Saturday night's storm has already affected Sunday morning's Oklahoma City Memorial Marathon. More storms in the morning hours expected.
Scientist William Bunting told Newsweek that this year's tornado season is currently "well above average," with the peak yet to come.
Across Texas 20,000 homes were left without power as thunderstorms, hail and up to five inches of rainfall pounded parts of the state.
The National Weather Service issued a tornado watch for multiple Texas counties due to the severe weather.
The National Weather Service's Storm Prediction Center said severe storms are expected in Mississippi, Alabama, Tennessee, Louisiana and Arkansas.
A weather camera positioned near Austin suburb Round Rock's Kalahari Resort offered a close-up view of the powerful tornado.
The terrifying video was taken on a day where severe storms swept through the area in New South Wales, Australia.
Abbott allegedly directed officials who increased the wholesale energy prices to their maximum rate during last year's winter storm blackout crisis.
A National Weather Service crew was scheduled to survey damage caused by storms in Georgia after the service's office said "a likely tornado" caused the damage.
A series of powerful storms hit the Midwest this week, with reports of hurricane-strength winds, tornadoes in four states, and 400,000 customers without power.
Downtown Los Angeles saw more rain on Tuesday than on any day since 1888.
At least 64 people have died from the storms in Kentucky alone, and officials believe the total death toll could exceed 100.
An intense and unusual weather system struck six states this weekend, leaving widespread damage and fears that upwards of 100 people have died.
The GOP senator previously voted against disaster relief for Hurricanes Harvey, Maria and Sandy.
"To have an outbreak of this magnitude, with this many tornado reports—it's a little unusual for this time of year," said meteorologist Dan Pydynowski.
Kentucky Governor Andy Beshear has declared a state of emergency, with damaged buildings left scattered across the west of the state.
The threat of heavy rain and thunderstorms remains in some parts of Hawaii through Wednesday morning, the National Weather Service said.
Scientists compared periods of punishing rains and withering droughts in Earth's hothouse epochs to a giant atmospheric "battery" recharging then unleashing powerful storms.
The rapidly strengthening storm has been moving around the West Coast since the weekend, causing widespread strong wind and heavy rainfall.
The National Weather Service watch affects about 23 million people from southern Connecticut to the Jersey Shore. High wind is also forecast for southeast New England.
"For the safety of each and every one of you, there's just no way we could do this," Ironman participants were told Sunday.
Ida made landfall in Louisiana on Sunday as an "extremely dangerous" hurricane, causing over a million power outages across the state and Mississippi.
"You all are like angels to us right now and we appreciate everything everyone has done," a family member said.
Henri, which has been reduced to a tropical depression, is expected to continue weakening Monday, but not before bringing more rain to southern New England.
"It was something like the quickness of a tornado I guess. Someone described it as a tidal wave," said Waverly Mayor Buddy Frazier
According to the National Hurricane Center, Henri is now expected to make landfall at or near hurricane strength on Long Island or in southern New England on Sunday.
Several storms have hit Michigan over the past week, causing power lines to be downed and roads to be closed amid flooding.
Emergency services officials urged residents of Wisconsin and Illinois to remain indoors as powerful storms battered the region on Tuesday, leaving hundreds of thousands without power.