Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

Warmer-than-normal temperatures in the Gulf of Mexico did not cause the record-setting snowfall, but the conditions may have been an ingredient to the unusual weather.

Snow totals in and around Houston following Tuesday’s rare winter storm amounted to between 2 and 4 inches in most backyards. Although only a total of about 1.4 inches of snow was recorded Monday ...

The celebrated New Orleans snowfall is twice what Anchorage has recorded all winter long. Meteorologists attributed it to a perfect dance between weather systems.

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But as our correspondents traversed the globe, they found pockets of light, too. New York Times reporters witnessed the dangerous fentanyl production process inside a secret lab in Culiacán run ...