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Welcome to the latest video briefing from the National Weather Service in Grand Junction.
I'll briefly talk about the upcoming winter storm that will move through Utah and Colorado
Tuesday and Wednesday.
A disturbance will move into the intermountain west beginning Monday night and spread precipitation
eastward Tuesday and Wednesday. Most locations in western CO will not see any precipitation
until Tuesday ahead of the system shown, but northeastern UT will begin to see rain and
snow showers as early as Monday night.
Just to give you an idea of where we are expecting to see accumulating snow, here is a graphic
of the probability of 1" or greater snowfall between 6am Tuesday and 6am Wednesday in eastern
Utah and western Colorado. As you can see, it is possible for many areas to receive rain
changing over to snow Tuesday and Wednesday, even at valley locations.
Here is a map of the probability of areas receiving 4" or greater snowfall between the
same time frame of 6am Tuesday and 6am Wednesday. The areas likely to receive the greatest amount
of snow are the Uintah, La Sal, San Juan, and Central Mountains. There is some discrepancy
between models on how long snow will linger after early Wednesday, but it does look like
there will be a second weaker wave producing additional light rain and snow over the San
Juans and Central Divide Mountains on Wednesday in the late morning/early afternoon timeframe.
So what can the region expect? Right now, 4 to 6 inches of new snow is possible over
all mountain ranges Tuesday night through Wednesday with higher amounts of 6-12 inches
over the Uintahs, San Juans, and Central Mountains. Even valley elevations may see an inch or
two through Wednesday morning. Winds will accompany the first part of the system on
Monday through Tuesday, creating winds of 20 to 30 mph with higher gusts possible.
If traveling, stay updated on changing weather conditions at www.weather.gov/gjt. Here you
will find up-to-date watches, warnings and advisories. Before traveling, it is recommended
to also check the latest road conditions from the Department of Transportation.
Thanks for watching the latest video briefing from the National Weather Service in Grand
Junction, CO. As always, you can contact us via phone, Facebook, Twitter, or by email.