More than 100,000 homes and businesses have been left without power after a tornado ripped through parts of northern Dallas late Sunday.
Flights at the Love Field airport were also delayed, officials added.
No injuries or deaths have immediately been reported, and no flash flood warnings have been issued.
Police and firefighters were scanning neighbourhoods to determine the extent of the damage on life and property.
Rubio says Iran deal could take days as US launches fresh strikes
US Secretary of State Marco Rubio said on Tuesday negotiating a deal with Iran could "take a few days," quashing hopes for an imminent end to the conflict a day after US forces conducted what Washington called defensive strikes in southern Iran.
Philippines ends rescue efforts as hope fades for victims of building collapse
Authorities have called off search and rescue operations on Monday evening after emergency crew, using life locator equipment, determined there were no longer signs of life beneath the rubble of the building that collapsed in north Manila.
Netanyahu says Israel will escalate strikes against Hezbollah
Israel will escalate strikes against Hezbollah in Lebanon, Prime Minister Benjamin Netanyahu said on Monday, as a US official said the militia had ignored warnings to halt firing at Israel in a conflict that could threaten US-Iran negotiations.
WHO chief says fast-moving Ebola epidemic outpacing response efforts
The head of the World Health Organisation (WHO) said on Monday that the fast-moving Ebola outbreak in Democratic Republic of Congo and Uganda was outpacing response efforts, giving the latest number of suspected deaths as 220.
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