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Severe thunderstorms are dropping down through the South Central states to close out Wednesday.
A line of violent thunderstorms will continue to drop down from eastern Oklahoma and Arkansas to northeastern and north-central Texas through Wednesday evening.
Cities in the path of the severe weather include Little Rock and Texarkana, Arkansas; Oklahoma City and McAlester, Oklahoma; and Dallas and Tyler, Texas.
Stretches of interstates 20, 35, 40 and 44 lie within the threat zone.
Damaging winds and flooding downpours are the main dangers from the severe thunderstorms. Some thunderstorms will also drop quarter-sized hail.
The downpours will also pose hazards to motorists, including those heading home from work, by dramatically reducing visibility and heightening the danger of vehicles hydroplaning at highway speeds.
Winds within the strongest thunderstorms could even overturn high-profile vehicles.
Airline passengers catching a late-day flight should prepare for delays and a temporary ground stop.
Fueling the severe thunderstorms later Wednesday is the very warm and humid air in place across the South Central states. Many places will record highs in the 90s before the thunderstorms roll through.
Wednesday's warmth is fairly typical for this time of year but a dramatic change from the unseasonable chill late last week.
The thunderstorms will wane and diminish by early Thursday morning, followed by building heat for Thursday and Friday.
Oklahoma City is set to record its first 100-degree day on Friday.
Even so, for the main population centers such as London, Birmingham and even Glasgow, it will be far from a washout.
While Hurricane Ignacio is expected to pass north of Hawaii early this week, the island chain will not be able to escape all of the impacts.
Fred became the second hurricane of the 2015 Atlantic season and will blast the Cape Verde Islands early this week.
Typhoons and building drought will impact more than one billion people in southeastern Asia this fall.
The combination of moisture from Erika and a non-tropical system will drench areas from Florida to the Carolina coast through Tuesday.
A 14-year-old boy from Texas died Sunday after contracting a brain-eating amoeba that thrives in warm freshwater.
West Chester, PA (1922)
So much hail fell that fields were covered with up to two feet drifted hail--the next day!!
New England (1954)
Hurricane Carol, first of 3 hurricanes to affect New England that year - 60 dead and $450 million damage.
Norfolk, VA (1964)
(Aug. 31 and Sept. 1) 11.40 inches of rain in 24 hours from Hurricane Cleo - all-time record.