FNUS73 KDMX 211240 FWSDMX SPOT FORECAST FOR BUELT WPA...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 740 AM CDT WED APR 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 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 DRIFT SOUTHWARD TODAY BRINGING A WIND SHIFT TO THE NORTH NORTHWEST DURING THE MORNING HOURS. SURFACE WINDS LOOK TO RANGE AROUND 5 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). TEMPERATURE.........58 AT IGNITION...MAX 72. MIN HUMIDITY........49 PERCENT AT IGNITION...MIN 30 PERCENT. WIND (EYE LEVEL)....NORTHWEST WINDS 5 TO 6 MPH IN THE MORNING BECOMING LIGHT...THEN BECOMING NORTHWEST AROUND 5 MPH EARLY IN THE AFTERNOON BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300 FT AGL INCREASING TO 12500 FT AGL. MIXING WINDS........NORTHWEST 3 TO 12 MPH. SMOKE DISPERSAL.....FAIR (39100 KNOT-FT). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........47 45 44 43 42 39 37 35 32 WEATHER COV..... WEATHER TYPE.... TEMP............58 62 64 67 68 70 71 70 69 RH..............49 43 40 36 34 31 30 30 30 EYE LVL WND DIR.NW NW NW NW NW NW NW N N EYE LVL WND SPD.4 4 3 3 3 4 4 4 3 EYE LVL WND GST.5 5 5 5 5 5 5 5 5 MIX HGT (KFT)...1.3 3.9 6.4 9.0 10 11 13 12 11 MIXNG WIND DIR..W W NW NW NW NW W NW NW MIXNG WIND SPD..12 9 7 5 3 3 3 3 3 HAINES INDEX....5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). MIN TEMPERATURE.....45. MAX HUMIDITY........83 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING NORTH 5 TO 6 MPH UNTIL EARLY MORNING...THEN BECOMING LIGHT EARLY IN THE MORNING. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......10200 FT AGL DECREASING TO 500 FT AGL. MIXING WINDS........NORTHEAST 3 TO 6 MPH. SMOKE DISPERSAL.....MARGINAL (30700 KNOT-FT). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........31 27 21 16 17 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 61 56 53 50 49 RH..............31 41 53 61 71 74 EYE LEVEL WIND..N 3 N 5 NE 5 N 5 N 4 NE 3 EYE LEVEL WIND..5 10 5 5 MIX HGT (FT)....10200 3600 300 500 500 400 MIXNG WIND......N 3 N 5 NE 6 NE 5 N 3 N 3 HAINES INDEX....5 5 5 4 4 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....73. MIN HUMIDITY........31 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 8600 FT AGL. MIXING WINDS........EAST 3 TO 5 MPH SHIFTING TO THE SOUTH 1 TO 8 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....GOOD (58900 KNOT-FT). TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........17 23 32 42 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............47 59 68 72 RH..............83 51 36 31 EYE LEVEL WIND..NE 3G5 E 3G5 SE 6G15 SE 7G15 MIX HGT (FT)....400 2000 8200 8600 MIXNG WIND......NE 5 S 1 S 6 S 6 HAINES INDEX....4 4 4 5 $$ FORECASTER...PODRAZIK REQUESTED BY...MICHAEL MAHN TYPE OF REQUEST...PRESCRIBED .TAG 20100421.BUELT.01/DMX