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Thornton, Colorado, USA
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Winter Storm Warning issued as Thornton prepares for snowstorm

Friday, April 15th, 2016 6:40am MDT

Hopefully you were able to enjoy the mild temperatures of recent days because they are going to quickly disappear. A significant spring snowstorm has its sights set on Colorado and will usher in colder temperatures and a healthy shot of precipitation.

Friday’s weather starts out calm and quiet. Temperatures will be topping out in the mid-50s by mid-afternoon and from there it is all downhill.

Rain showers will be possible this afternoon with activity becoming widespread by about rush hour. Thunderstorm activity will primarily be east and southeast of us but we can’t rule out some in our area this afternoon and evening. Rain will continue through the night and as temperatures drop in the early morning hours, look for a transition to snow to occur sometime right before dawn Saturday.

Snow will then be continuing throughout the day tomorrow and into Sunday. Winds will be picking up speed as well and when combined with the snow and colder temperatures are going to make for miserable conditions outside. We should see some easing of the snow Sunday morning then tapering off Sunday evening with little accumulation after that.

The National Weather Service has issued a Winter Storm Warning that is in effect from 6:00am Saturday to 6:00am Sunday (full text below the forecast image). The agency warns that 8 to 14 inches total snowfall for the event will be possible. Here in Thornton, we believe 6 to 12 inches is certainly possible.

Much is going to depend on that transition from rain to snow which is largely dependent on temperatures. Should the changeover occur sooner than expected, numbers will go up; later than expected will mean less snow.

The snow will be a typical spring snow – very heavy, very wet. As such it will have the potential to damage trees and downed powerlines. Driving conditions will deteriorate as the day progresses Saturday. Residents should be prepared accordingly.

Be safe and keep an eye on our Winter Weather Briefing Page for all the latest.

URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
521 AM MDT FRI APR 15 2016

…Strong and potent storm will move across Colorado this weekend…

.A strong storm system across the great basin this morning will track southeast and intensify over Arizona by late this afternoon. This storm is then expected to stall over the four corners region through the weekend and impact Colorado weather over the next several days.

The storm system will contain high amounts of moisture and is expected to produce heavy amounts of snow over the front range foothills and the north central mountains. The snow will will be heavy which may cause problems from broken tree branches to downed power lines.

The latest computer forecasts also indicate that temperatures will be cool enough on the northeast Colorado plains for precipitation to fall in the form of snow along the i-25 corridor by later tonight and Saturday. Accumulating snowfall is expected to begin falling during the pre- dawn hours Saturday morning. Significant snow accumulations will be possible on the plains and Palmer Divide from Saturday through Saturday night.

…Winter Storm Warning in effect from 6 am Saturday to 6 am mdt Sunday…

The national weather service in Denver has issued a winter storm warning for heavy snow…which is in effect from 6 am Saturday to 6 am mdt Sunday. The winter storm watch is no longer in effect.

* Timing…scattered showers and isolated thunderstorms this afternoon will transition to widespread rain later in the evening. Rain will mix with snow later tonight and change to all
snow towards dawn. Snow is then expected to continue through the day Saturday and Saturday night. Lighter snow is expected on Sunday.

* Snow accumulations…accumulations of 8 to 14 inches will be possible by Sunday morning. The heavy snow will tend to settle as it accumulates…so snow depths could remain less than 8 inches.

* Wind/visibility…north to northeast winds 15 to 25 mph…especially east of i-25.

* Impacts…snow-covered and snow packed roads are expected… Especially on bridges…overpasses and secondary streets. The snow will be a wet and heavy snow with high liquid densities. Accumulating snow on tree branches may cause trees to break. The snow will also be heavy to shovel…and residents should be cautious to avoid over-exertion while shoveling. Power outages will also be possible.

Precautionary/preparedness actions…

A winter storm warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel…keep an extra flashlight…food…and water in your vehicle in case of an emergency.

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One Response to “Winter Storm Warning issued as Thornton prepares for snowstorm”

  1. Rafael Garcia Says:

    We’re not getting that much snow here in my neighborhood near Colorado Blvd & 120 Ave. Less than an inch ( now at 8:12 pm.) However, the little that there is is extremely slippery! Also, I love the new news page format! Looks great on a smartphone display. Thanks for making the change.

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