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Crunch Time: The Great Debate


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Come on, come on, shift away! Shoo! Can anyone in here address my earlier inquiry regarding the root cause? Is subsidence owing to proximity to the deform band, or more to wind direction, coastal front? Appreciated.

 

 

When you get a huge mid-level frontogenesis band on either side of it there tends to be a bit of subsidence due to the vertical circulation of air in the band. It rises rapidly but then has to have somewhere to go to so it falls on each side of it kind of like a thunderstorm...though not nearly as intense.

 

This can also be more noticeable if we have a lot of CSI (conditional symmtric instabilty) because CSI promotes a wave like motion fo the air where it rises, then falls, then rises again...if you line up some of the rising waves with the ML fronto band, then you get an extremely enhanced/intense band and the subsidence might also be more noticeable too.

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