Lurking Low

This day started out with beautiful sunshine, but as expected the clouds have filled in.  An upper level low pressure system is over Texas and there’s a low pressure system at the surfaced along the Texas/Louisiana coast. That’s the source of the cloud cover but the showers for the most part should hold off until late tonight and tomorrow.

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The low will move east this week along with the trough at the surface.  That means we’ll keep a chance of showers in the forecast through Friday. I think the chance of rain will stay low to moderate.  The greatest chance of rain will be along the Tennessee River.  The temperatures remain the really nice part of the story, highs will be in the mid 60s to low 70s.

A taste of summer comes over the weekend.  An upper level ridge develops resulting in dry and warm weather through the weekend into Monday. This feature on the map is often referred to as the Omega Block.  It looks like the greek letter Omega and it blocks rain from moving in.  The ridge will flatten in the middle of the week, then a front will pass by and settle south that will bring some rain for Tuesday.

Omega Block

The Omega Block will shift to the east by the weekend putting the Mid-South in the warm zone.

By far the weekend will be the highlight of the next 7 days, I hope you can make some time to be outdoors.

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Reminder…Surviving the Storm is tomorrow night (Thursday 4/14) at the Salem United Methodist Church in Clarksville.  It’s a free weather safety show featuring the entire 4WARN Weather Team.  I hope you can make it.

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Lisa Spencer

posted 2:50pm

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About Lisa Spencer

Lisa Spencer is the chief meteorologist at WSMV Channel 4 Nashville. You can catch her weathercasts weekdays at 5pm, 6pm and 10pm.
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