLY IN THE AFTERNOON...THEN CHANCE OF SHOWERS LATE IN THE AFTERNOON. MAX TEMPERATURE.....61. MIN HUMIDITY........46 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH EARLY IN THE AFTERNOON. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6600 FT AGL. MIXING WINDS........SOUTH 3 TO 7 MPH. SMOKE DISPERSAL.....MARGINAL (33000 KNOT-FT). TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........92 90 88 85 81 WEATHER COV.....LKY LKY CHC CHC CHC WEATHER TYPE....RW RW RW RW RW TEMP............60 60 60 60 60 RH..............58 58 58 58 60 EYE LVL WND DIR.NE E SE SE S EYE LVL WND SPD.3 4 5 5 5 EYE LVL WND GST.5 5 MIX HGT (KFT)...5.9 6.2 6.6 5.9 5.2 MIXNG WIND DIR..S S S S S MIXNG WIND SPD..7 5 3 3 3 HAINES INDEX....3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....47. MAX HUMIDITY........74 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 3 TO 5 MPH. SMOKE DISPERSAL.....POOR (13500 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........79 71 59 33 30 26 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............59 57 55 53 51 50 RH..............62 59 59 61 66 71 EYE LEVEL WIND..S 4 SW 3 W 2 W 3 NW 3 N 2 EYE LEVEL WIND..5 5 5 5 5 MIX HGT (FT)....4500 1700 300 300 300 300 MIXNG WIND......S 3 S 5 S 5 SW 5 S 3 S 3 HAINES INDEX....3 4 4 3 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING PARTLY SUNNY (65-75 PERCENT). MAX TEMPERATURE.....70. MIN HUMIDITY........45 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 6 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 7000 FT AGL. MIXING WINDS........SOUTH 5 TO 14 MPH INCREASING TO AROUND 16 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (51200 KNOT-FT) INCREASING TO GOOD (86000 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........23 46 70 69 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE RNSHWR RNSHWR TEMP............49 58 66 69 RH..............74 59 48 45 EYE LEVEL WIND..NE 1 SE 3G5 SE 6G15 SE 6G15 MIX HGT (FT)....300 1800 5300 7000 MIXNG WIND......SE 5 SE 9 S 6 S 12 HAINES INDEX....4 4 4 4 $$ FORECASTER...MOYER REQUESTED BY...NATURAL RESOURCE TECH TYPE OF REQUEST...PRESCRIBED .TAG 20100421.RINGG.01/DMX