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If the temperature variation from climatology is within 0.5 °C (0.9 °F), ENSO conditions are described as neutral. Neutral conditions are the transition between warm and cold phases of ENSO. Sea surface temperatures (by definition), tropical precipitation, and wind patterns are near average conditions during this phase. [41]
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 ...
Where will winter hang on? ... although week-to-week weather variability may deviate from the typical La Niña pattern," Infanti said. ... with a transition to ENSO-neutral likely during March-May ...
The 2019–20 North American winter was unusually warm for many parts of the United States; in many areas, neutral ENSO conditions controlled the weather patterns, resulting in strong El Niño like conditions and the sixth-warmest winter on record, [1] and many areas in the Northeastern United States saw one of the least snowy winters in years. [2]
El Niño winter patterns are less regular in California, the Southwest and the Northeast. The frequency of storms and uptick in precipitation across California and portions of the Southwest may ...
A look into how warm water off the coast of South America could change weather in upstate New York.
Rather, the event followed a period of neutral ENSO or borderline El Niño conditions in the winter of 2019, with the subsequent triple-dip behavior not projected by most computer forecasting models. [ 4 ] [ 8 ] This behavior challenged the leading theory that strong La Niña events were enabled by the mass transport of ocean heat content ...
According to an internal survey of 1,400 TripIt's users, 15% of its users were affected by extreme weather this summer, but it projects that number will rise as El Niño weather patterns form.