FNUS73 KDMX 141006 FWSDMX SPOT FORECAST FOR SAND SPRINGS...HARDIN COUNTY CONSERVATION NATIONAL WEATHER SERVICE DES MOINES IA 506 AM CDT TUE MAY 14 2013 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT TODAY. 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... STRONG SOUTHWEST WINDS OF 20 TO 25 MPH WITH GUSTS TO NEAR 35 MPH ARE EXPECTED THIS AFTERNOON. WINDS WILL BEGIN TO DIMINISH PAST 7 PM TONIGHT BUT REMAIN SOUTHWEST UNTIL A COLD FRONT MOVES ACROSS THE STATE PAST MIDNIGHT TONIGHT. THE LOWEST RELATIVE HUMIDITY WILL BE BETWEEN 2 PM AND 5 PM THIS AFTERNOON. .REST OF TODAY... TEMPERATURE.........80 AT IGNITION...MAX 92. RH..................35 PERCENT AT IGNITION...MIN 23 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 16 MPH SHIFTING TO THE SOUTHWEST 20 TO 23 MPH IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL INCREASING TO 3700 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 10 TO 16 MPH INCREASING TO 21 TO 29 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO FAIR (9300-17600 KNOT-FT) INCREASING TO FAIR TO EXCELLENT (29700-92800 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........WINDS SOUTHWEST AT 10 MPH AT IGNITION...OTHERWISE SOUTH WINDS 10 TO 16 MPH SHIFTING TO THE SOUTHWEST 20 TO 23 MPH IN THE AFTERNOON. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM TEMP............80 83 87 89 91 91 91 90 RH..............35 32 28 25 24 23 24 25 20 FT WIND DIR..SW S S S SW SW SW SW 20 FT WIND SPD..10 14 16 20 22 23 23 21 20 FT WIND GUST.15 20 25 25 30 30 30 30 EYE LVL WND DIR.SW S S S SW SW SW SW EYE LVL WND SPD.7 10 11 14 16 16 16 15 EYE LVL WND GST.15 20 25 25 30 30 30 30 MIX HGT (KFT)...1.1 1.6 2.1 2.7 3.2 3.7 2.8 1.9 MIXNG WIND DIR..SW SW SW SW SW SW SW SW MIXNG WIND SPD..10 13 16 21 25 29 28 25 HAINES INDEX....6 6 6 6 6 6 6 6 .TONIGHT... TEMPERATURE.........MIN 58. RH..................MAX 75 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 9 TO 18 MPH SHIFTING TO THE NORTH AROUND 8 MPH EARLY IN THE MORNING. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1000 FT AGL. MIXING WINDS........SOUTHWEST 13 TO 22 MPH SHIFTING TO THE NORTHWEST 8 TO 10 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....POOR TO FAIR (1600-18200 KNOT-FT). WIND (20 FT)........NORTHWEST WINDS 9 TO 18 MPH SHIFTING TO THE NORTH AROUND 8 MPH EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............87 79 73 68 64 59 RH..............28 39 51 61 67 75 20 FT WIND......SW 18 SW 13 W 9 NW 9 NW 9 NW 9 20 FT WIND GUST.25 15 10 10 10 10 EYE LEVEL WIND..SW 13 SW 9 W 6 NW 6 NW 6 NW 6 EYE LVL WND GST.25 15 10 10 10 10 MIX HGT (FT)....1000 500 300 300 300 300 MIXNG WIND......SW 22 SW 17 SW 13 W 8 NW 8 NW 8 HAINES INDEX....6 6 6 5 5 5 $$ FORECASTER...PODRAZIK REQUESTED BY...ROB ALLEN TYPE OF REQUEST...PRESCRIBED .TAG 20130514.SANDS.01/DMX