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Shift In Weather Pattern Means Taste of Winter for the Northeast But Warm Weather for the West

Beginning tomorrow and lasting through next week, the continental United States will be affected by a shift in the jet stream, the upper level “river” of high-speed winds in the atmosphere, causing major changes in weather for some regions and the intensification of current conditions in others.

As we dive deeper into the fall season, the jet stream, which is typically more benign in the summer months, will become more active. From this, we will see more dramatic changes in the upper-level trough and ridge pattern.

Next week, a trough will dig into the northeastern portion of the United States, bringing chilly Canadian air to the Upper Great Lakes region and northeastern states. Forecast models are indicating that this region will see the coldest air they have experienced thus far in this the fall season. There is even a chance that the far northeastern states could see a dusting of snow by next weekend.

Meanwhile, a ridge will build over the western half of the country. This will continue to bring above average temperatures and tack on more dry days to their growing tally, further worsening this region’s drought conditions.

Mid-Missouri will be on the eastern side of this ridge. The upper level northwesterly flow will keep us dry throughout the entire week with temperatures right around to just above normal for this time of year.

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