706 FNUS74 KOUN 161228 FWSOUN Spot Forecast for Unit 50 Fire...USFS National Weather Service Norman OK 728 AM CDT Mon Apr 16 2018 Forecast is based on request time of 0800 CDT on April 16. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (405) 325-3816 if you have questions or concerns with this forecast. ...RED FLAG WARNING IN EFFECT FROM 11 AM TUESDAY TO MIDNIGHT CDT TUESDAY NIGHT... .DISCUSSION... Wind speeds will increase late this morning thru this afternoon to 15 to 20 mph from the south, with gusts near 20 to 25 mph. MinRH is expected to drop just below 20%, with temperatures climbing into the upper 70s. By tomorrow, temperatures and wind speeds will increase significantly. MinRH on Tue afternoon is expected to be in the single digits. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 77. Min humidity........19 percent. Wind (20 ft)........Southeast winds 5 to 10 mph in the morning, increasing from the southeast and south to 15 to 20 mph with gusts to 20 to 25 mph. Mixing height.......600-1700 ft AGL, increasing to 5200-5900 ft AGL. Transport winds.....South 8 to 17 mph early in the morning. Smoke dispersal.....Fair to excellent (23800-70600 knot-ft), increasing to excellent (80400 knot-ft) in the afternoon. Mixing height.......600-1700 ft AGL, increasing to 5200-5900 ft AGL. Transport winds.....South 8 to 17 mph early in the morning. TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........4 2 2 3 5 Weather cov..... Weather type....NONE NONE NONE NONE NONE Tstm cov........ Temp............33 45 58 68 74 RH..............61 42 27 22 19 20 ft wind......SE 8 SE 12 S 14 S 16 S 17 20 ft wind gust.10 14 18 20 22 Mix hgt (ft)....600 1700 3700 5200 5800 Transport wind..E 15 SE 13 S 21 S 24 S 29 VRate ktft/1000.26 49 71 99 121 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....Around 56. Max humidity........43 percent. Wind (20 ft)........Southwest winds 13 to 17 mph with gusts to around 22 mph. Mixing height.......5000-5700 ft AGL, decreasing to 0-200 ft AGL. Transport winds.....Southwest 13 to 17 mph. Smoke dispersal.....Excellent (86900 knot-ft), decreasing to poor (0 knot-ft). Mixing height.......5000-5700 ft AGL, decreasing to 0-200 ft AGL. Transport winds.....Southwest 13 to 17 mph. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........5 16 18 18 15 17 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Temp............77 68 62 58 60 59 RH..............20 28 34 37 37 39 20 ft wind......SE 17 SE 15 SE 13 S 14 S 16 SW 17 20 ft wind gust.22 19 16 18 20 22 Mix hgt (ft)....5700 3400 100 BLW100 200 100 Transport wind..S 24 SE 20 SE 18 S 20 S 21 S 20 VRate ktft/1000.124 90 41 0 0 0 .TUESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....Around 92. Min humidity........5 percent. Wind (20 ft)........Breezy. Southwest winds 14 to 23 mph with gusts to around 30 mph, increasing to 24 to 25 mph with gusts to around 32 mph late. Mixing height.......100-1000 ft AGL, increasing to 7200-8500 ft AGL. Transport winds.....Southwest 14 to 23 mph, increasing to 24 to 25 mph late. Smoke dispersal.....Poor to good (800-46400 knot-ft), increasing to excellent (121700 knot-ft). Mixing height.......100-1000 ft AGL, increasing to 7200-8500 ft AGL. Transport winds.....Southwest 14 to 23 mph, increasing to 24 to 25 mph late. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........17 40 28 22 Weather cov..... Weather type....NONE NONE NONE NONE Tstm cov........ Temp............56 64 83 91 RH..............43 28 11 6 20 FT wind......SW 16G20 SW 14G18 SW 20G25 SW 24G31 Mix hgt (ft)....100 300 5200 8500 Transport wind..SW 18 SW 22 SW 31 SW 41 VRate ktft/1000.1 75 148 170 $$ Forecaster...BARNES Requested by...Matthew G. Lamb Type of request...WILDFIRE .TAG 1806751.0/OUN .EMAIL mattlamb@fs.fed.us