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andyhb

Meteorologist
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Everything posted by andyhb

  1. Yeah that second storm has true high end potential if it evolves anything like the 00z GFS or Euro. Both of those runs are historic storms for large swaths of real estate.
  2. Pretty similar idea on the 00z GFS and Euro, 6 hours apart. Some truly high end dynamics at play here if this is the general idea we see in a few days, but there are a number of caveats of course. Timing and the amplitude of that main shortwave are the main ones.
  3. UK about to uncork a monster as well at the end of the run. If that wave decides to dig a bit in the southwest and gets some help from the northwest via phasing or just as a kicker to help it swing out negatively tilted, the sky is the limit with the cold air waiting.
  4. That would be rivaling the Blizzard of 1978 for the most severe on record in the Midwest. I say that with an entirely straight face.
  5. The 500 mb trough with that is... a spectacle, let's just say that.
  6. Meanwhile the 12z Euro absolutely hammers the I-44 corridor with a historic winter storm next week.
  7. 12z Euro is quite simply a monster of a storm for the I-44 corridor next week. The overall pattern with an Arctic air mass dumping into the NW and a very potent jet/baroclinic zone seems supportive of something bigger for this region in that timeframe, although exact timing of shortwave amplification will dictate when and how high the ceiling might be.
  8. 00z GFS manages to hammer St. Louis, Chicago, Detroit, Toronto, and Montreal. True share the wealth track. That is just an incredibly impressive upper low for that far south. Sure, it could use more cold air, but dynamic cooling will no doubt come into play with such a potent setup aloft.
  9. EPS mean is also quite impressive considering the somewhat iffy operational run. How wound up the upper low is when it begins progressing poleward will be key in determining the extent of precip and also the warm nose. I’d keep an eye on any shifts towards a more open wave/less occluded cyclone especially early in the storm’s evolution across the Plains and MS Valley.
  10. Substantial uptick in snowfall/QPF for most of the Lakes/Midwest on the 12z GEFS mean vs. the 06z.
  11. It is possible, albeit I’d put the probability of such an outcome on the lower side given an occlusion that far south is a relative rarity.
  12. I don’t check in here all that often, but I’ll summarize the last few days of model runs for January across most of the CONUS in a couple of words. Switch. Flipped.
  13. Ensemble means continue to indicate the potential for a higher end event late this weekend into early next week. Pretty expansive area of significant snowfall on the means, and a solid chunk of the members really bomb the surface low out into the 970s. Would suggest fairly widespread blizzard conditions are possible. Looks to be a potential coast to coast storm as well and should certainly help the snowpack out west. I do like how the cold air is there but not overwhelming, which would suggest less potential for the surface low to get suppressed by excess high pressure in its developmental stages.
  14. That storm on the Euro/GFS/ensembles in the second week of January is a monster. A bit of a shame that moisture is cut off by the preceding system about 36-48 hours prior, but the ensembles are pretty locked it for high impact potential across a pretty large expanse of real estate. One may be concerned about the degree of suppression if all of the cold becomes involved at once, the STJ dominates, and/or the surface reflection isn’t as strong initially.
  15. https://x.com/LydiaFielderTV/status/1733641370793812357?s=20 Multiple deaths reported from the Clarksville TN tornado earlier.
  16. https://x.com/TikovonlaberWX/status/1733624586376233148?s=20 In Gallatin.
  17. Supercell west of Nashville is looking prime to produce a strong tornado.
  18. https://x.com/NC5_LelanStatom/status/1733584838408425710?s=20
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