What is the El Niño phenomenon?

<p style=";text-align:left;direction:ltr">El Niño is a natural phenomenon that occurs in the Pacific Ocean and is characterized by a rise in the surface temperature of the waters in the central and eastern region of the Pacific Ocean, which affects the climate system all over the world.</p><p style=";text-align:left;direction:ltr"> The El Nino phenomenon is characterized by weather and climatic effects on different regions of the world, as it can lead to drought and a decrease in temperatures in some areas and at the same time cause heavy rains and floods in other areas. The El Nino phenomenon occurs irregularly from time to time, and the effect it causes can range in different regions according to the strength of El Nino and its geographical location.</p>