Severe weather threatens eastern US through Sunday night

Damaging thunderstorms targeting a broad swath of the eastern United States will put lives and property at risk as the weekend comes to a close.

On Saturday, the severe weather outbreak that AccuWeather warned about throughout the week turned deadly after a large tornado swept through Franklin, Texas, and killed two children.

The storms raced eastward on Saturday night and spawned several more tornadoes across Louisiana and Mississippi.

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NEW YORK, USA - MAY 15:�Rainbow occurs after rain over Manhattan in New York, United States on May 15, 2018. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
NEW YORK, USA - MAY 15: People walk over a pedestrian crossing on a rainy day in New York, United States on May 15, 2018. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
Example ballots are caught by sudden winds as a storm system moves in quickly during Primary Election Day, in Philadelphia, PA, on May 15, 2018. (Photo by Bastiaan Slabbers/NurPhoto via Getty Images)
Severe weather builds up over Northwest Philadelphia, PA, on Primary Election Day, May 15, 2018. (Photo by Bastiaan Slabbers/NurPhoto via Getty Images)
NEW YORK, USA - MAY 12: Rain clouds are seen over between Lower Manhattan and Jersey City in New York, United States on May 12, 2018. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
WEEHAWKEN, NJ - MAY 23: A person walks in front of the skyline of lower Manhattan and One World Trade Center on a rainy day in New York City on May 12, 2018 as seen from Weehawken, New Jersey. (Photo by Gary Hershorn/Getty Images)
WASHINGTON, DC - MAY 14: The front of a severe thunderstorm passes over the U.S. Capitol, on May 14, 2018 in Washington, DC. The area was hit with heavy rain and high winds from the early evening storm. (Photo by Mark Wilson/Getty Images)
Simon Rusen-Morohovich, 19, of Pittsburgh, Pa. skim boards as storm clouds move in over Hollywood Beach, Fla. The National Hurricane Center says bad weather is coming from a stormy cluster over the Gulf and gives it a 40 percent chance of becoming a tropical cyclone over the next five days. (Susan Stocker/Sun Sentinel/TNS via Getty Images)
WASHINGTON, DC - MAY 14: People play sports on the National Mall as the front of a severe thunderstorm approaches, on May 14, 2018 in Washington, DC. The area was hit with heavy rain and high winds from the early evening storm. (Photo by Mark Wilson/Getty Images)
WASHINGTON, DC - MAY 14: People stand under a tree as rain starts to fall as a severe thunderstorm passes over the U.S. Capitol, on May 14, 2018 in Washington, DC. The area was hit with heavy rain and high winds from the early evening storm. (Photo by Mark Wilson/Getty Images)
LAKEWOOD, CO - MAY 14: A man covers himself with his coat as he walks down west Colfax Avenue during a heavy rain and hail storm on May 14, 2018 in Lakewood, Colorado. (Photo by RJ Sangosti/The Denver Post via Getty Images)
LAKEWOOD, CO - MAY 14: A man covers himself with his coat as he walks down west Colfax Avenue during a heavy rain and hail storm on May 14, 2018 in Lakewood, Colorado. (Photo by RJ Sangosti/The Denver Post via Getty Images)
PHILADELPHIA, PA - MAY 12: Members of the Philadelphia Phillies ground crew roll out the tarp to cover the field due to an incoming storm before the start of a game between the Philadelphia Phillies and the New York Mets at Citizens Bank Park on May 12, 2018 in Philadelphia, Pennsylvania. (Photo by Hunter Martin/Getty Images)
HOBOKEN, NJ - MAY 10: Lightning strikes New York City next to Hudson Yards on May 10, 2018 as seen from Hoboken, New Jersey. (Photo by Gary Hershorn/Getty Images)
NEW YORK, USA - MAY 12: Rain clouds are seen over Lower Manhattan in New York, United States on May 12, 2018. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
NEW YORK, USA - APRIL 16: People walk over a pedestrian crossing with their umbrellas on a rainy day in New York, United States on April 16, 2018. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
MADISON, CONNECTICUT -APRIL 6: Snow settles on a daffodil as an April springtime snowfall covered the East Coast of the United States on April 6, 2018 in Madison, Connecticut. (Photo by Tim Clayton/Corbis via Getty Images)
NEW YORK, USA - APRIL 2: Snow covered buildings are seen in Brooklyn borough of New York, United States on April 2, 2018. (Photo by Mohammed Elshamy/Anadolu Agency/Getty Images)
NEW YORK, USA - MARCH 21: A woman stands with her umbrella during a late season snowstorm in Time Square, Manhattan in New York. The fourth nor'easter in three weeks hit the city on March 21, 2018 in New York, United States. (Photo by Atilgan Ozdil/Anadolu Agency/Getty Images)
WASHINGTON, March 21, 2018: People carrying ski gears walk past the Reflecting Pool in Washington D.C., the United States, on March 21, 2018. A late-season nor'easter, the fourth of its kind in three weeks, is targeting the northeast United States on Wednesday, bringing heavy snow and strong winds to the region. Washington, which is already snow-covered, is expected to see up to 6 inches of snow, as some models suggesting much high totals for the capital. Federal offices are closed for the snowstorm as the White House announced early Wednesday that all public events for the day were cancelled. (Xinhua/Ting Shen via Getty Images)
NEW YORK, March 22, 2018 : Photo taken on March 21, 2018 shows the Statue of Liberty seen in the snow storm in New York, the United States. Thousands of flights were canceled and public schools were closed as the fourth snow storm in three weeks began hitting New York City and its neighboring areas on Wednesday. (Xinhua/Li Muzi via Getty Images)
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The severe weather dangers are spreading toward the Atlantic Coast as the weekend comes to an end, threatening more populated communities with downpours, wind damage and power outages.

sun severe south

The area at risk will stretch from the upper Ohio Valley and central Appalachians to the upper Gulf Coast on Sunday, before spreading through the mid-Atlantic and perhaps into southeastern New England on Sunday night.

"The storms will take on more of a squall line set up with the greatest threats being from damaging wind gusts, flash flooding and lightning strikes," AccuWeather Senior Meteorologist Alex Sosnowski said.

AccuWeather meteorologists are concerned that the right ingredients will come together for several tornadoes to occur as well.

Sun severe north

Wind gusts of 60-70 mph can occur as the storms blow through, knocking down trees and power lines.

Loose outdoor items should be secured or brought indoors before the storms strike to prevent them from becoming projectiles.

Residents in and around Pittsburgh; Cleveland; Cincinnati; Charleston, West Virginia; Atlanta; and Tallahassee, Florida, are encouraged to closely monitor weather bulletins throughout Sunday.

Motorists throughout this corridor should be ready to slow down in the downpours as visibility is reduced to near zero and the risk of hydroplaning increases.

Groupings and tee times for the final round of the Masters tournament in Augusta, Georgia, were moved up due to the severe weather threat.

"There is concern that the severe thunderstorms with downpours and strong gusty winds continue to march across the mid-Atlantic, southern New York and into southwestern New England on Sunday night," Pydynowski said. "Incidents of tree damage and power outages may result in some communities."

The loud, feisty storms can wake people up from a sound sleep and, even worse, cause damage or knock out power in Richmond, Virginia; Washington, D.C.; Baltimore; Allentown, Lancaster and Philadelphia, Pennsylvania; Newark, New Jersey; New York City and surrounding areas.

This line of storms can extend southward into the Raleigh, North Carolina area.

East Sun night April 13

Before heading to bed, cell phones should be kept on and fully charged with the volume turned up.

Download the free AccuWeather app to stay alert to severe weather watches and warnings by receiving an audible notification on your mobile device.

"Across the northern mid-Atlantic and into southern New England, this could be a case where strong winds are produced with a minimal amount of thunder and lightning," Pydynowski said.

"It is possible that the downpours and gusty thunderstorms track across Boston around the start of the Boston Marathon on Monday morning," she added.

The storms are expected to exit the Interstate-95 corridor from Washington, D.C., to Philadelphia in time for the busy Monday morning commute. Leftover showers can linger early on around New York City.

Keep checking back for updates on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.

 

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