FNUS74 KOUN 201030 FWSOUN SPOT FORECAST FOR CACHE RX...BIA NATIONAL WEATHER SERVICE NORMAN OK 530 AM CDT WED MAR 20 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LIGHT NORTHEAST WINDS...5 TO 10 KTS WILL SLOWLY SHIFT OUT OF THE EAST SOUTHEAST THROUGH LATE THIS AFTERNOON/EARLY EVENING. ANY WINDS GUSTS WILL BE LIGHT NEAR THE BURN SITE...10 TO 15 KTS. MID MORNING TEMPERATURES WILL START OFF IN THE UPPER 40S TO LOWER 50S...WITH AFTERNOON HIGHS ACROSS SOUTHWESTERN OKLAHOMA RANGING IN THE LOW TO MID 60S. RH VALUES NEAR IGNITION TIME EXPECTED IN THE UPPER 40S...WITH MINIMUMS THIS AFTERNOON IN THE MID TO UPPER 20S. LOOK FOR PARTLY CLOUDY SKIES THIS MORNING...TRANSITIONING TO MOSTLY SUNNY THIS AFTERNOON. RAIN CHANCES ACROSS THE REGION WILL INCREASE AFTER MIDNIGHT ACROSS NORTHWESTERN OKLAHOMA...SPREADING SOUTH AND EASTWARD THROUGH THE DAY THURSDAY. FIRE WEATHER CONDITIONS WILL INCREASE BEHIND THIS SYSTEM THURSDAY AFTERNOON ACROSS EXTREME SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS...AS SOUTH/SOUTHWESTERLY FLOW INTRODUCES...INCREASED WINDS...HIGHS IN THE UPPER 70S...AND MINIMUM RH VALUES IN THE LOW 20S. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....49 AT IGNITION...MAX 63. MIN HUMIDITY........50 PERCENT AT IGNITION...MIN 26 PERCENT. 20-FOOT WINDS.......WINDS NORTHEAST AT 6 MPH AT IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 8 MPH. MIXING HEIGHT.......1100 FT AGL AT IGNITION...OTHERWISE 100-1100 FT AGL INCREASING TO 5900-6400 FT AGL. TRANSPORT WINDS.....SOUTHEAST 5 TO 8 MPH. SMOKE DISPERSAL.....FAIR /14800 KNOT-FT/ AT IGNITION. MAX...GOOD /45200 KNOT-FT/ INCREASING TO GOOD TO EXCELLENT (52900-63400 KNOT-FT) LATE IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........PC PC PC MCR MCR MCR MCR MCR MCR WEATHER COV..... WEATHER TYPE.... TEMP............49 53 56 59 61 62 63 63 62 RH..............50 41 35 30 28 27 26 26 28 20 FT WIND DIR..NE E E E E E SE SE SE 20 FT WIND SPD..6 6 7 7 7 7 7 7 8 20 FT WIND GUST.10 10 10 10 10 10 10 10 15 MIX HGT (KFT)...1.1 2.6 4.4 5.9 6.4 6.4 6.2 6.2 6.0 MIX HGT (KM)....0.3 0.8 1.3 1.8 2.0 2.0 1.9 1.9 1.8 TRANSP WIND DIR.E E E E E E SE SE S TRANSP WIND SPD.8 7 6 6 6 7 8 9 12 TRANS SPD (M/S).4 3 3 3 3 3 4 4 5 VRATE KTFT/1000.15 19 24 29 37 45 53 59 63 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....MIN 47. MAX HUMIDITY........MAX 63 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 8 TO 16 MPH. GUSTS UP TO 25 MPH IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......3700-5400 FT AGL DECREASING TO LESS THAN 100 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 8 TO 16 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (17900-64300 KNOT-FT) DECREASING TO POOR TO POOR (4600-12200 KNOT-FT) AFTER MIDNIGHT. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....MAX 73. MIN HUMIDITY........MIN 40 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 8 TO 16 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......500-1600 FT AGL INCREASING TO 2500-3700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5600-7300 FT AGL EARLY IN THE AFTERNOON INCREASING TO 7800 FT AGL LATE IN THE AFTERNOON DECREASING TO 5800 FT AGL DECREASING TO 2800 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH. SMOKE DISPERSAL.....FAIR TO EXCELLENT (19000-62900 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (52000-92000 KNOT-FT) IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO FAIR TO GOOD (15600-33200 KNOT-FT) LATE IN THE AFTERNOON. $$ FORECASTER...KURTZ REQUESTED BY...JOSH WILLIIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20130320.CACHE.02/OUN