Cyclone Narelle is expected to intensify into a category five cyclone — find out what that means.

Add Yahoo as a preferred source to see more of our stories on Google. This graphic created by the NWS Philadelphia/Mount Holly Office shows the probably of 5 inches of snow or more in NJ, NYC and the ...

Weekend plans? How about "bombogenesis." That's the name of the weather process headed for much of the East Coast this weekend, as "a mid-latitude cyclone rapidly intensifies," or quickly drops in ...

When storms undergo bombogenesis, they rapidly strengthen. The National Weather Service writes, "Bombogenesis can happen when a cold air mass collides with a warm air mass, such as air over warm ocean ...

Add Yahoo as a preferred source to see more of our stories on Google. The National Weather Service is reporting increased confidence in "impactful heavy snow" across much of the Carolinas and parts of ...

Weekend plans? How about "bombogenesis." That's the name of the weather process headed for much of the East Coast this weekend, as "a mid-latitude cyclone rapidly intensifies," or quickly drops in ...

NOAA explains that bombogenesis “describes a midlatitude cyclone that rapidly intensifies” over a 24-hour period. This rapid intensification is measured by how much the storm’s central pressure falls ...

Weatherzone ...

WASHINGTON (7News) — You may have heard the term "bomb cyclone" or "bombogenesis" before. That word is often used when meteorologists also talk about a "Nor'easter." This weekend, the East Coast is ...