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The Work Week will Begin with Unsettled Weather from the Southern Plains to the Great Lakes

Unsettled weather is forecast to continue through the first half of the work week from the Southern Plains to the Great Lakes as a frontal system moves through. Isolated to scattered severe thunderstorms and flash flooding will be possible each day. Meanwhile, scattered showers and thunderstorms are expected across the Southwest and California, with isolated flash flooding possible. Read More >

Overview

Thunderstorms fired up in the afternoon of Wednesday the 27th, as near-record heat over Central PA combined with ample moisture to initiate and continue the thunderstorms.

None of the storms were particilarly long-lived, as they were moving only slowly and would stifle themselves as they rained onto the hot spot that initially help them each fire up.

A Record High of 97 degrees occurred at Williamsport, PA (KIPT) Wednesday afternoon. This high temperature broke the previous record for the 27th of June, which was 95 degrees, from 1963.

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Graphical Plot of Severe Weather Warnings Issued and Reports Pittsburgh Upper Air Sounding Radar Plan View of Reflectivity around 2100Z (5PM EDT)
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