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| Version 2 | Version 3 |
|---|---|
| North America's deep freeze eases | North America's deep freeze eases |
| (about 20 hours later) | |
| The deep freeze that has left people in North America shivering for days, shattering century-old temperature records, is loosening its icy grip. | The deep freeze that has left people in North America shivering for days, shattering century-old temperature records, is loosening its icy grip. |
| The mercury is rising in the US Midwest and East, which has borne the brunt of the so-called polar vortex, but was still below freezing in many areas. | The mercury is rising in the US Midwest and East, which has borne the brunt of the so-called polar vortex, but was still below freezing in many areas. |
| At least 21 people have died since Sunday as a result of the weather, and more than 11,000 flights were grounded. | At least 21 people have died since Sunday as a result of the weather, and more than 11,000 flights were grounded. |
| US natural gas usage hit an all-time record in the US to meet heat demands. | US natural gas usage hit an all-time record in the US to meet heat demands. |
| Forecasters predicted weather would return to normal across much of the US in the coming days, after 50 US cities set new record low temperatures on Tuesday. | Forecasters predicted weather would return to normal across much of the US in the coming days, after 50 US cities set new record low temperatures on Tuesday. |
| 'Dramatically warmer' | 'Dramatically warmer' |
| The US Midwest - which experienced -37C (-35F) in recent days - also warmed slightly, but still faced temperatures 15 to 25 degrees below average. | The US Midwest - which experienced -37C (-35F) in recent days - also warmed slightly, but still faced temperatures 15 to 25 degrees below average. |
| Atlanta, Georgia, returned to a more temperate 5C (42F) on Wednesday following a record low of -14C (6F) a day earlier. | Atlanta, Georgia, returned to a more temperate 5C (42F) on Wednesday following a record low of -14C (6F) a day earlier. |
| New York City is expected to top -1C (31F) on Thursday, after shattering a 118-year-old low temperature record with -15C (4F) on Tuesday. | New York City is expected to top -1C (31F) on Thursday, after shattering a 118-year-old low temperature record with -15C (4F) on Tuesday. |
| Temperatures in parts of North America plunged so low this week that they eclipsed readings recently recorded on the Red Planet by the Mars Rover. | Temperatures in parts of North America plunged so low this week that they eclipsed readings recently recorded on the Red Planet by the Mars Rover. |
| Even Alabama's top official was not immune to the extreme cold. | Even Alabama's top official was not immune to the extreme cold. |
| Governor Robert Bentley faced an estimated $50,000 (£30,397) in damage after a water pipe froze and burst in the attic of his home in Tuscaloosa. | Governor Robert Bentley faced an estimated $50,000 (£30,397) in damage after a water pipe froze and burst in the attic of his home in Tuscaloosa. |
| In Canada, meanwhile, a 70-year-old Ontario man is recovering in hospital after being buried in a snowdrift in his vehicle for nearly 24 hours, reports CBC. | In Canada, meanwhile, a 70-year-old Ontario man is recovering in hospital after being buried in a snowdrift in his vehicle for nearly 24 hours, reports CBC. |
| Scientists also posited a silver lining to the cold snap, saying it could kill some of the pests that have ravaged northern forests. | Scientists also posited a silver lining to the cold snap, saying it could kill some of the pests that have ravaged northern forests. |
| The low temperatures may also slow the migration of invasive species and prevent erosion of wetlands, they say. | The low temperatures may also slow the migration of invasive species and prevent erosion of wetlands, they say. |