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Model Output Discussion - Spring Has Sprung
Troubleatmill replied to Community Team's topic in Forecast Model Discussion
Starting to get worried about the rest of winter, the GFS OP all the way to to t384 is shocking and the GEFS ens out to t240 all have strong heights to the south...ominous, of course it can change, but in just over a week we will be saying we are running out of time -
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Agree there pal, on the latest ensembles there has been a very strong +NAO making it difficult for anything to get a foothold in scandi. Can and will change as it's so far out but certainly not great chart viewing. Who knows, the next runs might hint at the energy just off the eastern board digging south again, allowing ridging to set up as we want it too aka yesterday's 12z Main point was, if we we did get a true scandi high emerging, I wouldn't be too bothered about the 850s before hand (build it and they will come) as the ridging will pull cold air down from the arctic into Scandinavia as part of the building blocks All we can do is keep an eye out and hope
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I've always been a little unsure about this, as if a true scandivian high was to set up, cold would soon be brought in around it. Using last night's 12z as an example, nothing much out east as you would expect with a westerly flow all the way to western russia, however as soon as the scandi high asserts itself..bingo! It's all about getting the scandi high to align itself right.
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As much as I am buzzing about the snow we have had in the NW today (totally unexpected) I think the warm sector that was always forecast to come in, is now coming in. Hopefully those further east and north of where I am will escape too much melt, but think most of central & west Lancs and Merseyside & western Mancs are going to see quite a bit of melt before dusk Still bloody chuffed with what we have had though!!!!
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Yes mate, although first lying snow since Dec 2010 for me incredibly. A warm up is happening from the weekend and default winter temperate meh weather is going to set in for the rest of Jan. However following on from the 12z GEFS last night, this morning's ECM anomolies are also showing in the very far reaches where the next 'chase' is likely to come with a euro high perhaps tracking north to scandi. Way to far out to get excited, but hopefully in the next few days we will start to see some decent scandi high charts appearing at the very end of the GFS runs & associated ensembles