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Winter 2021-22


Ji
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2 hours ago, StormchaserChuck! said:

My best analog is 20-21, although maybe the February cold happens in January (with -PNA/+EPO favored during -NAO in January)

I also like 10-11, 11-12, 08-09, 07-08

(It's too bad we didn't do El Nino this Winter, for testing purposes)

4 of your 5 analogs are from a 5 year period…and it would be pretty hard to use those to make any substantive forecast. 07-08 and 11-12 were very similar. And 08-09, 10-11, 20-21 all bore similarity. But those two groups of Nina’s bore little resemblance with each other other than they were all below normal snowfall. But that’s kinda a given and probably should be the forecast any year since ~75% are below normal.  But one group was very warm with a dominant southeast east ridge all winter and no real hope of frozen. The other group was much colder with a lot of teases but still as typical on a Nina not much payoff in terms of snow.  We know a Nina will VERY likely have below avg snow but in terms of deciding if it will be the colder v warmer type those analogs are useless. 

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Cold wind off of South America, 20 analogs

https://ibb.co/xjmJKtw

2 years later it's a strong El Nino signal!

https://ibb.co/0ZLs4T9
 

I diversified, including Strong Nino's of 72 and 65 as(neg-ENSO), and many Neutral analogs

https://ibb.co/R9Sk75d

It's still -PNA, alot

Through next July 

https://ibb.co/qChknGG

-QBO <-15 right now is 10-3, 10/13 chance of being negative two years later,23-24,(which is strong -NAO/good Winter signal)

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