Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

3. The NOAA explains that atmospheric rivers are long, narrow bands in the atmosphere that transport vast amounts of water vapour from the tropics. Their size and strength can differ significantly, ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...