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    Severe Weather Threat Zones Tonight, Saturday

    By By Danielle Knittle, Meteorologist
    July 30, 2010, 11:29:56 AM EDT

    A few parts of the United States will become the target of severe weather tonight into Saturday. The area of immediate concern is across Missouri.

    Isolated severe thunderstorms will continue to march into central Missouri through tonight. The main threats will be flooding downpours, damaging wind gusts and large hail.

    A hot and humid air mass combined with an area of low pressure provided fuel for a line of strong thunderstorms to erupt earlier this afternoon. One of these strong thunderstorms produced 60-mph wind gusts near Kansas City, Mo.

    The thunderstorms will continue to push to the south and east into western Illinois tonight, passing over St. Louis in the process.

    Severe thunderstorms along this line will produce frequent cloud-to-ground lightning, flooding downpours, large hail and damaging wind gusts up to 70 mph. These thunderstorms will diminish as the night wears on.

    The severe weather threat shifts to the northern Rockies on Saturday as a disturbance moves over the Pacific Northwest. Heat surging northward into western Canada will help trigger severe thunderstorms in northern Idaho, Montana and over the Canadian border in the afternoon and evening hours.

    The main threats from these thunderstorms will be damaging wind gusts and large hail.


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    Another area of concern Saturday is the southern Appalachians. Daytime heating and a weak disturbance will help trigger some stronger thunderstorms over the mountainous regions in northern Georgia up through western North Carolina.

    Any strong thunderstorm that may develop will mainly be associated with downpours and gusty winds. Related to the Story: Southeast Radar North Central Radar South Central Radar Severe Weather Center Visit our Facebook Fan Page Follow us on Twitter Breaking Weather

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