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Week of June 10th Heavy Rain and Thunderstorms Discussion


IsentropicLift

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The northward surge of the warm front could still occur directly behind the decaying MCS, where the clearing is being observed. We should also start to see improving mid level lapse rates. At the very least, elevated instability should increase with the surface instability maximizing just south of the warm front.

 

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I don't see any overwhelming evidence that would cause that to happen. I actually wouldn't be surprised if it was pushed a little farther south to account for the developing MCS in WV.

 

There are at least upgrading mod risk further south over Carolinas. But perhaps the slight risk will be expaned little further north for the possible MCV over NE PA/NNJ

 

http://www.spc.noaa.gov/products/md/md1059.html

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Significant breaks of sun here in Andover.  Winds gusting to 30-35 out of the SSE and temp of 63, 0.54" in the bucket so far today.  Not expecting warm front to make it here, be interesting to see how much rain we really end with because local paper had 2-4" in headline.  Thinking 1/2 of that if not less.

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There are at least upgrading mod risk further south over Carolinas. But perhaps the slight risk will be expaned little further north for the possible MCV over NE PA/NNJ

 

http://www.spc.noaa.gov/products/md/md1059.html

 

Some of the high resolution models are taking the area of enhanced forcing near the sfc low over Central PA and developing it into a convective feature. That would become a significant concern if it develops. But right now, instability near it is very minimal.

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Veering Winds with height, indicative of waa

If we could just get a few hours of sun we might really be in business. I think it's going to be a really close call. The stuff out in Central PA is nothing impressive at the moment. We would want it to start firing soon if we're going to get a mature MCS. Doesn't seem likely at the moment.

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