FNUS73 KDMX 210941 FWSDMX SPOT FORECAST FOR WOODDUCK MARCH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 441 AM CDT SAT APR 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... LIGHT AND VARIABLE WINDS EARLY THIS MORNING WILL TURN TO SOUTH AND INCREASE TO NEAR 15 MPH WITH INTERMITTENT HIGHER GUSTS BY MIDDAY. RELATIVE HUMIDITY WILL DECREASE AFTER SUNRISE...BOTTOMING OUT AT AROUND 60 PERCENT IN THE AFTERNOON. LIGHT SHOWERS ARE EXPECTED DURING THE DAY. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE MORNING...THEN PERIODS OF RAIN SHOWERS IN THE LATE MORNING AND AFTERNOON. TEMPERATURE.........43 AT IGNITION...MAX 52. RH..................73 PERCENT AT IGNITION...MIN 63 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 14 MPH SHIFTING TO THE SOUTHEAST 9 TO 16 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1600 FT AGL INCREASING TO 3500 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO 18 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1300-46900 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (50900-72200 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS SOUTH AT 15 MPH AT IGNITION...OTHERWISE SOUTH WINDS 5 TO 14 MPH SHIFTING TO THE SOUTHEAST 9 TO 16 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........91 97 100 99 96 94 92 89 WEATHER COV.....PDS PDS PDS PDS PDS PDS PDS PDS WEATHER TYPE....RW RW RW RW RW RW RW RW TSTM COV........ TEMP............43 43 42 44 47 49 51 52 RH..............73 76 82 79 71 68 66 63 20 FT WIND DIR..S S S S S S S SE 20 FT WIND SPD..15 15 15 15 16 15 13 9 20 FT WIND GUST.20 20 20 20 20 20 15 10 EYE LVL WND DIR.S S S S S S S SE EYE LVL WND SPD.11 11 11 11 11 11 9 6 EYE LVL WND GST.20 20 20 20 20 20 15 10 MIX HGT (KFT)...1.6 2.6 3.5 3.5 3.5 3.4 3.2 2.9 MIXNG WIND DIR..S S S S S S S S MIXNG WIND SPD..18 21 23 24 24 23 22 21 HAINES INDEX....4 3 3 3 3 3 3 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). RAIN SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 38. RH..................MAX 100 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING WEST AROUND 5 MPH LATE IN THE EVENING SHIFTING TO THE NORTHEAST 5 TO 7 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2600 FT AGL DECREASING TO 800 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTHEAST 9 TO 18 MPH SHIFTING TO THE EAST 5 TO 12 MPH LATE IN THE EVENING...THEN INCREASING TO AROUND 15 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (900-41900 KNOT-FT). WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT...THEN BECOMING WEST AROUND 5 MPH LATE IN THE EVENING SHIFTING TO THE NORTHEAST 5 TO 7 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........88 87 87 86 87 87 WEATHER COV.....LIKELY LIKELY LIKELY CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............52 47 43 42 39 38 RH..............66 76 89 89 96 100 20 FT WIND......SE 7 S 5 W 3 E 5 E 6 NE 7 20 FT WIND GUST. 5 EYE LEVEL WIND..SE 5 S 4 W 2 E 4 E 4 NE 5 EYE LVL WND GST. 5 MIX HGT (FT)....2600 1000 300 300 300 500 MIXNG WIND......S 18 SE 15 SE 9 SE 5 E 5 E 12 HAINES INDEX....4 4 4 3 3 3 .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). TEMPERATURE.........MAX 55. RH..................MIN 50 PERCENT. MIXING HEIGHT.......2600 FT AGL INCREASING TO 6900 FT AGL. MIXING WINDS........EAST 9 TO 18 MPH SHIFTING TO THE NORTH 7 TO 8 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR TO GOOD (17300-42900 KNOT-FT). WIND (20 FT)........NORTH WINDS 6 TO 8 MPH. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........88 82 71 62 WEATHER COV.....ISOLTD ISOLTD ISOLTD ISOLTD WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ TEMP............39 45 52 54 RH..............92 73 54 50 20 FT WIND......NE 7 NE 7 N 6 N 8G10 MIX HGT (FT)....1100 3300 6100 6900 MIXNG WIND......SE 18 SE 13 E 8 NE 7 $$ FORECASTER...LEE REQUESTED BY...JIM GONZALEZ TYPE OF REQUEST...PRESCRIBED .TAG 20120421.WOODD.01/DMX