La Nina has arrived: What it means for super-dry Southwest.

La Nina has arrived: What it means for super-dry Southwest.
Another La Nina also could mean a more active Atlantic hurricane season.
For the second straight year, the world heads into a new La Nina weather event.
This would tend to dry out parts of an already parched and fiery American West and boost an already busy Atlantic hurricane season.
Just five months after the end of a La Nina that started in September 2020, the U.S.
National Oceanic and Atmospheric Administration announced a new cooling of the Pacific is underway.
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La Nina's natural cooling of parts of the Pacific is the flip side of a warmer El Nino pattern and sets in motion changes to the world’s weather for months and sometimes years.
But the changes vary  from place to place and aren’t certainties, just tendencies.
La Ninas tend to cause more agricultural and drought damage to the United States than El Ninos and neutral conditions, according to a 1999 study.