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    Henry Margusity

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    WideSpread Damaging Wind Event Sunday/Sunday Night

    November 16, 2013; 7:52 AM ET


    A widespread wind damage event will unfold on Sunday afternoon and continue into Sunday night/early Monday morning. Below are several images depicting the area that will be hit per SPC moderate risk area. I do think the slight risk should be extended to Philly, NYC, Boston to Portland, Maine, to cover the squall line racing across the mountains late on Sunday night and early on Monday morning.

    The low-level jet is predicted to be over 70 knots which will translate to wind gusts at the surface over 50 mph as the squall line moves through. You can see on the simulated radars the timing of the squall line from the Ohio Valley on Sunday afternoon to east of the Appalachians after 2 a.m. on Sunday.

    Also below is a new product coming to our Pro site. It's a cross-sectional analysis showing the winds, RH% and Potential temperatures between central Illinois and western Pennsylvania. You clearly see the squall line as the towering dark green area on the right side of the image. Also, notice the very strong winds pushing the squall along and the high winds near the surface within the squall.

    Sunday Afternoon Simulated Radar

    Late Sunday Night Simulated Radar

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