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Everything posted by Scott Ingham
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Remembering that surprises crop up at VERY short notice I’d advice us to use the HI res models on Saturday to corner Monday which is the first day with low enough uppers and low enough heights. Then each day going forward. Sunday for Tuesday and so on! I’ll eat my dog and I love my dog! If there isn’t a disturbance that throws up snow next week!
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The wedge isn’t probably prominent enough on this run but if you look where the black arrow is pointing you can see where the residual elements of inertia have created a wedge. Run it back and forward and you’ll see the trough west of Greenland breaking up and sliding. This is what could potentially extend our spell. I’d like to see the ensembles move over the next 3 days then it’s game on! Original post: https://community.netweather.tv/topic/99760-model-output-discussion-colder-but-how-cold-and-for-how-long/?do=findComment&comment=5007854
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The wedge isn’t probably prominent enough on this run but if you look where the black arrow is pointing you can see where the residual elements of inertia have created a wedge. Run it back and forward and you’ll see the trough west of Greenland breaking up and sliding. This is what could potentially extend our spell. I’d like to see the ensembles move over the next 3 days then it’s game on!
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The 29th - 5th chart is encouraging. Not hard to see that evolve into an Icelandic/Scandinavian high. I’m encouraged again for round 2 around this 29th date. February if anything has more potential than January in my opinion with uppers at their lowest this month to the east of us. It’s sad that I prefer a 3 week chase to a 1 week chase getting some snow weather geek alert!!!
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Tbh it’s too premature to write off any snow it’s just too far out and too premature to predict mild when a lot of signals point to blocking wedges keeping the jet south. Sometimes it’s good to second guess the models if you don’t feel it fits in with the predicted atmosphere and never take them at face value until inside 96hours. We don’t need to be down beat it’s a watching scenario still for both length and level of snowcover
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If you read Tamara’s take there are wedges that won’t be picked up until 120s. I agree the end back mild winning at day 9 but I wouldn’t put my mortgage on it if wedges send low pressure into Europe and keep us on the right side of the jet. That’s something to keep an eye on and until I see it I have to go with the ensembles atm and say I agree mild “should” be coming in 9 days time. Just watch this space….
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It does look dry atm but with the low heights and warm seas in place small features have a chance of popping up within 48 hours. The same is said every cold spell 2010 was dry 144 hours out then look what happened. I’d rather the low go to the south keep hold of the cold air for longer and get disturbances.
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Yeah that’s true and there’s no doubt there will be a period where the jet is forced north due to a fall in AAM and MJO Phases 4/5 but with some inertia left in the system if we can get wedges a little further east than Greenland we may stay on the cold side of the JET. *MAY* we have sets still working this out at this range. I suspect even if it does flatten out the very end of Jan into Feb looks ripe for High lat blocking to dominate once more anyway