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Chicago Storm

Professional Forecaster
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Everything posted by Chicago Storm

  1. GEM throws another new scenario on the table. Lead wave ejects out as a glorified overrunning/frontal event, followed by a delayed ejection of the 2nd wave not until Thur/Fri, as a very wrapped up/occluded system...over DSM by Fri morning. .
  2. Euro, similar to the GEM, dives the northern wave in while the trough is over the Rockies and Plains...this leading to a more sig outcome. .
  3. Ukie has a solution of its own. Northern stream misses, so southern wave ejects out late and well south. Main snows are actually overrunning/frontal. .
  4. I’m not saying we’re going to get something sig here...yet. But it’s a lot closer than some think. .
  5. It’s still playing catch-up...give it some time. .
  6. Seeing significant changes in guidance the past 24 hours on how the next trough is handled. It now is looking increasingly likely a wave in the northern stream will dive SE out of Canada, interacting with the southern stream wave(s) coming into the Southwest. GEM and now the Ukie are showing sig snow much further south now, with the both very close to being an even more sig event than either have modeled even at this time.
  7. It is. Has been and will continue to be it appears. .
  8. Astronomical winter makes no difference. If ORD is sitting under 1” of snow as we head into the new year, futility watch has full steam ahead. .
  9. No doubt the system next week will be sig somewhere. However, without that weekend system being a bit more organized like on earlier guidance and eventually helping to suppress the mid week threat, this could end up a Dakotas/NE/MN/WI event. .
  10. i’ve never seen so many snow maps posted in such a short thread. .
  11. Don’t worry, he’s the in house know it all. .
  12. No shit, given both waves are a product of the northern steam. The question always has been how much the initial wave digs (+PNA an issue), and when the second wave digs in for a phase. .
  13. The GFS and Euro are still very different at 500, but at the surface they’re similar. Euro as trended towards the GFS evolution at 500 though. Probably can give it till tomorrow, but the writing is being drawn on the wall. .
  14. CFS and Euro weeklies are overall not pretty either through the end of January.
  15. Even though the AO is negative (part of reason it will get cold behind the system next week), the blocking overall anywhere in not strong. The PNA is one of the stronger driving forces right now, in a very fast moving pattern. The NAO has been neutral, and what happens in the future is sort of unclear.
  16. Teleconnections are really not super favorable through the rest of the month and into early Jan. The PNA regime that has been in place the that past month+ is going to continue, and not be of any help. Will be a continued pattern that you have to hope for a thread the needle setup, such as the Christmas potential. Otherwise it's more of a pattern that would support a hybrid-like system or continued Northeast/Eastern Lakes potential.
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