Friday, June 10, 2011

Another "cold front" will affect west TN this weekend

Strong high pressure at all levels of the atmosphere has served up an extended heat wave over the past two weeks.  Officially, we have seen 90 degrees every day since May 28 with no rain recorded.  Unfortunately, extended range data indicates that the heat spell will continue for another week or maybe two, as strong high pressure continues to dominate.

Every once in a while, a weak cold front will approach the region, which could bring slightly higher rain chances.  The next of those arrives this weekend.  On Saturday, high pressure weakens just enough to allow a front that has been sitting just to our north for several days to slide into west Tennessee. It will stall out over the area Saturday night before retreating back to the north Sunday.  The map below shows the expected location of the front on Sunday morning. The presence of the front means a *slightly* increased chance of rain showers or thunderstorms, primarily during peak heating hours from 3-8pm each day.  We'll cross our fingers that one of those rain showers is over your home!  High temperatures this weekend are expected to remain in the mid 90s, however, so the front really doesn't bring much relief from the heat!

High pressure builds back in Monday, though a possible convective system to our north could graze a portion of the Mid-South Monday morning. Dry weather is then expected for a couple more days before another front tries to sneak into the region.

Check out the MWN Forecast for the specifics for the next week.

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