La Nina Winter coming up
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Started by metmike - Oct. 17, 2020, 12:39 a.m.
By metmike - Oct. 17, 2020, 12:43 a.m.
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This was a great article from the Northern Indiana NWS that they sent out a decade ago with analog/composites from previous La Nina Winters, as well as explanations for numerous Winter Weather indicators.

La Nina is Back!

By metmike - Oct. 17, 2020, 12:44 a.m.
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By metmike - Oct. 17, 2020, 12:45 a.m.
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Arctic Oscillation Phases

metmike: Note below that there were many more days with a -AO during La Nina years and the very cold temps that occur because of it, from the N.Plains(coldest anamolies) across the entire Midwest, down to the Southeast and including all points eastward. 

Precip tends to be low/dry(but a higher % is snow) because the air being flushed down from high to mid latitudes with a -AO is usually very dry.

By metmike - Oct. 17, 2020, 12:50 a.m.
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North Atlantic Oscillation Phases