FNUS73 KDMX 041313 FWSDMX SPOT FORECAST FOR BUTTERFLY HILL...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 713 AM CST WED MAR 4 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 CST ON MARCH 04. 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... SUNNY SKIES TODAY WILL HELP TO PROMOTE MIXING ACROSS THE AREA WITH SOUTH TO SOUTHEAST WINDS INCREASING BY MID TO LATE MORNING. THE RELATIVELY DRY AIRMASS WILL ALLOW RELATIVE HUMIDITIES TO DROP INTO THE 40S BY AFTERNOON AS DAYTIME HIGHS CLIMB TO NEAR 50 DEGREES. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). TEMPERATURE.........41 AT IGNITION...MAX 50. RH..................59 PERCENT AT IGNITION...MIN 48 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 2300 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHEAST 12 TO 18 MPH. SMOKE DISPERSAL.....GOOD (37500 KNOT-FT). TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........11 12 13 15 18 21 25 28 WEATHER COV..... WEATHER TYPE.... TEMP............37 41 43 46 47 49 48 48 RH..............59 52 53 49 49 48 51 54 EYE LVL WND DIR.S S S S S S S S EYE LVL WND SPD.10 10 10 10 10 10 9 8 EYE LVL WND GST.25 25 25 25 20 20 20 15 MIX HGT (KFT)...1.3 1.7 2.0 2.1 2.2 2.3 2.1 1.9 MIXNG WIND DIR..S S S S S S S SE MIXNG WIND SPD..14 15 15 16 18 18 17 15 HAINES INDEX....3 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). AREAS OF FOG AFTER MIDNIGHT. TEMPERATURE.........MIN 37. RH..................MAX 79 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 9 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL. MIXING WINDS........SOUTHEAST 9 TO 15 MPH. SMOKE DISPERSAL.....FAIR (18500 KNOT-FT). TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........30 51 63 70 71 71 WEATHER COV..... AREAS AREAS AREAS WEATHER TYPE....NONE NONE NONE FOG FOG FOG TEMP............47 44 43 41 40 39 RH..............58 62 65 70 73 79 EYE LEVEL WIND..S 6 SE 6 SE 6 S 7 S 6 S 6 EYE LEVEL WIND..15 15 15 15 15 10 MIX HGT (FT)....1700 700 300 300 600 700 MIXNG WIND......SE 13 SE 14 SE 13 SE 10 SE 9 SE 12 HAINES INDEX....4 4 4 4 3 3 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). AREAS OF FOG EARLY IN THE MORNING...THEN PATCHY FOG LATE IN THE MORNING. TEMPERATURE.........MAX 58. RH..................MIN 53 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 2400 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 16 TO 22 MPH DECREASING TO AROUND 12 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (41700 KNOT-FT). TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........72 69 65 62 60 56 WEATHER COV.....AREAS AREAS PATCHY WEATHER TYPE....FOG FOG FOG NONE NONE NONE TEMP............39 42 47 53 56 56 RH..............79 76 68 59 53 55 EYE LEVEL WIND..S 6 S 6 S 7 S 8 SW 7 SW 6 EYE LEVEL WIND..10 10 15 15 15 15 MIX HGT (FT)....700 400 800 1900 2200 2300 MIXNG WIND......S 17 S 17 S 18 S 22 SW 22 SW 16 HAINES INDEX....3 4 4 4 4 4 $$ FORECASTER...COGIL REQUESTED BY...JAMES KRIZMAN TYPE OF REQUEST...PRESCRIBED .TAG 20090304.BUTTE.01/DMX