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Everything posted by Methuselah
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I remember the Braer Storm well: the only time I can ever recall snow up to the living-room window sill (and all with a WSW gale)...Scotland can really do well given a wee bit of RPM!
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Okay then... Based solely on an expectation of a very dry Europe, summer could get off to an early start, and temperature records might be under threat? Right, that's that buggered, then!
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I'm almost certain that I can recall the dear, old Express predicting a mini ice-age for early 1975? If so, it may have been the first in a long and illustrious line of the DE's meteorological successes!
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How often should we expect a very cold December?
Methuselah replied to Walsall Wood Snow's topic in Spring Weather Discussion
Well Mark, as I'm currently experiencing my 59th December, 1981 and 2010 are the only two that I can recall...Does one-in-thirty sound about right? -
Model Moans, Ramps and Banter
Methuselah replied to Polar Maritime's topic in Forecast Model Discussion
And the 'wonderfully accurate and true' alternative to the BBC is...? -
Interesting 06Z today: two potentially damaging storms in the short-term; in the middle-term, a few days' TM air with 850s of almost 10C, and, last but not least, the one that will never verify: the magic that frequents the T+384 time period! So, it's as you were: all to play for and more runs needed!
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Sometimes football makes a good analogy (perhaps!) for the weather? How many times (since the time of the K-T boundary) have Spurs been probabilistically 'favoured' to win things? And, how many times have said 'things' failed to materialise? Well, aren't probabilistic weather models similarly afflicted?
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I'm not at all sure it's a matter of badly-performing models, igloo, as I've yet to hear a single example - outside of the tabloids - of anyone stating categorically that either 'it will' or 'it won't'? It wasn't the fault of GloSea that many individuals chose to take the then probabilistic preference for blocking, as being a coded way of forecasting ice, snow and blizzards now, was it? IMO, we have had the blocking but, unfortunately for us, it's not been in our preferred location. That's all...
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Well, if the extended range of the GFS shows anything, it's that, at T+384, numerical weather-forecasting models are not yet quite up to the job; they're getting better, yes, but there's still along way to go... The Law of Diminishing Returns is - I think - very pertinent when applied to computational advances; just because the MetO or NASA (or the Daily Express!) can double their computational power doesn't mean that their forecasts' accuracy-time will noticeably increase as a result? Personally, I think it'll be many years before 15-Day forecasts become properly viable, if they ever do; mathematical chaos might be a bugger to get round, no matter how elaborate the calculator is? I'm hoping that some of our resident mathematicians might come to my aid, here. I think I need it!
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Reasons for cautious optimism, on today's 06Z, I'd suggest? Possibilities seem to exist for either an easterly outbreak, a northerly outbreak or even, dare I say it - both... The only downside is that it's all so far out in La La Land, it'll have (as it stands) less than a 50% chance of verifying? Let's just hope it does!