####018006882#### FNUS74 KTSA 171545 FWSTSA Spot Forecast for NRCS Prescribed Burn BG_CSP...USDA-NRCS National Weather Service Tulsa OK 1045 AM CDT Wed Apr 17 2024 Forecast is based on ignition time of 1100 CDT on April 17. If conditions become unrepresentative...contact the National Weather Service. Please contact NWS Tulsa at (918)838-7838, if you have questions or concerns with this forecast. .DISCUSSION... Mostly clear skies prevail this afternoon and evening with minimum RH values near 30%. South-southeast winds increase during the afternoon, near 10-15 mph. A warm front lifts into the area this evening bringing increasing moisture and stronger overnight winds (gusting to 20-25 mph). There is a low potential for an isolated thunderstorm to develop this evening/ overnight. A strong cold front arrives tomorrow morning with winds shifting to NNW, gusting 20-30 mph. Additional storms may develop along tomorrow's front. Rainfall will tend to be spotty this evening and tonight, with most areas likely receiving little, if any. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 86. Min humidity........31 percent. Dewpoint............51. Wind (20 ft)........Light winds becoming south 5 to 8 mph in the afternoon. Mixing height.......6300 ft AGL. Transport winds.....South 7 to 16 mph increasing to around 17 mph late in the afternoon. Smoke dispersal.....Fair (28196 knot-ft) early in the morning increasing to excellent (95081 knot-ft) in the afternoon. Stability class.....3. 1700FT Avg MIX T(F).82. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 3 2 1 1 1 2 Weather cov..... Weather type.... Tstm cov........ Temp............75 79 82 84 85 86 86 Dewpoint........51 51 50 50 51 52 53 RH..............44 37 33 31 31 31 32 20 FT wind dir..SW S S S S S S 20 FT wind spd..4 5 6 7 8 8 8 20 FT wind gust.6 6 10 10 12 12 12 Mix hgt (kft)...2.1 3.4 4.2 5.0 5.8 6.3 6.2 Transp wind dir.S S S S S S S Transp wind spd.7 9 10 12 14 16 17 Vrate kt-ft/1K..28 28 95 95 95 95 95 Ventrate Cat....PR PR GD GD GD GD GD 1700FT Mix T(F).79 81 83 84 85 86 86 .TONIGHT... Sky/weather.........Partly cloudy (20-30 percent) then becoming mostly cloudy (55-65 percent). Slight chance of showers and thunderstorms in the evening. Min temperature.....Around 64. Max humidity........100 percent. Dewpoint............56 increasing to 64. Wind (20 ft)........South winds 8 to 12 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......500 ft AGL. Transport winds.....South 16 to 24 mph. Smoke dispersal.....Excellent (95081 knot-ft) early in the evening decreasing to fair (18360 knot-ft) late in the night. Stability class.....5. 1700FT Avg MIX T(F).81. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........11 25 18 40 52 70 64 57 60 63 66 64 Weather cov..... SCH SCH SCH SCH SCH SCH Weather type.... RW RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH SCH Temp............85 81 75 71 68 67 67 65 65 65 65 64 Dewpoint........54 57 57 58 60 61 62 63 64 64 65 64 RH..............35 44 54 63 76 81 84 93 97 97 100 100 20 FT wind dir..S SE SE S S S S S S S S S 20 FT wind spd..8 8 7 9 10 11 10 11 11 11 11 13 20 FT wind gust.12 12 10 13 14 16 14 16 16 16 16 18 Mix hgt (kft)...4.0 0.8 0.5 0.5 0.7 0.8 0.9 0.7 0.7 0.9 0.7 0.8 Transp wind dir.S S S S S S S S S S S S Transp wind spd.16 17 16 18 20 23 23 23 23 24 23 23 Vrate kt-ft/1K..95 18 18 18 18 18 18 20 20 20 20 20 Ventrate Cat....GD PR PR PR PR PR PR PR PR PR PR PR 1700FT Mix T(F).86 85 85 84 83 82 81 79 78 77 77 77 .THURSDAY... Sky/weather.........Partly sunny (55-65 percent). Chance of showers and thunderstorms in the morning. Slight chance of showers and thunderstorms in the afternoon. Max temperature.....Around 80. Min humidity........49 percent. Dewpoint............65 decreasing to 50. Wind (20 ft)........South winds 12 to 13 mph shifting to the west around 12 mph late in the morning, then shifting to the north 13 to 16 mph in the afternoon. Gusts up to 29 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......2900 ft AGL. Transport winds.....South 22 to 28 mph shifting to the north 22 to 26 mph in the afternoon. Smoke dispersal.....Fair (20327 knot-ft) early in the morning increasing to excellent (70163 knot-ft) in the afternoon. Stability class.....4. 1700FT Avg MIX T(F).74 decreasing to 68 late in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........59 57 57 57 57 57 57 57 57 57 57 57 Weather cov..... CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH Weather type.... RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH Temp............64 65 64 72 77 77 80 76 73 71 70 69 Dewpoint........64 65 64 67 66 65 62 58 56 53 51 49 RH..............100 100 100 84 69 67 54 54 55 53 51 49 20 FT wind dir..S S S S SW SW W N N N N N 20 FT wind spd..14 14 13 12 12 12 13 15 16 17 17 17 20 FT wind gust.19 19 18 17 17 17 18 20 22 23 23 23 Mix hgt (kft)...0.9 0.9 1.4 2.0 2.5 2.7 2.2 1.9 2.1 2.4 2.7 2.9 Transp wind dir.S S S SW SW W NW N N N N N Transp wind spd.23 22 26 28 25 23 20 22 24 25 26 26 Vrate kt-ft/1K..20 56 56 56 56 56 56 70 70 70 70 70 Ventrate Cat....PR FR FR FR FR FR FR GD GD GD GD GD 1700FT Mix T(F).78 78 78 78 77 77 77 76 74 72 70 68 $$ Forecaster...M.RADA Requested by...James Dixon Type of request...PRESCRIBED .TAG 2411227.0/TSA .DELDT 04/17/24 .FormatterVersion 2.0.0 .EMAIL james.dixon@usda.gov