El Nino-Southern Oscillation (ENSO) is known to have a significant impact on climate across the Pacific, including Hawai'i, and adjacent continents. However, atmospheric scientists have now revealed ...

"Niñas y niños son el presente de nuestro bello país," she wrote. Here's more about Día del Niño: Need a break? Play the USA TODAY Daily Crossword Puzzle. Día del Niño has grown as an ...

What does this have to do with the Stratospheric Polar Vortex? The reasons behind high pressure systems continuously re-establishing themselves close to our shores this spring are complex ...

But for a huge swath of more populated land, from Alberta to Quebec in Canada, and the Pacific Northwest to the Northeast in the U.S., a polar vortex-linked series of frigid blasts await.

A pinwheeling section of the polar vortex is clearing customs at the Canadian border, heading for the northern Plains, Midwest, Mid-Atlantic and Northeast U.S. For millions, this may be the ...

IF you are old enough you will most likely remember the 1997-1998 El Niño event. One of the strongest El Niños on record, it brought severe droughts, haze, crop failures, and water rationing.

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate spherical cap geometry found in stratospheric polar vortices. Ozone holes ...