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Everything posted by Stormchaserchuck1
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I like the EPO negative, and +PNA we haven't really seen this Winter. I was just pointing out that LR models have been really bad, they keep showing an El Nino pattern, but since the El Nino developed in April, we never had a +pna. In Oct-Nov, I was saying the mean pattern in the SW N. Pacific was a ridge for a Strong Nino! It's no surprise the Euro weeklies busted and we only have some weak +pna in the medium range here. I'm worried that next Winter the pendulum may swing completely toward what you are calling -PDO. I get what you are saying about patterns that used to work.. and I agree, the PNA has a precipitation correlation here that is actually greater than the temperature correlation in the Wintertime! That means, the net air temps+precip makes -PNA more favorable for snow than +PNA. The deceiving thing is coastal lows form much stronger in +PNA, there is a +0.3 correlation vs -0.3 for -PNA.. so if you look at SLP you would say +PNA Is the obvious better pattern for snow. I think it's somewhat +AMO related. We've been getting this ridge where the Hadley Cell meets the mid-latitude Cell.. it started on the West coast, and especially the SW where it stopped raining after 1995. The Pacific Jet used to go into SF a lot, now it doesn't even rain there anymore.. the jet goes all the way up into Alaska.. Over the last few years, that pattern in the mid-latitudes has made it to the east coast. The AMO changed in 1995, so I would say maybe wait for that to wane.. also, according to the CPC we aren't getting -NAO's nearly as much these days, and the WPO has been positive a lot.
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Man that 50/50 low really went away. What a bad modeled feature!
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Yeah we got 7-9"! Too bad it was the very middle of Winter in an ultra-favorable blocking pattern lol. We aren't doing it any other way these days.
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This isn't that favorable of a 500mb +WPO/+EPO.. NAO isn't that strong one way or another, CPC actually has the NAO positive for the Winter so far. I agree that the base-state is -PNA/-PDO right now. It may be connected to the +AMO cycle and general Hadley Cell expansion. I think these decadal cycles wane eventually.. I was half expecting us to have a Winter like 57-58 this year.. the PDO went from ridiculous negative to nonmatter that Winter.
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Dude.. the -NAO is so weak now. I was right, when storms start cutting on models, and surface goes warmer, the models are usually adjusting the upper latitudes too. That's what happened. The blocks you and brooklynwx keep showing are ridiculous. We are no where near that -NAO strength. There is no disconnect also. It's fitting what we've seen over the last 2-5 years. But like I said before, when we are hitting -PNA at the end of this cycle, the SE ridge flexes/EC gets warm.. I'd watch for that later in the month and possibly next Winter.
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El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
There is now a -3c pocket in the central-subsurface on TAO/Triton maps. NOAA said 55% chance La Nina develops by the Summer a little while ago, based on the subsurface. It may be a little higher now. -
Winter 2023-2024
Stormchaserchuck1 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Since it's slow, I'll say again that NG is 1.86, the over/under on March temps in the NE/GL's with this is +5-7F. My guess is because models want to develop a -NAO/AO from the February Stratosphere warming, there may be -PNA/+EPO in March. -
El Nino 2023-2024
Stormchaserchuck1 replied to George001's topic in Weather Forecasting and Discussion
I wouldn't bet on fluke heavy snow in the SE. There is heavy trend against it. Even when the upper latitude pattern is favorable for them the last two Winters, it's not even really close. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Nobody's into it, but we get some wrap around flurries Tuesday on the 0z NAM. Low pressure is really strong, 980s mb right when it exits the coast off of Ocean City. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
RAP.. whew -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Up where I live in Harford County, I might get 45 minutes of heavy snow.. may add up to a dusting or 1/2". For the 5-10% chance, A small shift south could be a big deal though. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
18z Hrr fwiw was colder than the NAM with the 0 line at 48hrs https://ibb.co/s1FZmsS -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Really close for northern MD on the 18z NAM. Close, but a miss. 850mb temps are near 0 at hr63 heavy precip close Actual SL low is off of Ocean City MD.. -
2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
NAM is definitely more amped this run https://ibb.co/vhgMX70 -
12z GEFS: PNA is negative for "PSU storm".. I don't care what the NAO is doing, the Pacific has overwhelmed the Atlantic constantly since 18-19. I mean, with the way it's trending, we may end up in the 50s. I still think PD is our best shot at snow, because it has the most favorable upper latitude pattern. When subsurface ENSO changes happen, the N. Pacific pattern does adjust, sometimes even despite what is going on at the surface. It's a fairly successful forecasting method. The -NAO/-PNA/+EPO, +NAO/+PNA/-EPO correlation is holding. Models were showing a break, but it backed off of the short term -NAO, associated with +PNA, and went stronger on long range -NAO associated with -PNA.
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2024 Valentines Day Who the Hell Knows - Comeback Thread
Stormchaserchuck1 replied to DDweatherman's topic in Mid Atlantic
Really getting warm out today. -
Warm out, 60 degrees, and I love it. I've been seeing all this Spring grazing birds, and they are moving like it's March-April..
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See PSU this is what's happening https://ibb.co/x70S0hq
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We lose the -EPO and the Japan ridge is moving east. In verification, Surface temps would be a problem I think.
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Did you guys see my NG research? It's since fallen down to 1.83 https://ibb.co/kxdbZSs
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NAO isn't even stronger on our side of the globe. https://ibb.co/zFvdTQv 0.38 correlation in February to Air Temps https://ibb.co/XDCcQyq https://ibb.co/P6KD38J
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Yeah.. did you guys see the NOAA issued a La Nina watch https://www.climate.gov/news-features/blogs/enso/february-2024-enso-outlook-all-along-la-nina-watch-tower And it could be +QBO next year too.. and the last time we had +NAO we hit 80 in January!
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Here's a strong NAO we had.. a few days ago https://ibb.co/31LQ0dy
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It's not even a block. And the tendency is for things to be warmer.
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Yeah.. that ridge near Japan is approaching the same extent. It doesn't even close off a block. In the last year, we've seen 3 stronger -NAO events (March '23, early Dec '24, Jan '24). GEFS is a weaker signal right now though, and 6z is more recent.
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