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    Live: Dangerous Storms Head for Outer Banks, Wilmington

    By By Meghan Evans, meteorologist
    August 01, 2012, 12:58:53 PM EDT

    Severe storms, called a derecho by meteorologists, moved through Chicago this morning. The original derecho broke up through eastern Kentucky and southern West Virginia, but a dangerous line of storms is now moving towards the Outer Banks and Wilmington, N.C.

    A derecho is defined as a widespread and long-lived wind storm that accompanies rapidly moving showers or thunderstorms. The derecho tore through the Chicago area, stirring winds of 60-70 mph, during the morning commute. Thousands of customers are without power across northern Illinois, according to Comed.


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    The thunderstorm complex held together and progressed into eastern Kentucky and southern portions of West Virginia, more than 450 miles from its origin across southern Wisconsin and northwestern Illinois. Jackson, Ky., and Charleston, W.Va., were also in the path of the storms.

    According to Duke Energy, more than 42,000 of their customers have no power in Kentucky and Ohio, while an additional 12,000 are without power in N.C.

    RELATED:
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    Besides damaging wind gusts, flash flooding is a big concern for communities across eastern Kentucky and southern West Virginia that have already been soaked by downpours today. The ground is saturated, so run-off will be generated very quickly.

    Storms will continue into the evening, making it into eastern Tennessee, western Virginia and western portions of the Carolinas.


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    UPDATES:
    5:20 p.m. EDT Dangerous storms just moved through Greenville to Fayetteville, N.C. Damaging winds will head towards the Outer Banks and Wilmington within the next hour or two.

    1:10 p.m. EDT More than 740 flights were delayed and nearly 120 flights were cancelled at Chicago O'Hare International Airport today, according to flightstats.com.

    12:30 p.m. EDT Trees were downed along Eden Road near Georgetown, Ohio.

    12:20 p.m. EDT 1.15 inches of rain fell in only 25 minutes in Madeira, Ohio.

    11:48 a.m. EDY Traffic light signals were blown off their wires near I-75 and Liberty Way Exchange 3 miles west of Mason, Ohio.

    11:40 a.m. EDT A large tree was downed, blocking a roadway in Yellow Springs, Ohio.

    11:50 a.m. EDT Large tree branches have been downed in Fairfield, Ohio.

    11:00 a.m. EDT A 66-mph wind gust was measured in Muncie, Ind. The AMA Aeronautical Museum sustained roof damage.

    9:55 a.m. EDT Power was knocked out by storm winds at Tri-Central High School in Sharpsville, Ind. Two-foot diameter trees were downed in Sycamore, Ind.

    8:33 a.m. CDT A tree and signs were downed in the city of Rochester, Ind. Power lines were downed across other parts of Fulton County as well.

    8:01 a.m. CDT Several trees were downed by winds of 60 mph 4 miles east-southeast of Monon, Ind.

    7:48 a.m. CDT Winds estimated at 70 mph uprooted trees and threw them onto cars near the county court house in Knox, Ind.

    7:12 a.m. CDT Large tree branches came crashing down as 70 mph gusts struck Portage, Ind.

    6:58 a.m. CDT Numerous trees and power were downed in Hanoverton, Ohio. Shingles were torn off and siding was ripped from a home in Lisbon, Ohio.

    6:56 a.m. CDT Golf ball-sized and larger hail fell in Wellsville, Ohio.

    6:44 a.m. CDT A 60-mph gust blew a pole down on Interstate 57 and 167th Street in Oak Forest, Ill.

    6:35 a.m. CDT There was a 65-mph gust 3 miles southwest of Chicago Midway Airport, Ill.

    6:34 a.m. CDT There have been 35 flight cancellations and 61 delays at Chicago O'Hare International Airport so far today, according to flightstats.com.

    6:25 a.m. CDT 5-inch tree limbs were downed in Oak Brook, Ill.

    6:25 a.m. CDT Severe storms are causing a ground stop program for incoming flights at Chicago O'Hare and Chicago Midway.

    6:17 a.m. CDT A 58-mph wind gust has been measured at Chicago O'Hare International Airport.

    6:05 a.m. CDT A 61-mph gust has been measured in West Chicago and another 54-mph wind gust has been measured at Aurora. Estimated winds of 60 to 70 mph downed large tree limbs and power lines on the southside of Elburn, Ill.

    5:40 a.m. CDT A thunderstorm wind gust of 65 mph was measured 2 miles northeast of Woodstock, Ill.

    5:35 a.m. CDT Tree and power lines were downed, blocking an instersection in De Kalb, Ill. Winds of 70 mph were estimated. Power outages occurred with the wind damage.

    5:31 a.m. CDT A wind gust of 67 mph was measured in Harvard, Ill.

    5:05 a.m. CDT A swing set was blown across a yard and landed upside down in South Beloit, Ill.


    High humidity will feed the storms as they move on, according to AccuWeather Expert Senior Meteorologist Henry Margusity.


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    Keep checking back for the latest on the storms with AccuWeather.com.

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