More Snow Denver to Minneapolis Next Week

By , Expert Senior Meteorologist
April 13, 2013; 6:17 AM
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The weather pattern will favor additional waves of cold, snow, rain and thunderstorms over the middle of the nation next week.

Call it deja vu, living the movie Groundhog Day or something else, but many of the areas that were hit with snow and/or cold are likely to be hit again by another storm spanning Tuesday, Wednesday and Thursday.

According to Long Range Weather Expert Jack Boston, "While all storms are unique, the new storm could take a very similar path from the Rockies to the Plains and the Upper Midwest spanning Tuesday through Thursday of next week and has the potential to put down a swath of heavy snow."

While the intensity of the storm has yet to be determined, it could be intense enough to disrupt travel along major highways and could lead to flight delays at major airports and connecting hubs along the way.

Long stretches of I-25, I-70, I-80 and I-90 could be impacted by snow and ice.

Depending on the exact track of the storm, cities including Denver, Casper, Wyo., Rapid City, S.D., Scottsbluff, Neb., Sioux Falls, S.D., and Minneapolis could be in for a brief period of snow or something much more substantial and long-lasting.

Icy branches partially block a city street and fall amid parked cars, Wednesday, April 10, 2013, in Sioux Falls, S.D. The area was hit Tuesday and Wednesday by up to an inch of freezing rain and several inches of snow. Farther west, between 1 and 3 feet of snow fell on parts of western South Dakota, western Nebraska, Wyoming and Colorado. (AP Photo/Dirk Lammers)

The early indications are that the storm next week may not be quite as intense as this week's monster. While winds may kick up some dust over the deserts they may be less powerful over Southern California and the Southwest in general, when compared to Monday and Tuesday of this past week.

The new storm may not have quite the magnitude of cold air on its northern and western flank. However, it is likely to have heavy, wind-driven snow and unusual cold for a multiple-day stretch in parts of the same area hit by the recent storm.

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It could also bring another round of severe weather beginning over parts of the central and southern Plains to portions of the Midwest and South as the week progresses.

Odds favor the severe weather focusing over the lower Mississippi Valley. However, storms could ignite farther west over the central and southern Plains and may eventually march right along into the Appalachians and East Coast.

The major storm next week will be preceded by a snowfall along the northern tier of the nation from Montana to northern Minnesota this weekend. A half a foot of snow could fall in some areas.

This map shows the preliminary storm streaking across the northern tier states. The main new storm will emerge from the Four Corners states early next week.

More Moisture!

Away from the disruptions and dangers from the new storm on deck is the potential for another dose of needed moisture in an area bracing for extreme drought this summer.

Interestingly this week's storm and other prior storms since the latter part of the winter have streams and rivers near flood stage over portions of the Midwest. Many areas of the Central states have received between 1 and 5 inches of rain (or the liquid equivalent) in the past week.

Water levels on the upper Mississippi River, including the St. Louis area, are recovering from their near-record lows during the start of the winter.

This river level forecast map is a product of the National Weather Service (NWS) and the United States Geological Survey (USGS).

The NWS is projecting minor flooding on portions of the Mississippi River over the next couple of weeks. Moderate flooding is possible on some of the tributaries and other streams in the vicinity.

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