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 Post subject: Weather Outlook into Mid December
Post Posted: Dec 1, 2019 11:03 am 
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Ah, what a difference a day makes. Mostly sunny day on tap today with temps returning to near average most areas, and light winds for most areas, with some gusty winds over higher terrain in the mountains.

For the week ahead, Models build upper ridge over CO Monday into Tuesday as upper low remains off the CA coast. This pattern will keep CO dry and bring temps near to slightly above average. Wednesday will remain dry for most areas outside of a few flurries across the southwest mountains. Temps will remain at or slightly above average.

On Thursday, upper low that was off the CA coast will move across CO as a weak upper trough. This will bring snow to western CO mostly south of I-70 Thursday morning and will bring a chance for some light snow to foothill and Urban Corridor areas late Thursday morning into Thursday afternoon. Mountain areas could see 2-6 inches while locally we should see less than an inch. Snow will diminish Thursday afternoon and remain mostly over mountain areas then end by by midnight. Temps Thursday will be below average most areas.

Upper ridge builds back over CO Friday into Saturday leaving most areas dry but temps will remain below average. By late Saturday upper level trough will approach CO and move over the state on Sunday. This will bring a chance for snow to western CO west of the Divide Saturday evening and snow will spread east to the Front Range Crest by Sunday morning. Some snow may spread east to the I-25 corridor late Sunday morning into Sunday afternoon, but amounts look to remain light east of the Front Range Crest, generally less than 2 inches, while mountain areas could see 6-12 inches. Temps will remain below average Sunday.

We ended November with 23 inches of snow on Conifer Mountain, well above our average of 11 inches for the month. This leaves us with 47 inches for the season, which is also well above our average of 28 inches through November, so off to a very good start for our snow season.

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"Climatology is what you expect, Weather is what you get" - R. Heinlein.

"Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating; there is really no such thing as bad weather, only different kinds of good weather" - John Ruskin


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 Post subject: Re: Weather Outlook into Mid December
Post Posted: Dec 3, 2019 2:12 pm 
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Some breezy conditions early today but winds should mostly die down this afternoon and temps will be 5-10 degrees above average under mostly sunny skies.

Upper level low that has been off the CA coast will move inland over central CA on Wednesday, and ahead of this system moisture will bring a chance for some light precip across southwest CO with snow level near 8000 ft. Elsewhere in CO expect partly cloudy skies and temps should remain above average on Wednesday. Models bring the upper trough across CO on Thursday and this will bring better chances for precip for most of the state. Precip will increase in intensity across southwest CO Wednesday night and spread east to about the I-25 corridor by Thursday morning, and there will be a slight chance for some freezing drizzle along the Urban Corridor and lower foothills Thursday morning. Snow becomes more likely across eastern CO Thursday morning into Thursday afternoon as snow level lowers to near 5000 ft. Snow begins to diminish Thursday evening and should be done by midnight. For snow amounts, southwest mountains could see 5-10 inches, with 2-6 inches central and norther mountains. Foothill areas could see a dusting to 2 inches, and generally less than an inch for Urban Corridor areas and eastern plains. Temps on Thursday will be below average.

Upper level ridge will build over the Rockies Friday into Saturday which will keep dry conditions over the state and temps will be near average Friday and above average Saturday.

By Sunday, next upper level trough moves along the West Coast and enough moisture ahead of this system will bring a chance for snow to areas of western CO late Saturday night into Sunday morning with snow level near 6000 ft. Snow will spread east to the Front Range Crest by Noon, but little if any is expected east of the Front Range Crest as snow continues Sunday afternoon in the mountains. Temps on Sunday will be above average east of the Front Range Crest as strong westerly winds create katabatic warming for eastern CO. Mountain areas could see 6-18 inches from this weekend system.

For next week, as the upper trough moves across CO on Monday snow will persist in mountain areas as snow level lowers below 4000 ft. Foothills may see a dusting of snow Monday, but not much more than that expected. Mountains could see an additional 2-5 inches on Monday. Temps on Monday will be well below average with temps remaining below freezing most areas. Conditions dry out on Tuesday except for a few lingering flurries Tuesday morning in the mountains. Otherwise mostly dry conditions but temps will remain cold.

Wednesday should be mostly dry statewide but breezy with temps back near average. Weak upper level trough moves over the state THursday and will bring a chance for snow to mountain areas, but areas east of the Front Range Crest should remain dry with temps near average. Friday through the weekend looks to remain mostly dry with temps near average.

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"Climatology is what you expect, Weather is what you get" - R. Heinlein.

"Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating; there is really no such thing as bad weather, only different kinds of good weather" - John Ruskin


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 Post subject: Re: Weather Outlook into Mid December
Post Posted: Dec 7, 2019 3:57 pm 
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Mostly sunny and breezy day today with temps mostly above average. Upper level trough off the West Coast will move into the Great Basin Sunday and across CO on Monday. This will bring snow to mountain areas west of the Front Range Crest on Sunday above 7000 ft with breezy westerly wind in foothill areas on Sunday. Foothills may see a few flakes, but little if any accumulation expected. Snow will persist Sunday night into Monday afternoon across mountain areas, and perhaps a few flurries over foothill areas and the Urban Corridor Monday as colder air moves in with snow level below 4000 ft. Mountains could see 6-12 inches of snow Sunday into Monday along and west of the Front Range Crest. Elsewhere a dusting to an inch at most. Temps Sunday will be near to slightly below average, then temps Monday will be well below average.

For Tuesday through Friday, upper level ridge moves over the Western U.S. which should keep CO under a mostly dry northwest flow aloft. Temps will be near average Tuesday and Wednesday and above average Thursday and Friday. There will be a chance for some snow west of the Front Range Crest Friday, but eastern areas should remain dry.

For next weekend, next upper level system will approach CO on Saturday and bring widespread precip across the state with snow level near 8000 ft. Precip continues into Sunday morning as snow level lowers to 4000 ft. Conditions should clear by Sunday afternoon.

_________________
"Climatology is what you expect, Weather is what you get" - R. Heinlein.

"Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating; there is really no such thing as bad weather, only different kinds of good weather" - John Ruskin


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