Texas hit by widespread power cuts as wintry weather sweeps across US

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Winter weather across the US is likely to blame for the deaths of two people in Texas, where an unusually snowy emergency knocked out power for more than four million people, shut down grocery stores and air travel and closed schools ahead of frigid days still to come.

As nightfall threatened to plummet temperatures again into single digits, officials warned that homes still without power would likely not have heat until at least Tuesday, as frustration mounted and the state’s electric grid came under growing demand and criticism.

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“Things will likely get worse before they get better,” said Harris County Judge Lina Hidalgo, the top elected official in the county of nearly five million people around Houston.

Law enforcement reported two men were found dead along Houston-area roadways.

Residents walk through snow in San Antonio (Eric Gay/AP)

Causes of death were pending, but officials said the subfreezing temperatures were likely to blame.

The toll of the worsening conditions included the delivery of new Covid-19 vaccine shipments, which were expected to be delayed until at least midweek.

Massive power outages across Houston included a facility storing 8,000 doses of Moderna vaccine, leaving health officials scrambling to find takers at the same time authorities were pleading for people to stay home.

Temperatures nosedived into the single-digits as far south as San Antonio, and homes that had already been without electricity for hours had no certainty about when the lights and heat would come back on, as the state’s overwhelmed power grid began imposing blackouts that are typically only seen in 38C summers.

The storm was part of a massive system that brought snow, sleet and freezing rain to the southern Plains and was spreading across the Ohio Valley and to the Northeast.

The Southwest Power Pool, a group of utilities across 14 states, called for rolling outages because the supply of reserve energy had been exhausted.

Some utilities said they were starting blackouts, while others urged customers to reduce power usage.

“We’re living through a really historic event going on right now,” said Jason Furtado, a professor of meteorology at the University of Oklahoma, pointing to all of Texas under a winter storm warning and the extent of the freezing temperatures.

Snow ploughs clear a lane, in Dallas (Brandon Wade/AP)

State officials said surging demand, driven by people trying to keep their homes warm, and cold weather knocking some power stations offline had pushed Texas’ system beyond the limits.

“This weather event, it’s really unprecedented.

“We all living here know that,” said Dan Woodfin, senior director of system operations at the Electric Reliability Council of Texas.

He defended preparations made by grid operators and described the demand on the system as record-setting.

“This event was well beyond the design parameters for a typical, or even an extreme, Texas winter that you would normally plan for.

“And so that is really the result that we’re seeing,” Mr Woodfin said.

More than 500 people were hunkering down at one shelter in Houston, but Mayor Sylvester Turner said other warming centres had to be shut down because those locations, too, lost power.

Homes in the Westbury neighbourhood are covered in snow in Houston (Mark Mulligan/AP)

The largest grocery store chain in Texas, H-E-B, closed locations around Austin and San Antonio, cities that are unaccustomed to snow and have few resources to clear roads.

The slow thaw and more frigid lows ahead was also taking a toll on Texas’ distribution of Covid-19 vaccines.

State health officials said Texas, which was due to receive more than 400,000 additional vaccine doses this week, now does not expect deliveries to occur until at least Wednesday.

President Joe Biden declared an emergency in Texas in a statement on Sunday night.

The declaration is intended to add federal aid to state and local response efforts.

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