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Snow will continue for portions of western Colorado as an upper level system moves across the region. Light snow will continue for portions of the Northern Plains and Great Lakes in association with a weak area of low pressure, 

  • Snow Continuing for Western Colorado on Tuesday
  • Snow Tuesday for the Northern Plains and Great Lakes
  • Excessive Rainfall for the Southern Ohio Valley on Thursday

US Hazards Tuesday, February 13, 2018US Hazards

2017-18 Winter Weather Outlook

Snow Continuing for Western Colorado on Tuesday
Snow will continue across portions of western Colorado through the morning on Tuesday. Additional snowfall accumulations of 1-2 inches are expected. Winds in excess of 45 mph may allow for blowing snow and low visibilities at times.

Major Cities in Region: Grand Junction, CO

Radar 7:20am MST 2/13/18Radar 7:20am MST

Snow Tuesday for the Northern Plains and Great Lakes
Light snow will continue for portions of the Northern Plains and Great Lakes on Tuesday. Accumulations should generally be less than an inch.

Major Cities in Region: Minneapolis, MN, Rhinelander, MI, Marquette, MI

Radar 9:05am CST 2/13/18Radar 9:05am CST

Excessive Rainfall for the Southern Ohio Valley on Thursday
A cold front stretching from the Great Lakes southwestward into the Central Plains will slowly track southeastward into the Central Plains will slowly track southeastward Thursday into Friday. With southerly flow ahead of the front, ample low level moisture will be pumped northward into the Ohio River Valley and Mid Atlantic. With this front providing ample lift and moisture in place across the region, rain and thunderstorm activity will increase in coverage across much of the Tennessee and Ohio River Valleys eastward to the Mid Atlantic. Given the slow moving nature of this frontal boundary any rain and thunderstorm activity that does develop will be slow moving as well, leading to a threat for heavy to excessive rainfall across the region. Widespread rainfall amounts will range 1.0-1.5 with locally higher amounts in excess of 2 inches will be possible, leading to an enhanced threat for flooding and runoff.

Major Cities in Region: Evansville, IN, Louisville, KY, Cincinnati, OH, Columbus, OH

Excessive Rainfall Risk Outline for Thursday, February 15, 2018Excessive Rainfall Risk Outline for Thursday

A Look Ahead
Shower and thunderstorm activity will continue from the Tennessee River Valley into the Northeast ahead of a slow moving cold front Friday into Saturday. Just behind the front, light snow may develop across the Northeast on Friday. With the lack of instability, most, if not all thunderstorm activity should be weak. Further west, an area of low pressure will bring low elevation rain and high elevation snow to the Pacific Northwest Friday into Saturday. Showers and thunderstorms may develop across portions of Texas along a stalled front. 

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