weather in the Mid-South to end the week. While these systems are no stranger
to the area, they certainly aren’t as common in the middle of the summer.
This system has brought northwest flow, or widespread northwest winds in the mid and upper levels, that help usher in (relatively) cool, dry air. As a
result, we have seen near record low temperatures at night and quite
comfortable high temperatures during the day.
850mb pressure pattern, wind, and temps. A strong area of low pressure resides over the western Great Lakes, bringing northwest wind into the Ohio Valley and northerly wind into the Mid-South. |
This pattern is atypical this time
of year because a different type of pattern usually dominates the south. This
includes a semi-permanent area of high pressure that sets up off of the east
coast of the U.S., bringing long periods of southerly winds, streaming warm,
humid air into the region. As the aforementioned mid-latitude low pressure
system weakens and recedes to the north, our more typical Bermuda high-dominated weather will return and give us a real taste of summer in the Mid-South. There will also be chances for showers and thunderstorms toward
mid-week due to lingering effects of the low pressure system to our north. By
next weekend we could be pushing towards a heat wave. It certainly does not
take long for summer to decide to return, enjoy the nicer weather while it is
here!
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