FNUS73 KDMX 112210 FWSDMX SPOT FORECAST FOR UNIT 5...US FWS NATIONAL WEATHER SERVICE DES MOINES IA 510 PM CDT WED APR 11 2012 FORECAST IS BASED ON IGNITION TIME OF 1640 CDT ON APRIL 11. 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... WINDS WILL BE LIGHT AND VARIABLE TO CALM THIS EVENING AND TONIGHT. RELATIVE HUMIDITY WILL BE QUITE LOW IN THE LATE AFTERNOON AND EARLY EVENING...THEN INCREASE STEADILY AFTER SUNSET AS TEMPERATURES COOL. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT). TEMPERATURE.........53 AT IGNITION...MAX 54. RH..................24 PERCENT AT IGNITION...MIN 21 PERCENT. EYE LEVEL WINDS.....LIGHT AND VARIABLE. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5400 FT AGL. MIXING WINDS........EAST 3 TO 10 MPH. SMOKE DISPERSAL.....FAIR TO GOOD (15000-31300 KNOT-FT). WIND (20 FT)........WINDS NORTHEAST AT 1 MPH AT IGNITION. TIME (CDT) 4PM 5PM 6PM SKY (%).........6 5 5 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............53 52 51 RH..............21 24 27 20 FT WIND DIR..NE NE NE 20 FT WIND SPD..1 1 1 20 FT WIND GUST.5 5 EYE LVL WND DIR.NE NE NE EYE LVL WND SPD.1 1 1 EYE LVL WND GST.5 5 MIX HGT (KFT)...5.4 5.4 5.4 MIXNG WIND DIR..NE NE E MIXNG WIND SPD..3 3 5 HAINES INDEX....5 6 6 .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). PATCHY FROST AFTER MIDNIGHT. TEMPERATURE.........MIN 29. RH..................MAX 78 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN THE EVENING. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5500 FT AGL DECREASING TO 2000 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 5 TO 7 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1000-21800 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN THE EVENING. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........0 0 0 0 0 0 0 0 2 4 5 6 WEATHER COV..... PTY PTY PTY PTY PTY PTY WEATHER TYPE.... FST FST FST FST FST FST TSTM COV........ TEMP............53 50 46 42 39 36 34 32 31 31 29 29 RH..............23 27 31 37 44 50 56 63 66 69 75 78 20 FT WIND DIR..NE NE E E E SE S S S S S S 20 FT WIND SPD..1 1 1 2 3 5 6 6 6 6 6 6 20 FT WIND GUST. 5 5 5 EYE LVL WND DIR.NE NE E E E SE S S S S S S EYE LVL WND SPD.1 1 1 1 2 4 4 4 4 4 4 4 EYE LVL WND GST. 5 5 5 MIX HGT (KFT)...5.5 3.7 2.0 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 MIXNG WIND DIR..SE SE SE S S S S S S S S S MIXNG WIND SPD..5 5 5 5 6 6 7 7 6 6 6 6 HAINES INDEX....6 6 6 6 6 5 5 5 5 5 5 5 $$ FORECASTER...COGIL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20120411.UNIT5.01/DMX