FNUS73 KDMX 160122 FWSDMX SPOT FORECAST FOR ASHTON POINTE...RING OF FIRE NATIONAL WEATHER SERVICE DES MOINES IA 822 PM CDT THU APR 15 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 16. 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... EXPECT NORTHWEST WINDS TO BECOME GUSTY ON FRIDAY BY MID MORNING THEN CONTINUE INTO THE AFTERNOON. DRY CONDITIONS WILL PREVAIL ON FRIDAY AND THROUGH THE WEEKEND. THE RETURN OF DRIER AIR AND GOOD MIXING CONDITIONS WILL ALLOW RELATIVE HUMIDITIES VALUES TO DIP INTO THE 30S. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........38 PERCENT. WIND (EYE LEVEL)....NORTH WINDS 8 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5200 FT AGL. MIXING WINDS........NORTH 17 TO 26 MPH INCREASING TO 25 TO 28 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR (38800 KNOT-FT) INCREASING TO EXCELLENT (123200 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........35 37 41 44 39 28 23 22 20 18 15 13 WEATHER COV..... WEATHER TYPE.... TEMP............49 50 54 55 57 58 59 60 61 61 61 59 RH..............77 71 61 57 51 47 44 42 39 39 38 39 EYE LVL WND DIR.NW N N N N N N N N N N N EYE LVL WND SPD.6 7 8 9 10 10 10 10 10 10 9 8 EYE LVL WND GST.15 15 15 20 20 20 25 25 20 20 20 15 MIX HGT (KFT)...0.3 0.3 1.9 2.9 4.2 4.8 5.1 5.2 5.2 5.1 5.0 4.5 MIXNG WIND DIR..N N N N N N N N N N N N MIXNG WIND SPD..17 21 24 26 28 28 28 26 26 25 26 26 HAINES INDEX....3 3 3 3 4 4 5 5 5 5 5 5 $$ FORECASTER...DONAVON REQUESTED BY...RYAN SCHLATER TYPE OF REQUEST...PRESCRIBED .TAG 20100416.ASHTO.01/DMX