Blocking jet stream pattern will foster cooler weather

A lot of time during the fall and winter months Meteorologists look at the longwave jet stream pattern to discern what kinds of weather we’ll have here in the Lower-48. Typically in the summertime, the jet stream is weaker…and this summer even the weaker jet has been well north into Canada.

But here is the pattern that will take us through the latter half of August. A persistent ridge of high pressure will ride high into Greenland which will send cool air from Canada south into the Great Lakes states. While this means cooler, fall-like weather for us here, it also means persistent heat and dry weather for the fire-stricken west. -ES

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Posted under weather, weather geek, wildfires

This post was written by qni_it on August 14, 2012

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