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2026-2027 Super El Nino


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Just now, 40/70 Benchmark said:

No, until you find me a +ENSO north of 2.0 that offered a favorable outcome for winter enthusiasts, it's factual. 

Not enough examples. 91-92 is the only west-based event 2.0 or greater. 15-16 was the only basin wide. 0/1 and 0/1.. the rest were east-based

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7 minutes ago, Stormchaserchuck1 said:

But why would the same thing change if it's 0.5 or 2.0?

I think it's a combination of the fact that there is so much excess heat in extreme warm ENSO, and it impacts the Atlantic STJ in such a manner that is very hostile to high latitude blocking.

I'd have to look back at the research to double check..been a minute. 

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15 minutes ago, 40/70 Benchmark said:

I knew you would call sample size :lol: Well, once we get a big NE winter with a 2.1+ El Niño, I'll capitulate.

If someone asked me, I'd take a repeat of 91-92 styled El Nino. the 2nd and 3rd strongest like that were 09-10 and 02-03

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20 minutes ago, 40/70 Benchmark said:

I knew you would call sample size :lol: Well, once we get a big NE winter with a 2.1+ El Niño, I'll capitulate.

Also there have been no La Nina's <-2.0. If there were, I bet they would be warm if they were west-based :)  (maybe before 1950 there were some, I'll have to check)

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10 minutes ago, Stormchaserchuck1 said:

If someone asked me, I'd take a repeat of 91-92 styled El Nino. the 2nd and 3rd strongest like that were 09-10 and 02-03

I would prefer it a bit weaker...but I don't doubt we could have had a good interlude(s) if the polar domain were not so hostile.

I compare all of these analogs with a fine-tooth comb this summer and fall.

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3 minutes ago, 40/70 Benchmark said:

I would prefer it a bit weaker...but I don't doubt we could have had a good interlude(s) if the NAO were not so hostile.

I see where you are getting stuck, you are taking analogs too literal. There are only really 2. The mechanics of the situation don't change, it only changes the amplitude. If forcing is west-based, that's +PNA and a stronger +PNA if it's >2.0 in the west (RONI). I'll take a really, really strong +PNA.  You just don't want it to get too close to the west coast, US, which is more tropically east-based

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7 minutes ago, Stormchaserchuck1 said:

I see where you are getting stuck, you are taking analogs too literal. There are only really 2. The mechanics of the situation don't change, it only changes the amplitude. If forcing is west-based, that's +PNA and a stronger +PNA if it's >2.0 in the west (RONI). I'll take a really, really strong +PNA.  You just don't want it to get too close to the west coast, US, which is more tropically east-based

No, I'm not "stuck"....what I do know is there is literal dearth of high latitude blocking when ENSO is exceptionally powerful, and I don't think that's a coincidence. Okay, the sample size is small....but it still is what it is.

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1 minute ago, 40/70 Benchmark said:

No, I'm not "stuck"....what I do know is there is literal dearth of high latitude blocking when ENSO is exceptionally powerful, and I don't think that's a coincidence. Okay, the sample size is small....but it still is what it is.

El Nino events actually favor 10mb Stratosphere warmings.. which can be -AO

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3 minutes ago, 40/70 Benchmark said:

Maybe I'm wrong...but until I see data to the contrary, I will feel as though extremely strong ENSO is hostile for high latitude blocking.

The NAO is weakly correlated to ENSO. There is in statistics a point of "random" where X amount of examples if they show something can be deemed as not significant. Then the logic of weak and strong in the same area is different, and it doesn't make sense. It's a shame we have so few data points, but the physics of meteorology and Hadley Cell/mid latitude Cell meeting points support generally cooler conditions in the Eastern US in Strong (>2.0) west-based El Nino's, as long as the eastern ENSO regions aren't going crazy

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3 minutes ago, 40/70 Benchmark said:

Exceptionally strong....I don't argue 1.5-2.0 can be favorable. 

The only way I can see that making a difference is if it's spilling over into Nino 3 and 1+2. If Nino 1+2 is +2, instead of +0.5.. because of the physics of that situation support a CONUS ridge

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Just now, 40/70 Benchmark said:

Right....events that strong always have warmth in region 1.2. Okay.....I get that. But that doesn't make me wrong....good luck getting one that doesn't.

Yeah basin wide is warmer than west-based, but I'm pointing out that 91-92 Winter warmth was an anomaly in an event with that orientation. 

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