Wednesday PM T-Storms, Why?

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By Quincy Vagell on April 11, 2013, 6:15pm Last modified: April 14, 2013, 8:53am

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Radar image from 7:08 p.m. Wednesday, April 10th.

Gusty thunderstorms with heavy rain and lightning passed through CT Wednesday night.

Although the typical thunderstorm parameters were not very impressive at all, a line of storms managed to hold together as it moved across New York and into southwestern Connecticut.

Typically, parameters like CAPE (available potential energy), the lifted index and high dew-points are favorable for strong thunderstorms. However, Connecticut didn't really have any of those things in place last night.

I was a bit interested too in how this line of storms, which had some characteristics of a Mesoscale Convective System (MCS), maintained itself in a relatively (seemingly) unfavorable environment for thunderstorms.

In this slide-show, I'll take a look back at some of the conditions that were in place, as well as a severe weather parameter called MCS Maintenance Probability, or MMP. 


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Quincy Vagell

Town: Marlborough, CT  

Reporting for WXedge since January 2012.

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