Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
600 FNUS75 KBOU 181317 FWSBOU Spot Forecast for ACB Burn 24-001 Boyd Lake SP...OTHER National Weather Service Denver/Boulder CO 717 AM MDT Wed Sep 18 2024 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Today will be dry with plenty of sunshine. Dew points will be a lot lower today leading to minimum relative humidity of around 10-15 percent. The tricky part of the forecast will be the afternoon wind speeds. In the morning there will be light winds generally below 8 mph. By the afternoon, winds will be predominately light but some gusts that could reach as high as 30 mph will be scattered throughout. Tonight, winds will weaken with no precipitation. Dry conditions continue on Thursday with light southeast winds in the afternoon. .REST OF TODAY... Sky/weather.........Mostly sunny (0-10 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 83. Min humidity........13 percent. Wind (20 ft)........Southwest winds 5 to 8 mph until 0900. 9 to 14 mph after 1400. Mixing height.......Below 1000 FT AGL until 0900. 9400 ft AGL after 1400. Transport winds.....Southwest 8 to 17 mph until 1500, then west 16 to 21 mph. Smoke dispersal.....Poor until 1100, then good until 1300, then very good until 1500, then excellent until 1600, then very good. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........7 7 8 8 8 7 6 5 4 5 5 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 Temp............46 51 56 63 68 73 78 81 81 83 82 RH..............70 62 51 36 28 22 16 15 14 13 13 20 FT wind dir..SW SW S S S S S SW SW SW SW 20 FT wind spd..6 6 6 6 7 8 9 10 12 12 10 20 FT wind gust.9 9 9 9 12 13 15 16 18 18 16 Mix hgt (kft)...0.5 0.5 1.3 2.5 4.8 6.9 7.8 9.2 9.5 8.9 8.2 Transp wind dir.SW SW SW SW SW SW SW W W W W Transp wind spd.7 6 8 12 15 15 17 17 20 18 17 Haines index....5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..3 3 9 26 62 90 117 138 161 142 123 SmokeDispersion.P P P P G G VG VG E VG VG .TONIGHT... Sky/weather.........Clear (0-10 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Min temperature.....Around 48. Max humidity........57 percent. Wind (20 ft)........West winds 6 to 11 mph until 2000, then northwest until 2300, then 5 to 13 mph until 0200, then west around 6 mph until 0300, then northwest 5 to 7 mph. Mixing height.......3600 ft AGL until 1900, then Below 1000 FT AGL. Transport winds.....West 8 to 14 mph until 2300. Northwest 8 to 9 mph after 0400. Smoke dispersal.....Fair until 1900, then poor. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........6 5 2 0 0 0 0 0 0 0 0 0 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............80 76 69 66 63 62 60 57 55 52 50 49 RH..............14 17 22 25 29 30 32 36 40 45 47 49 20 FT wind dir..W W W NW NW NW NW N W NW NW W 20 FT wind spd..9 8 8 9 8 8 8 7 6 6 5 5 20 FT wind gust.15 13 13 15 13 13 13 12 9 9 7 7 Mix hgt (kft)...3.6 0.6 0.6 0.6 0.6 0.6 0.5 0.4 0.3 0.4 0.4 0.6 Transp wind dir.W W W NW NW NW NW NW NW NW NW NW Transp wind spd.14 8 8 9 9 9 9 8 7 7 6 7 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..43 4 4 5 5 4 4 3 2 2 2 4 SmokeDispersion.F P P P P P P P P P P P .THURSDAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 84. Min humidity........14 percent. Wind (20 ft)........West winds around 5 mph until 0900, then variable up to 5 mph until 1100, then southeast 6 to 11 mph. Mixing height.......Below 1000 FT AGL until 1000, then 3600 ft AGL until 1200, then 7900 ft AGL until 1700, then 4100 ft AGL. Transport winds.....West 8 to 9 mph until 0800, then light until 1100, then south 8 to 13 mph until 1700, then southeast around 10 mph. Smoke dispersal.....Poor until 1200, then fair until 1300, then good until 1700, then poor. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........7 5 4 2 3 3 4 4 4 4 5 6 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............48 49 53 58 66 70 76 80 82 83 84 83 RH..............57 57 51 42 32 26 21 18 16 15 14 15 20 FT wind dir..W W W SW S SE SE SE SE SE SE SE 20 FT wind spd..5 3 3 3 3 6 8 9 10 10 10 9 20 FT wind gust.7 6 6 6 6 9 13 15 16 16 16 15 Mix hgt (kft)...0.5 0.4 0.3 0.9 2.1 4.0 6.0 7.0 7.9 8.9 6.5 4.1 Transp wind dir.W W W SW S S S S S S S SE Transp wind spd.6 6 3 3 6 8 10 10 12 12 10 10 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..3 2 1 3 10 28 54 65 77 89 61 36 SmokeDispersion.P P P P P P F G G G G P $$ Forecaster...Danielson Requested by...John Sanfilippo Type of request...PRESCRIBED .TAG 2422520.2/BOU .DELDT 09/18/24 .FormatterVersion 2.0.0 .EMAIL john.sanfilippo@state.co.us