FNUS75 KBOU 261140 FWSBOU Spot Forecast for Glacier View Community Burn Day...Larimer County Sheriffs Office National Weather Service Denver/Boulder CO 540 AM MDT Fri Apr 26 2024 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...It will be mostly cloudy today with a slight chance of rain showers this morning, then an increasing chance of rain showers this afternoon and maybe a thunderstorm after 1500. Gusty northwest winds can be expected through much of day with good to excellent smoke dispersal after 0900. Rain will increase tonight and continue through Saturday. Dispersal on Saturday will be poor through the day. .TODAY... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers until 1200, then rain showers and slight chance of thunderstorms. CWR.................14 percent. Chance of pcpn......80 percent. LAL.................1 until 1200, then 2 until 1500, then 3. Max temperature.....Around 58. Min humidity........37 percent. Wind (20 ft)........Northwest winds 14 to 23 mph with gusts to around 35 mph until 1600, then 11 to 16 mph with gusts to around 25 mph. Gusty and erratic winds expected near thunderstorms after 1200. Mixing height.......Below 1000 FT AGL until 0800. 6300 ft AGL after 1000. Transport winds.....West 23 to 28 mph until 0800. Northwest 20 to 25 mph after 1500. Smoke dispersal.....Poor until 0800, then good until 0900, then very good until 1000, then excellent until 1400, then very good until 1700, then good. Haines Index........4 or low potential for large plume dominated fire growth. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........74 68 66 66 66 63 66 68 69 73 80 87 Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY DEF Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH SCH CWR.............10 10 10 10 10 10 10 10 10 10 10 10 Chc of pcpn (%).30 30 30 30 30 30 40 50 50 60 70 80 LAL.............1 1 1 1 1 1 2 2 2 3 3 3 Temp............42 44 46 49 52 54 56 57 58 58 57 55 RH..............67 60 55 50 44 43 40 38 37 39 40 45 20 FT wind dir..NW W W W W NW NW NW NW NW NW NW 20 FT wind spd..18 20 21 23 22 20 18 17 15 14 13 13 20 FT wind gust.35 35 35 35 35 35 35 33 31 30 25 24 Mix hgt (kft)...0.6 0.7 2.4 3.8 5.2 5.7 6.6 6.7 6.8 7.2 6.2 4.6 Transp wind dir.W W W NW NW NW NW NW NW NW NW NW Transp wind spd.25 25 33 33 33 31 30 28 24 23 21 21 Haines index....4 4 4 4 4 4 4 4 4 4 4 4 Vrate kt-ft/1K..14 14 70 109 151 155 173 161 143 144 112 83 SmokeDispersion.P P G VG E E E E VG VG VG G .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Chance of thunderstorms until 2100. Rain showers. Slight chance of thunderstorms after 2100. CWR.................83 percent. Chance of pcpn......90 percent. LAL.................4 until 2100, then 3. Min temperature.....Around 36. Max humidity........100 percent. Wind (20 ft)........Northwest winds 8 to 13 mph with gusts to around 20 mph until 2000, then north 5 to 8 mph until 2400, then south around 6 mph until 0100, then north 5 to 8 mph until 0400, then northeast around 6 mph until 0500, then variable up to 5 mph. Gusty and erratic winds expected near thunderstorms until 2100. Gusty and erratic winds expected near thunderstorms after 2100. Mixing height.......2500 ft AGL until 2000, then Below 1000 FT AGL until 2100, then 1200 ft AGL. Transport winds.....North 13 to 18 mph until 2000, then west around 9 mph until 2100, then north around 8 mph until 2200, then northwest until 2300, then north 8 to 11 mph until 0100, then northeast 8 to 13 mph. Smoke dispersal.....Fair until 1900, then poor. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........90 92 95 94 97 97 97 97 97 98 97 98 Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH SCH CWR.............70 70 70 70 70 70 80 80 80 80 80 80 Chc of pcpn (%).90 90 90 90 90 90 80 80 80 80 80 80 LAL.............4 4 4 3 3 3 3 3 3 3 3 3 Temp............53 49 45 43 41 41 40 39 38 37 37 37 RH..............48 58 70 79 85 85 89 89 96 96 96 100 20 FT wind dir..NW NW N N N N S N N N NE E 20 FT wind spd..12 9 8 6 6 5 6 6 7 7 6 3 20 FT wind gust.20 17 15 13 10 8 7 8 8 7 Mix hgt (kft)...3.5 2.4 0.9 1.3 1.3 1.3 1.4 1.4 1.3 1.3 1.3 1.2 Transp wind dir.N N W N NW N NE NE NE NE NE NE Transp wind spd.16 15 9 8 8 8 8 8 9 9 10 13 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 Vrate kt-ft/1K..48 32 8 8 9 9 10 10 10 10 12 13 SmokeDispersion.F P P P P P P P P P P P .SATURDAY... Sky/weather.........Cloudy (95-100 percent). Slight chance of thunderstorms until 1200. Rain showers and snow showers. Chance of thunderstorms after 1200. CWR.................99 percent. Chance of pcpn......100 percent. LAL.................2 until 0900, then 3 until 1200, then 4. Max temperature.....Around 38. Min humidity........89 percent. Wind (20 ft)........Northeast winds 6 to 11 mph. Gusty and erratic winds expected near thunderstorms until 1200. Gusty and erratic winds expected near thunderstorms after 1200. Mixing height.......Below 1000 FT AGL until 0700, then 1600 ft AGL until 1200, then Below 1000 FT AGL until 1400, then 1100 ft AGL. will develop Transport winds.....East 10 to 17 mph until 0900, then northeast 12 to 20 mph. Smoke dispersal.....Poor. Haines Index........2 or very low potential for large plume dominated fire growth. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........100 100 100 100 100 100 100 100 100 100 100 100 Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF Weather type....RW RW RW RW RS RS RS RS RS RS RS RW Tstm cov........SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CWR.............100 100 100 100 100 100 100 100 100 100 100 100 Chc of pcpn (%).100 100 100 100 100 100 100 100 100 100 100 100 LAL.............2 2 2 3 3 3 4 4 4 4 4 4 Temp............37 38 37 37 36 35 35 35 35 35 35 35 RH..............92 89 92 92 96 96 96 96 96 96 96 96 20 FT wind dir..NE NE NE NE NE E NE NE NE NE NE NE 20 FT wind spd..6 7 10 10 10 10 9 9 9 10 10 10 20 FT wind gust.9 12 16 16 16 16 15 15 15 16 16 16 Mix hgt (kft)...0.9 1.6 1.4 1.6 1.5 1.2 0.9 0.9 1.0 1.1 1.1 1.1 Transp wind dir.E E NE NE NE NE NE NE NE NE NE NE Transp wind spd.10 15 17 20 17 15 12 13 13 14 14 14 Haines index....2 2 2 2 2 2 2 2 2 2 2 2 Vrate kt-ft/1K..8 20 21 27 23 15 9 10 12 13 13 14 SmokeDispersion.P P P P P P P P P P P P $$ Forecaster...Cooper Requested by...Derek Rosenquist Type of request...PRESCRIBED .TAG 2412257.0/BOU .DELDT 04/26/24 .FormatterVersion 2.0.0 .EMAIL rosenqdc@co.larimer.co.us