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    Elliot Abrams

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    Northeast: Heat and Humidity to Be Trimmed

    July 9, 2014; 7:36 AM ET

    Wednesday morning

    Here is today's morning forecast video:

    There were numerous thunderstorms yesterday. This is the lightning stroke map covering the period from 8 ET yesterday morning to 7:30 ET this morning. Thunderstorms will be less numerous today, but any that do form can cause briefly strong and gusty winds.

    Aloft, winds have been stronger than usual for early July. When thunderstorms boil and bubble skyward, some of that high speed can be transferred down to where all the people, buildings and crops are. Also, as rain descends into drier air, there is evaporative cooling. The cooled air is more dense than the hot, humid air outside the storm, and so it rushes down then spreads out at the ground. Unfortunately, the storms yesterday and last night turned deadly and destructive. Yesterday's report included a map showing the areas that the NWS Storm Prediction Center believed were most vulnerable to high winds. The forecast was very good in most areas, but the high winds persisted farther east.

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