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Everything posted by andyhb
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GFS is very heavily suppressed. That's the number one failure mode with this storm by far with a near record strength Arctic high to the north.
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I'm telling you all what you don't want with this storm, and it's this centered over the Atlanta metro via the 00z Euro. Do not be in the ZR swath with this thing.
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1.5+" of ice for much of the Atlanta metro/N GA thanks to an extremely strong CAD wedge. This is a nightmare.
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Absolutely historic, devastating ice storm on that 00z Euro run for a wide swath of the Southeast. You do not want that verifying.
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Bordering PDII levels on that UK run, deeper storm with a long period of heavy snow both in the WAA region and the deformation zone.
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And for the knockout punch...
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If you want a major storm, you want Tomer Burg talking like this. End of story.
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Big west based -NAO with a lot of cold air present usually equals some kind of pay dirt, just uncommon in a Niña.
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What in the 2010 hell was that AIFS run?
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That is a catastrophic ice storm on the 12z Euro for this region and particularly Atlanta.
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Winter 2025-26 Medium/Long Range Discussion
andyhb replied to michsnowfreak's topic in Lakes/Ohio Valley
Ok but seriously, what in the actual hell happened with that run? -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
Jackpots of over 16” in central IA and S WI with this, seems like many areas got over 10” by the end of it. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
Looks like the advertised spread the wealth event is coming into fruition. Seems like N IN is doing pretty well compared to expectations, widespread 6-12" elsewhere. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
Des Moines looks like it’s getting hammered. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
18z EPS mean is 10" for the QC even at 10:1 ratios, pretty impressive considering I'd expect the ratios to be better than that through a good chunk of the storm. This will punch above its weight class SLP depth wise given the favorable dynamics aloft and very strong LLJ/WAA minus a lot of strong convection in the warm sector. Height falls look excellent on the 00z GFS. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
HRRR continues to be very impressive, albeit likely overdone. Verbatim would likely mean some pockets of 12-18" over IA and N IL/S WI. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
IIRC that wave had a deepening trend closer to verification as well as the PV lobe became better resolved, I remember having some back and forth with @RCNYILWX about it at the time. The issue this time is that the upstream ridge isn't quite as amplified as that, and there's a bit more phasing required here for a higher end outcome. -
Nov 28-30th Post Turkey Day Winter Storm
andyhb replied to Chicago Storm's topic in Lakes/Ohio Valley
500 mb evolution with this does remind me a good deal of a slightly less impressive version of GHD II. Trough/jet streak matures in a very similar way and the thermos aren't terribly far off from that either. More likely to taper out with eastward extent though. -
11/8-11/10 First Snow and Lake Effect Event
andyhb replied to Geoboy645's topic in Lakes/Ohio Valley
Visibility is effectively zero on that Skydeck webcam now. -
11/8-11/10 First Snow and Lake Effect Event
andyhb replied to Geoboy645's topic in Lakes/Ohio Valley
How has no one said "rdy 2 b buried" yet? -
Major Hurricane Melissa - 892mb - 185mph Jamaica landfall
andyhb replied to GaWx's topic in Tropical Headquarters
Incredible and I mean incredible tree/vegetation damage from Melissa across a large area in this video. There's only a few TCs in recent memory that have produced damage on this scale. -
Major Hurricane Melissa - 892mb - 185mph Jamaica landfall
andyhb replied to GaWx's topic in Tropical Headquarters
The damage in this overhead imagery is pretty mind boggling.
