Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
548 FNUS75 KBOU 182235 FWSBOU Spot Forecast for Pearl...Larimer County Sheriffs Office National Weather Service Denver/Boulder CO 435 PM MDT Wed Sep 18 2024 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...It will be mostly clear tonight with humidity recovery around 45 percent. West winds 10-15 mph with gusts up to 28 mph. On Thursday, it will be mostly sunny with minimum humidity around 20 percent. Winds will be west 8-14 mph with gusts up to 20 mph until 1500, then southwest 6-12 mph with gusts to 20 mph. .REST OF TODAY... Sky/weather.........Mostly sunny (10-20 percent). CWR.................0 percent. LAL.................1. Max temperature.....Around 60. Min humidity........23 percent. Wind (20 ft)........West winds around 18 mph with gusts to around 30 mph. Mixing height.......5400 ft AGL. Transport winds.....West around 30 mph. Smoke dispersal.....Very good. Haines Index........4 or low potential for large plume dominated fire growth. TIME (MDT) 5PM Sky (%).........15 Weather cov..... Weather type.... Tstm cov........ CWR.............0 LAL.............1 Temp............58 RH..............24 20 FT wind dir..W 20 FT wind spd..18 20 FT wind gust.30 Mix hgt (kft)...5.4 Transp wind dir.W Transp wind spd.30 Haines index....4 Vrate kt-ft/1K..141 SmokeDispersion.VG .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. LAL.................1. Min temperature.....Around 41. Max humidity........44 percent. Wind (20 ft)........West winds 10 to 15 mph with gusts to around 28 mph. Mixing height.......4600 ft AGL until 1900. Below 1000 FT AGL after 2000. Transport winds.....West 20 to 28 mph until 2000, then 15 to 20 mph. Smoke dispersal.....Very good until 1900, then poor. Haines Index........4 or low potential for large plume dominated fire growth. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........16 12 4 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 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............57 55 51 49 48 46 45 45 44 43 42 43 RH..............25 30 33 36 36 38 39 39 41 41 43 42 20 FT wind dir..W W W W W W W W W W W W 20 FT wind spd..17 16 15 15 15 16 16 16 16 15 15 14 20 FT wind gust.28 25 24 24 24 25 25 25 25 24 24 22 Mix hgt (kft)...4.6 1.9 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.W W W W W W W W W W W W Transp wind spd.28 20 17 17 17 18 17 18 18 18 17 17 Haines index....4 4 4 4 4 4 4 4 4 4 4 4 Vrate kt-ft/1K..111 33 7 6 6 7 6 6 6 6 6 6 SmokeDispersion.VG P P P P P P P P P P P .THURSDAY... Sky/weather.........Mostly sunny (5-15 percent). CWR.................0 percent. LAL.................1. Max temperature.....Around 63. Min humidity........19 percent. Wind (20 ft)........West winds 8 to 14 mph with gusts to around 22 mph. Mixing height.......Below 1000 FT AGL until 0900. 7100 ft AGL after 1100. Transport winds.....West 15 to 21 mph. Smoke dispersal.....Poor until 1000, then fair until 1100, then good until 1200, then very good until 1700, then good. 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 (%).........8 7 6 5 5 6 6 7 8 9 12 15 Weather cov..... Weather type.... Tstm cov........ CWR.............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............41 42 44 48 53 56 57 60 62 62 63 61 RH..............44 44 43 37 30 26 24 22 21 19 20 21 20 FT wind dir..W W W W W W W W W SW SW S 20 FT wind spd..14 13 13 12 12 10 10 9 9 8 7 7 20 FT wind gust.22 21 21 18 18 16 16 15 15 13 12 12 Mix hgt (kft)...0.4 0.4 0.5 1.9 3.3 4.7 5.9 6.3 6.8 7.3 7.2 7.0 Transp wind dir.W W W W W W W W W W W W Transp wind spd.18 17 16 20 21 20 20 20 18 20 16 15 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..6 6 7 32 60 80 100 107 110 124 100 91 SmokeDispersion.P P P P F G VG VG VG VG VG G $$ Forecaster...RPK Requested by...SGT Derek Rosenquist Type of request...WILDFIRE .TAG 2422609.6/BOU .DELDT 09/18/24 .FormatterVersion 2.0.0 .EMAIL rosenqdc@co.larimer.co.us,luke.finn@usda.gov