Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
533 FNUS75 KBOU 071034 FWSBOU Spot Forecast for Forsythe II Rx - Unit 44...USFS National Weather Service Denver/Boulder CO 434 AM MDT Tue May 7 2024 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...It will be mostly cloudy today with a chance of snow shwers until 1200, then snow showers will be likely with a slight chance of a thunderstorm. Humidity will drop down to 40%. Winds will be west and 20-30 mph with gusts up to 45 mph. Smoke dispersal will be poor until 0800, then good to very good. .REST OF TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Patchy blowing snow until 0800. Chance of snow showers until 1200, then snow showers likely and slight chance of thunderstorms. CWR.................34 percent. Chance of pcpn......60 percent. LAL.................1 until 1200, then 3. Max temperature.....Around 45. Min humidity........40 percent. Wind (20 ft)........West winds 20 to 30 mph with gusts to around 45 mph. Gusty and erratic winds expected near thunderstorms after 1200. Mixing height.......4700 ft AGL until 1200, then 6400 ft AGL. Transport winds.....West 26 to 32 mph until 0900, then 35 to 45 mph. Smoke dispersal.....Poor until 0800, then good until 0900, then very good until 1000, then excellent. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........65 65 65 65 65 72 72 72 72 72 72 Weather cov.....CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY Weather type....SW SW SW SW SW SW SW SW SW SW SW Tstm cov........ SCH SCH SCH SCH SCH SCH CWR.............30 30 30 30 30 30 30 30 30 30 30 Chc of pcpn (%).50 50 50 50 50 60 60 60 60 60 60 LAL.............1 1 1 1 1 3 3 3 3 3 3 Temp............34 37 39 42 44 45 45 45 45 44 44 RH..............56 52 46 43 39 39 39 38 38 38 38 20 FT wind dir..W W W W W W W W W W W 20 FT wind spd..24 23 22 22 22 23 23 24 24 24 23 20 FT wind gust.41 39 37 37 37 39 39 41 41 41 39 Mix hgt (kft)...1.5 3.1 4.0 4.6 5.3 6.5 6.1 6.1 6.1 6.2 5.3 Transp wind dir.W W W W W W W W W W W Transp wind spd.26 32 37 38 39 43 40 41 41 40 39 Haines index....3 3 3 3 3 3 3 3 3 3 3 Vrate kt-ft/1K..35 87 129 153 181 242 212 218 219 218 180 SmokeDispersion.P G VG E E E E E E E E .TONIGHT... Sky/weather.........Mostly cloudy (45-55 percent) until 2100, then partly cloudy (25-35 percent). Chance of snow showers and slight chance of thunderstorms until 2100, then slight chance of snow showers until 2400. CWR.................6 percent. Chance of pcpn......30 percent. LAL.................3 until 2100, then 1. Min temperature.....Around 24. Max humidity........57 percent. Wind (20 ft)........Breezy. West winds 18 to 26 mph with gusts to around 43 mph. Gusty and erratic winds expected near thunderstorms until 2100. Mixing height.......4200 ft AGL until 2000, then 1000 ft AGL until 0200, then Below 1000 FT AGL until 0500, then 1000 ft AGL. Transport winds.....West 33 to 38 mph. Smoke dispersal.....Excellent until 1900, then very good until 2000, then fair until 2100, 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 (%).........53 51 51 43 43 43 22 23 21 19 20 19 Weather cov.....CHC CHC CHC SCH SCH SCH Weather type....SW SW SW SW SW SW Tstm cov........SCH SCH SCH CWR.............10 10 10 10 10 10 0 0 0 0 0 0 Chc of pcpn (%).30 30 30 20 20 20 10 10 10 0 0 0 LAL.............3 3 3 1 1 1 1 1 1 1 1 1 Temp............42 39 35 32 30 29 28 27 27 26 25 24 RH..............39 42 47 51 53 53 50 50 50 50 52 57 20 FT wind dir..W W W W W W W W W W W W 20 FT wind spd..22 20 20 21 20 18 18 21 23 25 25 24 20 FT wind gust.37 33 33 36 33 31 31 36 39 43 43 41 Mix hgt (kft)...5.2 4.1 1.7 1.3 1.6 1.3 1.1 1.0 0.9 0.9 0.9 1.0 Transp wind dir.W W W W W W W W W W W W Transp wind spd.35 36 28 29 29 28 26 30 33 37 36 33 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 Vrate kt-ft/1K..157 128 42 32 40 32 24 26 27 28 28 29 SmokeDispersion.E VG F P P P P P P P P P .WEDNESDAY... Sky/weather.........Partly cloudy (35-45 percent) until 1300, then mostly cloudy (55-65 percent). CWR.................3 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 46. Min humidity........35 percent. Wind (20 ft)........Breezy. West winds 17 to 25 mph until 1700, then northwest around 16 mph. Gusts up to 38 mph. Mixing height.......5600 ft AGL. Transport winds.....West 25 to 32 mph until 1200, then 18 to 23 mph. Smoke dispersal.....Poor until 0700, then fair until 0900, then good. Haines Index........3 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 (%).........33 35 37 40 42 44 46 51 55 60 64 69 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).10 10 10 10 10 10 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............24 25 27 30 33 36 39 41 43 44 44 43 RH..............56 57 52 48 44 41 39 38 35 35 36 37 20 FT wind dir..W W W W W W W W W W W NW 20 FT wind spd..25 23 22 21 20 20 21 21 20 18 17 16 20 FT wind gust.38 35 35 33 31 31 33 33 31 30 28 25 Mix hgt (kft)...1.0 1.5 1.9 2.4 3.0 3.7 4.4 5.0 5.6 6.2 5.5 4.8 Transp wind dir.W W W W W W W W W W W W Transp wind spd.32 32 31 31 28 25 22 21 20 18 18 18 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 Vrate kt-ft/1K..29 41 52 64 74 81 84 90 96 100 88 77 SmokeDispersion.P F F G G G G G G G G G $$ Forecaster...RPK Requested by...Luke Finn Type of request...PRESCRIBED .TAG 2412828.7/BOU .DELDT 05/07/24 .FormatterVersion 2.0.0 .EMAIL luke.finn@usda.gov