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Why is it so cold in Texas?
#1
[Image: _116945155_3f607711-04e9-4578-bffc-d90c0cfdf3fc.jpg]
Texas is known for its sprawling deserts and excruciating heatwaves - but right now, it's blanketed in a thick layer of ice.

The state is seeing some of its coldest temperatures in more than 30 years, with some areas breaking records that are more than a century old.

Parts of Texas hit 0F (-18C) on Sunday, and weather warnings are going to stay in place through the week.

So why is this normally boiling state suddenly freezing over?

According to the US National Weather Service (NWS), this is down to an "Arctic outbreak" that originated just above the US-Canada border, bringing a winter snow storm as well as plummeting temperatures.

Cold air outbreaks such as these are normally kept in the Arctic by a series of low-pressure systems, the NWS said. However, this one moved through Canada and spilled out into the US last week.

Temperatures in the city of Dallas for example will reach a high of 14F (-10C) on Monday when it should be more like 59F (15C) at this time of year.

For the first time in the US state, all 254 counties are under a winter storm warning, US media report. The temperature in Dallas is already colder than in Anchorage, Alaska, CBS News reports.
In a statement on Sunday night, President Joe Biden declared an emergency in Texas, which authorises US agencies to co-ordinate disaster relief in the state. pg slot

Rotating power outages have been initiated by the state's power grid operator, the Electric Reliability Council of Texas (Ercot), early on Monday, to reduce demand on the electricity system.

"Traffic lights and other infrastructure may be temporarily without power," it added in a tweet.
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