The tornadoes, dust storms and wind-fanned wildfires have led to at least 40 deaths across the United States this past week.

A wildfire in Southwest Miami-Dade closed roads and snarled traffic to the Florida Keys starting on Tuesday, and it also displayed a lesser-seen phenomenon caught on NBC6 cameras: a fire tornado.

OKLAHOMA CITY (AP) — The threat of violent tornadoes in parts of the U.S. proved ... About 60 miles (90 kilometers) to the south, another fire grew to about 3.9 square miles (10 square ...

At least 17 people were killed and scores of homes destroyed as wild winds whipped up a giant storm across parts ... and triggered the threat of violent tornadoes in its wake.

OKLAHOMA CITY (AP) — The threat of violent tornadoes in parts of the U.S. proved ... About 60 miles (90 kilometers) to the south, another fire grew to about 3.9 square miles (10 square ...