An El Niño appears to be forming along the equator off the west coast of South America in the Pacific Ocean. That could have a big effect on the weather in the United States and around the world. For ...

(COLORADO) – When storms are in the forecast, we often show a graphic known as Available Storm Energy, marked with purple colors (pictured below). This graphic represents something known as CAPE. CAPE ...

An April 25 Facebook post (direct link, archive link) shows BBC weather presenter Carol Kirkwood standing in front of a map of the U.K. and Ireland. The graphics on the map look like molten rock. "BBC ...