A tropical cyclone has to stand up straight before it can strengthen, and radar flown through storms by NOAA’s Hurricane Hunter aircraft can show when that is about to happen. A team led by Michael S.

Add Yahoo as a preferred source to see more of our stories on Google. Whether you call it a bomb cyclone, nor'easter or a blizzard, it's going to be a memorable weekend weather event for some along ...

Up to 11 tropical cyclones could form across the Southwest Pacific this summer with at least four potentially reaching severe ...

Met Office warns one to two systems could reach severe Category 3-5 strength as communities urged to stay prepared ...

Isaias made landfall as a Category 2 hurricane in the panhandle of Florida Friday night, bringing heavy rain and high winds to the Deep South. Now a post-tropical cyclone, Isaias is pushing its way ...

Before tropical cyclones can significantly strengthen, they generally must first become vertically aligned, with their rotating centers stacked through the atmosphere. New research using nearly three ...

The East Coast remains under snow, ice and cold warnings and advisories this week as it braces for another winter storm this weekend, that could intensify into a bomb cyclone, bringing more heavy snow ...