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WalsallWeather123

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Posts posted by WalsallWeather123

  1. 3 minutes ago, abbie123 said:

    So the ecm has this nailed at day 11 on one run I don’t think so lots more changes to come 

    gensnh-21-1-384.png

    Look at the GEFS mean. The block will collapse. It's fairly evident. Give it a few more days and the model will show it. We'll get a few chilly day with a bit of surface cold, but nothing signifcant, then the block will collapse

  2. Just now, mpkio2 said:

    We were expecting this to happen. ECM isn't as good as GFS, but then again, that run is possibly the best outcome we could get!

    ECM, as many have said, isn't a disaster at all and there is much to like - PV in shatters, high over UK and GIN corridor trying to retrogress upwards.

     I'm sure if you played the run on a few extreme frames, a high would set up in GIN and we would be back in an easterly flow!

     Just for a little perspective, this time last year we were looking down at the bottom of the barrel....

    archivesnh-2015-11-24-0-0.png

     If a run like the ECM 12z came along, we all would have jumped on it, wishing it to fruition!

     ECH1-240_ush3.GIF

    Thats a 2015 chart?

  3. 3 minutes ago, markw2680 said:

    Why are some so obsessed in every single run and model? They are not all going to be the same for stuff a week away or longer lol. Come on man get a grip.

    the route is going colder they all say the same that’s the important part at this point

    But when it shows cold its ok to be obsessed with single run? The bias is ridiculous. 

    • Like 1
  4. Another seriously impressive end of GFS run for cold weather. I know it's FI and I am normally one of the biggest critics of long range charts but there is model consensus at T240 from all models and it is obvious that we are going to get a cold spell at the end of November. The building blocks are being built and you just have to put up with some mild southerlies for a while and things will cool down quick time.

    • Like 4
  5. 1 hour ago, Mike Poole said:

    Performance varies, but currently for the NH at day 5, ECM wins, UKMO 2nd, FV3 third:

    image.thumb.jpg.ba73cf496926ca8256d818d5923056f4.jpg

    At day 10 FV3 first ECM 2nd and GFS and GEM tied third:

    image.thumb.jpg.95ae107d52316047433cd398052f7a70.jpg

    Re the comment about snow forecast from @WalsallWeather123 you'll see a lot more charts from GFS then because precipitation and snow charts are publicly available, they aren't for ECM, UKMO.  And if the snow event is actually going to happen, shorter range models like ARPEGE and HIRLAM then come into play.

     

    GFS snow charts are ridiculous though. They also show sleet as snow and overestimate accumulation yet they still are widely used and treated as gold standard. Surely people should know this by now!

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