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Fall is in full swing, but it’s not too soon to look ahead to winter, especially one that could feel considerably different than last year’s dominated by El Niño.. A weak La Niña is expected ...
For context, La Niña usually brings wetter-than-average winter conditions to the Pacific Northwest and Ohio Valley, while the nation's southern tier tends to skew drier. la_nina_pattern_precip.png
Much of the southern US is expected to end up drier than normal, but parts of the Mississippi Valley and Southeast could be the exception. La Niña’s arrival was a long time coming
What is La Niña? La Niña is a natural climate pattern marked by cooler-than-average seawater in the central and eastern Pacific Ocean. When the water cools at least 0.9 degree Fahrenheit below ...
La Niña is considered to be the cool phase of the El Niño-Southern Oscillation (ENSO) and is characterized by lower-than-average sea-surface temperatures, with anomalies of at least -0.5 degrees ...
Across Alaska, El Niño events do not have a correlation towards dry or wet conditions; however, La Niña events lead to drier than normal conditions.During El Niño events, increased precipitation is expected in Southern California, Arizona, and New Mexico due to a more southerly, zonal, storm track over the Southwest, leading to increased winter snowpack, but a more subdued summer monsoon ...
On Thursday, NOAA issued a La Niña watch, explaining that it could replace El Niño before the end of summer. This could have implications for the impending Atlantic hurricane season and beyond.
During La Niña years, the formation of tropical cyclones, along with the subtropical ridge position, shifts westward across the western Pacific Ocean, which increases the landfall threat in China. [182] In March 2008, La Niña caused a drop in sea surface temperatures over Southeast Asia by 2 °C (3.6 °F).