snowman19
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Everything posted by snowman19
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The atmosphere has been screwy since the 15-16 super El Niño event, it obviously altered the global circulation in a big way. Don’t look at the new Euro seasonal for winter, ugly is putting it nicely, it made the new CANSIPS look good, but wow at this Euro run.....
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I don’t even bother looking at the SAI anymore. It’s proven to be completely useless snake oil. Abysmal failure several winters in a row
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This record low Arctic sea ice is disturbing. I think it’s definitely a contributing factor to the ++AO winters we’ve been seeing the last few years. It seems to be causing a positive feedback loop
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We are about to start seeing a fully coupled, ocean-atmosphere Niña start to take shape in the next few weeks. Should be interesting to see how that affects the PDO:
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The models are showing it becoming a modoki as we go into winter. Most Ninas start east and move west. Right now, it’s definitely a basin-wide event, all 4 ENSO regions are cold. ENSO region 4 has not been this cold (-0.6C) in well over a decade. The models show region 4 remaining cold throughout the winter. https://tropicaltidbits.com/analysis/ocean/nino4.png
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Henry is literally the absolute worst I’ve ever seen, hands down. Whatever he predicts, the opposite is guaranteed to happen. Last winter, he kept predicting extreme cold and snow for the east coast from November until April when he finally gave up. That’s no exaggeration either, he wouldn’t give up, he was getting roasted on Twitter. Dude seemed totally delusional
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It’s supposed to peak at moderate in December
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The CFS is such a train wreck, always the very last one to get a clue. Pretty sad when American guidance is some of the worst out there
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For anyone following; the QBO number for September just updated, it’s up to +7.95
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@40/70 Benchmark Don’t know if you saw the update yet but the QBO went up to +7.95 for September....
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I wish I still had the link, but there was a very extensive article which went into depth on the ENSO/PDO winter relationship. It argued that ENSO forces the PDO, which is why, the overwhelming majority of the time you have +PDO with a Niño and -PDO with a Niña for winter. I think +PDO/Niña winters were found to be even rarer than -PDO/Nino winters in the study.. Both combos are very rare
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95-96 QBO started positive then went negative during winter right?
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To follow up with what raindancewx said, I noticed ENSO region 4 the other day, I can’t remember when it’s been consistently this cold. The models are projecting it to stay quite cold into winter....
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Doesn’t tropical forcing normally move to the maritime continent in February in most “typical” La Niñas?
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Honestly can’t remember how long it’s been since ENSO region 4 was this cold. The models showing a moderate peak in December are looking more and more believable. I had doubts about the Niña getting beyond weak, those doubts are pretty much gone:
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@psuhoffman I think another wildcard for winter that HM keeps mentioning is the wildfires’ effects on the stratosphere....
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It will be be interesting to see what happens with the North Pacific high come November and December, is it flat or poleward? Seems to be conflicting info about the QBO/Niña relationship like you said. Looks like there is pretty decent consensus now for a moderate peak sometime in December. As Ray showed in his preliminary outlook, it appears this event may be evolving into a “Modoki” La Niña now
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Don’t know if you guys saw it but winter composites for low solar/La Niña/+QBO were posted in the New England forum:
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These fires are reaching record heights into the stratosphere: https://graphics.reuters.com/USA-WILDFIRE/POLLUTION/xlbpgjgervq/
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Here is the links to the articles he mentioned on this:
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Even up in the NYC metro area, a La Niña/+NAO is a very, very bad combo for snow and cold lovers. New England is a different story
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No, they have just begun to affect the stratosphere. The effects will continue through winter. This is going to have long lasting effects for many months even after they end
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All these wildfires punching smoke up into the stratosphere are not what you want to see. It is increasing the chances of seeing another +AO winter. HM posted 2 articles last week explaining in detail why this is
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Very Impressive job. Obviously took you a lot of time and effort. Interesting write up
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How much of a monkey wrench do you think this may throw into things?
