This is all due to a nagging trough that's been situated over the eastern part of the United States for most of the summer. Amplified troughs and ridges are defined by the jet stream--aka high winds in the upper levels of the atmosphere. The jet stream divides air masses, so south of the jet stream, folks can expect hot weather and folks north of the jet stream can expect cool weather. Obviously, we've been in the cool portion of the jet stream for some time now!
Jet Stream Pattern Mid week |
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