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Everything posted by Stormchaserchuck1
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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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This isn't that bad from this range. What I don't like is the loss of 50/50 low on ensembles.
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2024 Valentines Day Rain/Snow/Who The Hell Knows Thread
Stormchaserchuck1 replied to WinterWxLuvr's topic in Mid Atlantic
This does not hit northern MD -
Now on models: The NAO is moderately negative for 84 hours, and that's about it (hrs 204-288)! Compared to some recent episodes, the Polar ridging doesn't look impressive, it barely even closes off any blocks. +250dm max (-epo/-ao) in February is not that much. The 50/50 low has trended much weaker for PD threat.
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2024 Valentines Day Rain/Snow/Who The Hell Knows Thread
Stormchaserchuck1 replied to WinterWxLuvr's topic in Mid Atlantic
A lot of ensemble variation still on the storm. Some miss it completely to the south. https://ibb.co/2880jhz Usually when there's a bombing low pressure, there is a wider range. -
Nah, with the -EPO like that we should be colder.. that's why I said watch to see what they do over Alaska in future runs.
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You guys did say that the Atlantic was warm.. in the south-central and Caribbean SSTs are where they usually are in July? Here's a 591dm High over Dominican Republic. https://ibb.co/bL6GYZQ ^That 50/50 low is a little north, and while it is a -AO, it may also be a neutral to + NAO. https://ibb.co/7z7z3FZ
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I don't know.. I guess the -NAO isn't strong enough.
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The sad thing is, ultra favorable periods are the only ones producing.. This will be our 3rd round of strong -NAO. Anything without a -NAO/+PNA in place may finish the year "0".
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2024 Valentines Day Rain/Snow/Who The Hell Knows Thread
Stormchaserchuck1 replied to WinterWxLuvr's topic in Mid Atlantic
Actually somewhat big changes on the NAM short term.. I guess that's why everyone loves it so much https://ibb.co/G2rTd9d
