Cool Summer

July 8, 2015: It’s still summer, right? Outside of a few days in early June near 90° and a handful of days around average (middle 80’s), we’ve spent most of the “summer” as “extended spring”. Blame it on a stubborn weather pattern that’s been with us for several weeks.

It looks roughly like this:

Click on image to enlarge.

General weather pattern over the last several weeks. Click on image to enlarge.

A ridge is bringing heat to the west, and a trough has hovered over the Midwest, keeping us cooler than average, and definitely rainy.

On occasion, though, the jet stream pattern has been able to break out of its stubborn funk and take on a different shape.  This will be occurring later this week:

Click on image to enlarge.

Weather pattern by the weekend. Click on image to enlarge.

Hot and humid weather sneaks back into the Midwest as the jet stream draws north again and flattens. This should give us our first good shot at 90° since a month ago.  However, a series of disturbances in the jet stream will give us plenty of opportunities for showers and thunderstorms. Here’s our latest thinking on rain chances later this week:

Click on image to enlarge.

Click on image to enlarge.

This is subject to change a little as we get a clearer view on each of the disturbances and when they pass through the area. At this point, be ready for on and off showers, much like last month, but hot and humid weather along with that.

Don’t look for this new pattern to last too long. By next week, we look to roughly go back to the stubborn weather pattern, with a few interruptions like we are seeing for this weekend.

-Alex

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This post was written by Alex Kirchner on July 8, 2015

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