All Weather News

Severe to Snow: Next Western Wave

3 Oct 2016, 7:09 am

A large trough of low pressure digging into the western US will bring a sharp taste of fall through the rest of the week. The cool dry air coming in on the back side will interact with a warm, moist, summer-like airmass out ahead of a surface cold front. The clashing of these air masses will help provide the lift and energy need for the threat of severe storms. To start off the week, a surface trough will develop on the lee side of the rocky mountains. A marginal risk of severe storms will build in a line from their through the evening. The strongest storms will be in a slight risk from Rapid City, SD to North Platte, NE.

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More powerful storms are expected Tuesday as a cold front develops and slowly slides east. South central Kansas and north central Oklahoma look to have the best chance at damaging winds, large hail and isolated tornadoes.

S Day 2

By Wednesday, the severe threat will die down a bit. Strong morning storms will sweep through in a line, left over from Tuesday night. Redevelopment is possible in a marginal risk by the afternoon.

S Day 3

A massive shot of cold air will filter in on the back side of the front. With moisture also wrapping around the parent low pressure system, snow accumulations will be possible in the higher elevations. A series of Winter Alerts have already been issued by the National Weather Service. Up to a foot of snow is possible above 7000 feet.

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Temperatures will drop drastically into the end of the week.

S Tuesday Highs

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For WeatherNation, Meteorologist Karissa Klos

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