A patch of the Pacific Ocean has been quietly warming again, drawing attention from meteorologists who spend their time watching patterns most people never think about. The signals are not dramatic on their own: a few degrees here, a shift in sea surface temperatures there, winds behaving slightly differently than expected.

Scientists anticipate El Nino's arrival soon, with a 90% certainty, potentially becoming a strong event. This natural climate pattern, marked by warmer Pacific waters, could…

A patch of the Pacific Ocean has been quietly warming again, drawing attention from meteorologists who spend their time watching patterns most people never think about. The…