For the week of January 14:
An extremely cold air mass has pushed its way southward into the Western and Central United States on Monday. This was a large departure from the unseasonably high temperatures experienced by much of the Eastern half of the country. The sharp temperature contrast between these two air masses can clearly be seen extending from Texas and into E. Canada on the 850 millibar temperature chart below:
Along this steep temperature gradient, persistent rainfall is expected to occur in areas west of the Appalachian from Monday through Wednesday. A strong high pressure located in the Atlantic will block the eastward progressing trough, allowing for moisture from the Gulf of Mexico to funnel its way into areas such as Louisiana, Tennessee, Kentucky, Virginia, and West Virginia. The overrunning moisture along the frontal boundary will bring moderate to heavy rainfall, likely leading to localized flooding issues in these areas. Below is the three-day quantitative precipitation forecast from the HPC:
Into the weekend, latest models hint at a low pressure system developing in the Alberta province and swinging southward into northern Minnesota, Wisconsin, and Michigan. Moderate snowfall and gusty winds could be expected within this region on Saturday/Sunday. The storm can be seen in central Wisconsin on this four-panel chart for Saturday afternoon:
Stratustatus will keep you posted on all the potential weather events this week. Follow us on
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Have a good week!
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