Jump to content

NorthHillsWx

Members
  • Posts

    7,372
  • Joined

  • Last visited

Posts posted by NorthHillsWx

  1. 30 minutes ago, GaWx said:

     A general model cold bias that includes the SE US is always a factor that should be considered because it often (though not always) leads to less cold air verifying vs what is shown, say, 8-10 days out (like what happened last week…keep in mind those extreme runs with widespread single digits to middle teens) and consistent with that storm tracks correcting to reality further NW (like also just happened as instead of offshore the SE coast it was mainly well inland). 
     

     But every case is different. So, we’ll see. For one important thing, how strong will the strongest 1/19-23 Arctic high actually be? If it ends up there’s a 1050ish coming down that maintains itself well into the 1040s for quite awhile and keeping in mind Siberian cold would be involved, that would favor deeper into the SE wintry precip possibilities and thus affect more people though it could also end up dry. I’d rather have the big high and see how it plays out.

    This setup actually gives Deep South areas like yours a shot if one of those Siberian 1045+ highs moves into the lakes and not straight down. Cold might overwhelm the storm track for most but it could get unusual areas into a storm chance 

    • Like 2
  2. There are two opposite but very possible ways to lose and both are shown on models. 
    1) Suppression: our system is squashed by the extreme Arctic airmass and we miss out. I really don’t think this will happen. I think the cold airmass is likely over modeled and we will see some relaxing of the cold push as we get closer

    2) Cold hung up west of apps. I know this sounds funny given the Euro extreme cold but we’ve seen this tune before and Canadian demonstrates it perfectly. There are some hints of a SER forming this weekend and we should be well acquainted with those impacts and setting the frontal zone up over the Carolina’s versus over or off the coast. You end up with an overrunning event for the Tennessee valley. I am much more worried bout this than suppression with the ridge orientation out west and lack of blocking over the North Atlantic even after this weekends rain storm
     

    There will be cold and moisture during the 19-26th period but there are clear cut ways to lose that are quite opposite of each other. Something in between is our path to victory. 

    • Like 6
    • 100% 1
  3. 1 minute ago, SnowGoose69 said:

    All models show some type of wave trying to generate in the Western Gulf there, that is such a suppressive pattern I'd be surprised if anything showed up consistently before D4-5 because most ensemble members and Op runs will want to squash the wave

    Exactly. It’s a very strong signal. Obviously we have no clue what the system will look like but I’m becoming confident pieces will be in play for a SE winter storm. This isn’t a model hiccup like we’re used to. Pretty much all suites are locked into that timeframe and we’re seeing winter storms pop on ops most runs. In other words, the pattern recognition is there

    • 100% 2
  4. 1 minute ago, WXNewton said:

    That's true, trying to not get excited when you see something like that is hard to do. However, the energy being modeled is only like 6-7 days out from working it's way towards us. 

    Yea. It’s nice to have had a storm and immediately have something to start to track without punting 2-3 weeks 

×
×
  • Create New...