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Everything posted by Cheshire Freeze
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Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
The point is we were staring down the barrel of an entrenched Euro HP a couple of days ago (if we took the modelling at face value)…which never ever looked plausible at all. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
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Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
This is a beautiful synoptic to be in… Often we get cold but no precipitation. With this you get high risk but a potential high pay out. Just enough forcing to allow systems to head SE enough that it interacts with cold advection from the main cold trough. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
This chart is really only a couple of tweaks away from the UK bring buried in snow just before Christmas -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Well here we go…this time last night I said expect the trend to continue and here we are at 192 hrs- -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Why shouldn’t it? It has been under attack for weeks and periods of VI (like now) aren’t uncommon before the thing collapses. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Well knock me down with a feather, it’s almost as if the GFS is starting to come to terms with the script. I don’t think the above sort of output will surprise a few of us on here. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Increasing confidence the UK will be under cold cyclonic conditions around Christmas. Snow chances for some I’d imagine. GEFS mean- -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Also signs the strat could have a fork put in it by the time early-mid Jan comes around. A nice warming working around from the European side on this run- I don’t see the negativity that has marred this thread in the past few days tbh…and I’m the first person to chirp up if the outlook looks dire to me. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
You can see even on the GEM that the TPV is draining away from the Canadian side with an amplified ridge in behind- Again, it’s likely had the run gone on that Christmas would show as cold and cyclonic for the UK -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Momentum seems to be swinging the other way now after a few days of lull in terms of wintry output. As expected, the momentum is towards a movement of the TPV towards the Eurasian side of the hemisphere rather than the Canadian side around Christmas We’re beginning to see more and more amplification over the Canadian side over the last 24 hours of runs. Expect this to continue. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
A cold one. Initially I had hoped we’d hang on to the early month cold via a proper Scandi HP and easterly, which would then be replaced by a cold N Europe trough. The cold N Europe trough is still on the menu though with the main vortex moving across Scandinavia. Looks fairly set to me given the dual hit of the earlier Canadian warming and increasing amplification upstream. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Almost like there’s been a lot of overreacting hysterics on here over the past few days… The scene for later December into Jan has been set for weeks. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
If that’s true then it’s absolutely shocking. From a model that I’ve seen people claim has one of the best grasps on the stratosphere. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
The EC46 waxes and wanes more than the moon. Seen enough from that particular model and its predecessors over the years to know just how fickle it can be. It was only a few short weeks ago it wasn’t even interested in the cold spell just gone. I’m keeping an open mind but I still believe we’re in for a wintry spell around Christmas. If we do get entrenched mild however, it’ll be a big coup for the CFS that has hone persistently euro high for winter since August. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
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Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
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Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Given the weight of evidence towards Christmas cold, I think for those of a betting nature, a flutter on a white Christmas might be a good shout this year… -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
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Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
Anyway…on to the models. Been at work all day so not really taken stock of what’s been thrown out on the runs today. Though catching up with the thread at various points, it looks to me like we’re still on track for a cold Christmas week and beyond. UK HP is often a precursor ‘holding’ pattern which precedes a pattern change in winter. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
The back end of the GFS runs will probably need to be followed now as they take us out to the next period of interest. -
Model Output Discussion - Into Winter
Cheshire Freeze replied to MATTWOLVES 3's topic in Forecast Model Discussion
That’s some N’ly at the end of the GFS. A part of the trop vortex drops into Scandi…beautiful. Over the past few years it has been the other side of the pond seeing that! Air mass wouldn’t be too modified under and around that either. Severe cold if something like that occurred.