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    Temperatures Plummet 40 Degrees, Then Rebound Quickly

    By By Matt Alto, Meteorologist
    November 14, 2012, 11:41:52 PM EST

    After temperatures took a plunge this weekend across the Plains, the cold air will not remain for long across the region this week.

    As a potent storm system ejected through the Plains and Canadian Prairies this weekend, a strong cold front slowly blasted eastward across the Plains and towards the Great Lakes and Mississippi Valley.

    Out ahead of the impressive cold front, temperatures soared into the 70s and 80s on Saturday, setting new records in many towns and communities.

    Much of the Midwest and Mississippi Valley remained mild on Sunday, but temperatures gradually fell as cold arctic air funneled in from the north as the front continued eastbound.

    In the wake of the front, temperatures this weekend fell nearly 20-40 degrees over the course of 24 hours. In some cases, temperatures plummeted in a matter of hours.


    400x266_11121002_frontprogression


    While the warmth that once encompassed the Plains continues to be squeezed towards the East Coast today and tomorrow, temperatures will gradually rebound through the middle of the week.

    The weather conditions will be fairly quiet as high pressure prevails over much of the central and southern Plains this week.

    Although Monday will remain rather chilly, northerly winds will flip around to the south and southwest beginning late on Monday night and into Tuesday.


    400x266_11120958_plains


    The southerly flow will allow warmer air to gradually build into the region through the middle and end of the week. This flow will also push the core of the arctic air back northward.

    While an impressive warmup like the one observed late last week is not expected, temperatures will moderate back to around seasonable values this week.

    A ridge of high pressure will build across the Rockies and into the Plains this coming weekend allowing dry conditions and near-normal highs to continue.

    Looking ahead, another blast of arctic air does not appear to be in the foreseeable future.

    Thumbnail photo courtesy of Photos.com

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