Explainer: The wind speed of the Mangawhai tornado is similar to one that's occurred before - RNZ has been looking at what we ...

Tornadoes are also now occurring all year-long, rather than just in the spring. “Winter tornadoes are becoming more common. That’s a climate change signal we can believe in,” said Masters.

Tornado risk area expands. The area at higher risk for tornadoes grows from January to February as the jet stream begins to shift and warm, humid air from the Gulf of Mexico surges north as ...