Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
232 FNUS75 KBOU 021019 FWSBOU Spot Forecast for Green MTN RX...USFS National Weather Service Denver/Boulder CO 419 AM MDT Sun Jun 2 2024 If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Transport winds will become westerly after 1200 today. With today expected to be the warmest day of the year thus far, temperatures in the area are forecast to climb into the high 70s - low 80s, which will help decrease relative humidity values to below your 15% threshold. There is a slight chance for some high-based thunderstorms to develop after 1500 which could cause gusty and erratic winds. Monday will see slight improvements to minimum relative humidity values as they are expected to climb to 18%, however, transport winds are forecast to remain westerly throughout the day. .TODAY... Sky/weather.........Mostly sunny (10-20 percent) until 1300, then partly cloudy (35-45 percent) until 1600, then mostly cloudy (50-60 percent) until 1700, then partly cloudy (45-55 percent). CWR.................4 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 78. Min humidity........13 percent. Wind (20 ft)........Southwest winds 6 to 12 mph with gusts to around 20 mph until 1400, then west 12 to 17 mph with gusts to around 24 mph. Gusty and erratic winds expected near thunderstorms after 1500. Mixing height.......Below 1000 FT AGL until 0900, then 3400 ft AGL until 1000, then 9400 ft AGL until 1100, then 13900 ft AGL until 1300, then 15900 ft AGL until 1700, then 12000 ft AGL. Transport winds.....Southwest 8 to 11 mph until 0900. West 21 to 26 mph after 1200. Smoke dispersal.....Poor until 0900, then fair until 1000, then excellent. Haines Index........6 or high potential for large plume dominated fire growth. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 7 6 11 11 12 25 34 44 48 54 49 Weather cov..... SCH SCH Weather type.... RW RW Tstm cov........ SCH SCH CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 2 2 1 Temp............49 53 58 65 71 73 75 76 77 76 75 74 RH..............48 41 35 26 19 16 13 13 13 13 13 14 20 FT wind dir..SW SW SW SW SW W W W W W W W 20 FT wind spd..6 6 6 6 6 8 12 12 15 14 14 13 20 FT wind gust.10 10 10 10 10 13 18 20 24 23 23 22 Mix hgt (kft)...0.3 0.3 0.6 3.4 9.4 12 15 16 16 15 15 12 Transp wind dir.SW SW SW W W W W W W W W W Transp wind spd.8 8 8 15 21 24 25 23 22 23 21 21 Haines index....6 6 6 6 6 6 6 6 6 6 6 6 Vrate kt-ft/1K..2 2 5 44 169 258 319 314 307 306 262 216 SmokeDispersion.P P P F E E E E E E E E .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent) until 2000, then partly cloudy (25-35 percent). CWR.................2 percent. Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 47. Max humidity........47 percent. Wind (20 ft)........West winds 5 to 13 mph until 2400, then southwest 5 to 8 mph. Mixing height.......9200 ft AGL until 1900. Below 1000 FT AGL after 2000. Transport winds.....West 13 to 20 mph until 2000, then northwest 8 to 13 mph until 2200, then west 8 to 9 mph until 2400, then north around 8 mph until 0100, then west until 0200, then 8 to 10 mph until 0400, then southwest. Smoke dispersal.....Excellent until 1900. Poor after 2200. Haines Index........6 or high potential for large plume dominated fire growth. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........66 53 46 39 32 25 18 19 19 20 21 21 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 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............72 68 64 60 57 55 54 52 52 49 49 49 RH..............16 21 25 32 36 39 41 43 43 45 46 46 20 FT wind dir..W NW W W W W W W W W SW SW 20 FT wind spd..9 8 8 7 7 6 7 7 7 7 7 6 20 FT wind gust.15 13 13 12 12 9 12 12 12 12 12 9 Mix hgt (kft)...9.2 4.3 0.9 0.6 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 Transp wind dir.W W NW NW W W N W W W SW SW Transp wind spd.20 13 12 9 7 6 8 8 7 7 7 7 Haines index....6 6 6 6 6 6 6 6 6 6 6 6 Vrate kt-ft/1K..156 47 9 5 2 1 2 2 2 2 1 1 SmokeDispersion.E F P P P P P P P P P P .MONDAY... Sky/weather.........Mostly sunny (20-30 percent) until 0900, then partly cloudy (35-45 percent) until 1400, then mostly cloudy (60-70 percent). CWR.................3 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 77. Min humidity........18 percent. Wind (20 ft)........Southwest winds 5 to 8 mph until 1600, then south around 6 mph until 1700, then west. Mixing height.......Below 1000 FT AGL until 0800, then 1400 ft AGL until 0900, then 5000 ft AGL until 1000, then 9600 ft AGL until 1700, then 6000 ft AGL. Transport winds.....West 8 to 16 mph. Smoke dispersal.....Poor until 0900, then good until 1000, then very good until 1600, 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 (%).........22 24 24 29 33 41 45 49 56 63 68 70 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 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............47 52 56 61 68 71 73 75 76 76 76 76 RH..............47 43 38 32 25 22 20 18 18 18 18 19 20 FT wind dir..SW SW SW SW SW SW SW SW SW W S W 20 FT wind spd..7 6 6 6 6 6 6 6 6 6 6 6 20 FT wind gust.12 9 9 8 9 9 10 9 10 10 9 9 Mix hgt (kft)...0.3 0.5 1.4 5.0 7.8 9.1 10 10 10 9.9 8.0 6.0 Transp wind dir.W SW W W W W W W W W W W Transp wind spd.8 8 12 15 15 15 15 15 16 16 14 13 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..2 4 14 65 101 118 134 133 141 139 96 66 SmokeDispersion.P P P G VG VG VG VG VG VG G G $$ Forecaster...Bonner Requested by...James Pilsmaker Type of request...PRESCRIBED .TAG 2415471.0/BOU .DELDT 06/02/24 .FormatterVersion 2.0.0 .EMAIL james.pilsmaker@usda.gov