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The warmest winter on record?


snoogit

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The El-Nino has all but fizzled now and we are heading very quickly towards La-Nina conditions with cold water pooling up in the central/eastern equatorial Pacific.

I just think we're not used to cold air like this coming in spring any more. The last few Aprils have been pretty warm.

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Nah.. La Nina means an active polar jet stream and a weakened subtropical jet that brings drought to the southern U.S. and increased rainfall to the Pacific Northwest and increased storminess across the north-central and Northeastern U.S.

La Ninas have a history of producing more NorEasters in winter and flooding to Australia. La Ninas usually aren't as strong as El-Ninos, nor are they as frequent, and while they bring desirable weather to the desert southwest and southeast (drier and warmer), it tends to increase extremes (where it's cold, it's colder than normal and where it's warm, it's warmer).

Also of important note, La-Ninas encourage Atlantic tropical storm development as they weaken easterly winds in the Caribbean which allows storms to form rather than be ripped apart by strong shearing winds (which occurs in El-Nino years, hence the 'normal' number of storms last season). 2005/06 had a weak La-Nina. 2005 was by far the most active storm season on record.

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