Last year's strong El Niño event defied expectations that it would bust California's long-running drought. Will this year's weak La Niña bring its typical warmth and dryness to the U.S. southern tier?
Using a combination of observations and models, NOAA-funded scientists have found a small but significant “advanced warning” signal for heightened summer tornado activity in the U.S.: warmer-than-average water temperatures in the Gulf of Mexico
A broad expanse of 80+ degree water dominated the tropical Pacific last winter. This animation shows how these warm surface waters were eroded by waves of cool water that pulsed across the equator throughout spring and summer.
