FNUS73 KDMX 211526 FWSDMX SPOT FORECAST FOR LIZARD LAKE POST...IOWA DNR NATIONAL WEATHER SERVICE DES MOINES IA 1026 AM CDT MON MAY 21 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 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... HIGH PRESSURE IS CENTERED OVER THE AREA THIS MORNING. LIGHT AND VARIABLE WINDS WILL REMAIN OVER THE FORECAST SITE THROUGH EARLY TO MID AFTERNOON...THOUGH A FEW GUSTS NEAR 15 MPH ARE POSSIBLE FROM THE WEST NORTHWEST. THE SWITCH TO LIGHT SOUTHEAST WINDS WILL OCCUR LATE THIS AFTERNOON INTO THE EARLY EVENING. RELATIVE HUMIDITY VALUES THIS AFTERNOON WILL BE IN THE 20S DUE TO TEMPERATURES IN THE MID 70S AND DEWPOINTS IN THE UPPER 30S. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........29 PERCENT. EYE LEVEL WINDS.....WEST WINDS 5 TO 6 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300 FT AGL INCREASING TO 8100 FT AGL. MIXING WINDS........NORTHEAST 1 TO 9 MPH SHIFTING TO THE EAST AROUND 1 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (800-57800 KNOT-FT). WIND (20 FT)........WEST WINDS 5 TO 6 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........14 15 16 19 22 24 27 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............69 70 72 74 75 74 74 RH..............39 36 34 30 29 29 29 20 FT WIND DIR..N N NW W W SW S 20 FT WIND SPD..5 5 5 5 5 3 3 20 FT WIND GUST. 5 5 EYE LVL WND DIR.N N NW W W SW S EYE LVL WND SPD.4 4 4 4 4 2 2 EYE LVL WND GST. 5 5 MIX HGT (KFT)...6.8 6.6 7.1 7.6 8.1 7.5 6.9 MIXNG WIND DIR..N N N N N NE E MIXNG WIND SPD..8 7 6 3 2 1 1 HAINES INDEX....4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 53. MAX HUMIDITY........66 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6300 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........SOUTH 2 TO 9 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1500-13400 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........28 34 43 49 51 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............72 67 62 60 57 55 RH..............30 37 44 51 59 64 20 FT WIND......S 3 S 5 SE 7 S 8 S 9 S 9 20 FT WIND GUST.5 10 10 10 10 EYE LEVEL WIND..S 2 S 4 SE 5 S 6 S 6 S 6 EYE LVL WND GST.5 10 10 10 10 MIX HGT (FT)....6300 2300 300 300 300 300 MIXNG WIND......SE 2 SE 6 S 8 S 9 S 9 S 9 HAINES INDEX....4 4 4 4 5 5 .TUESDAY... MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........32 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 18 MPH INCREASING TO 21 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 6200 FT AGL. MIXING WINDS........SOUTH 10 TO 15 MPH INCREASING TO 21 TO 30 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (2300-37200 KNOT-FT) INCREASING TO EXCELLENT TO EXCELLENT (118800-155300 KNOT-FT). WIND (20 FT)........SOUTH WINDS 9 TO 18 MPH INCREASING TO 21 TO 23 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........M M M M WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TSTM COV........ TEMP............56 70 78 82 RH..............64 43 36 32 20 FT WIND......S 9G10 S 18G25 S 23G30 S 23G30 EYE LEVEL WIND..S 6G10 S 13G25 S 16G30 S 16G30 MIX HGT (FT)....300 3000 5400 6200 MIXNG WIND......S 10 S 25 S 25 S 29 HAINES INDEX....5 5 4 4 $$ FORECASTER...DONAVON REQUESTED BY...JOHN MCCLEARY TYPE OF REQUEST...PRESCRIBED .TAG 20120521.LIZAR.01/DMX