A strong El Niño, in the most basic definition, occurs once the average sea surface temperature in the equatorial Pacific is at least 1.5 degrees Celsius (2.7 Fahrenheit) warmer than normal. It's measured in an imaginary box along the equator, roughly south of Hawaii, known as the Nino ...
Here’s a look at what these weather events are, why they happen, and whether scientists think they’re getting stronger.
El Nino has returned, but it is too early to tell how it will impact this winter's weather, according to David Arnold, professor of meteorology, Ball State University, Muncie, Ind. The phenomenon is caused by a shift in wind direction and water temperature in the equatorial Pacific Ocean....
An El Nino is a temporary change in the climate of the Pacific Ocean, in the region around the equator. You can see its effects in both the ocean and atmosphere, generally in Northern Hemisphere winter. Typically, the ocean surface warms up by a few degrees Celsius. At the same time, ...
We’re likely going to feel El Niño’s influence across Canada this winter, which could mean milder conditions for some and an active storm track for othersThe warm waters of El Niño are here to stay through the winter, forecasters say, and ...
“El Niño” is Spanish for “the boy child,” and is used to refer to the Baby Jesus. The name La Niña (“the girl child”) was coined to deliberately represent the opposite of El Niño. Q. How do these weather events affect winter weather? A. Because even the most dedicated...
Yet, the preparation for an El Niño winter, like every winter, is still the same. "We always tell folks every winter you need to be prepared in California for the winter weather and of course the flooding down here in the valley," Mead said. ...
The status of whether the world is being impacted by an El Nino or a La Nina is determined by water temperatures in the central and eastern Pacific. (NOAA) Water temperatures in the Pacific play a prominent role in climate patterns around the world and fall under a classification known as ...
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and that kind of keeps the hurricanes either from forming or keeps them from getting terribly strong. That did not happen last year. The other part of an El Niño, though, is the upper-level wind pattern that often makes the storms turn north before they get to the U.S. before they...