Technology described as a "manual processes to moderate weather" has allegedly been granted an official patent from the United States Patent and Trademark Office.
Powerful tornadoes that ripped through Mississippi - destroying buildings and obliterating at least one town - killed almost two dozen people, officials said Saturday. They warned that the casualty toll could go higher.
Tornadoes that tore through the greater New Orleans area were captured on video by tower-traffic surveillance, doorbell cameras, and via the cell phones of numerous people who saw the twisters from their cars.