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Tom Jarvis

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Posts posted by Tom Jarvis

  1. 23 minutes ago, kold weather said:

    As far as I can see, yes.

    Again using the same 82 seperate ensemble members and operational models (Ie NOT GFS/ensembles, for comparison sakes) for the 12z runs:

    6 are too warm for wider parts of Kent and maybe S.Essex, 1-2 of them too warm for most of the region indeed.

    8 are marginal for the very far SE tip of Kent 

    68 look ok for the whole region.

    I'll update tomorrow's 00z run to see where the trend goes. Soon I will be able to add ARPEGE ensembles as well as a few other high resolution models, giving a total of 110+ separate runs.

     

    Are then any which give good totals to Sussex? 

    • Like 1
  2. 2 minutes ago, nick sussex said:

    An excellent ECM run upto day 8 .

    Hard to grumble with the amount of snow chances , the low on Sunday is still too far out to nail down . The more shallower the better for those more marginal areas .

    A trend also to dig more of that cold further south into mainland Europe which could be important depending on the angle of attack from the Atlantic .

    The ECM has made quite a change from previous runs , before the limpet shortwave phased with the upstream low , this is always a bit risky , here this doesn’t .

    Regarding any breakdown the angle of any attempt by low pressure to move in is likely to change between runs .

     

    Nick when do we expect your committee meeting report tonight. Hope there hasn’t been any lasting damage to the members over the last few days!!!

    • Like 1
  3. 3 minutes ago, Surrey said:

    2018 was hit and miss for sure I was working in Marlow and they had snow in the ground there for ages..cant remember exact length of time.. 

    I remember when the mild air arrived though as it went all "steamy" and foggy in the hills 

    Don’t have much of a memory of snow for the 2018 event here in Sussex I think we had 1 day of lying snow. Just hoping it isn’t the same again this time and we all get a good dumping of snow 

    • Like 2
  4. 6 minutes ago, Timmytour said:

    I really apologize guys, but I feel I have to draw attention to something that may well scupper how things may look tomorrow and change the outlook dramatically.

    My attention to the 12z and 18z runs, has been drawn to how much they depend upon what we generally expect to occur. not what actually happens.

    But looking at today's runs it strikes me that, against all odds, a high pressure system is going to pursue the low pressure south and follow it so far south, it ends up leaving us with southwesterly winds!

    I have come to this conclusion because I am convinced that, as well as managing Spurs, Mourinho also gives instructions to the models as regards how he wants the different pressure systems to play out,  but this will not be how they actually perform at the end of the day! 

     

    Timmy look at the jet stream it isn’t possible.

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