La Nia conditions expected to take effect for second year in a row
The National Oceanic and Atmospheric Administration’s (NOAA) National Weather Service (NWS) released its winter weather outlook on Thursday, predicting more dry and warm weather for the South and a wetter winter for North America.
NOAA’s Climate Prediction Center said that, due to the second consecutive year of La Nia conditions, above-average temperatures are likely over much of the southern US and eastern US.
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Girl, Unlike El Nio, there is a periodic cooling of parts of the Pacific, which affects weather patterns around the world.
government prophet also wrote That is, above-average wetter conditions are forecast in parts of North America and primarily in the Pacific Northwest, the northern Rockies, the Great Lakes, the Ohio Valley, and western Alaska.
Above-average dry conditions are expected in south-central Alaska, southern California, southeast and southwest.
Below average temperatures are favorable for Southeast Alaska, the Pacific Northwest, and the Northern Plains to the east.
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Some regions, such as the Upper Mississippi Valley and smaller areas of the Great Lakes, have a similar probability for below-average, near- or above-average temperatures.
It all comes as drought is affecting the western US, the northern plains, and the Missouri River Basin.
The NOAA 2021 Winter Outlook said drought conditions are forecast to persist and develop over the Southwest and Southern Plains, while the Pacific Northwest, Northern California, Upper Midwest and Hawaii “are most likely to experience an improvement in drought”. “
NOAA notes that its outlook does not forecast seasonal snow accumulation because “snow forecasts generally do not forecast more than a week in advance.”
This outlook spans from December 2021 to February 2022 and the next update on the three-month outlook will be available on November 19.
Michael Farrar, director of the National Center for Environmental Prediction, said, “Using the most up-to-date technologies and computer models, our dedicated forecasters at the Center for Climate Prediction are helping communities prepare for the coming months with timely and accurate weather forecasts.” generate perspective.” , said in a statement.