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Everything posted by Matt H
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Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
FWIW the GEFS 18z ensemble mean is an improvement out to t162 with the high pressure ridging further north over the UK. Hopefully this is the start of a trend that continues to improve tomorrow morning. 12z: 18z: -
Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
Much better ECM 12z ensemble mean at t144 with signs of a decent easterly developing across quite a few of the individual members. Meanwhile this is the ECM operational run after changing its evolution significantly on every run... -
Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
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Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
Wow, what a fantastic set of model runs this afternoon so far. Virtually all of the mild outliers have vanished from the GEFS 12z ensemble suite as well with a very clear signal for a cold spell developing from the 6th February onwards now. The mean has even breached -8C for the first time as well with the many of the runs going colder still. Momentum is slowly building in our favour, I just hope the ECM stops messing around this evening. -
Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
The GEFS 06z ensembles are still looking good for a decent cold spell starting on the 6th February. Once again we can only hope that the ECM trends towards this later! -
Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
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Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
The GEFS 18z ensemble mean still looks good to me at t186 with a decent easterly wind. Hope the ECM improves again tomorrow morning. -
Model output discussion - is the beast awakening?
Matt H replied to Paul's topic in Forecast Model Discussion
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The GEFS 12z ensemble mean is now diving down to around -7C by the 6th February with a significant (and growing) cluster of runs breaching -10C still as well. Looks great for the initial cold spell but the longevity and intensity of it is still to play for obviously. No need to panic yet IMO!
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In all fairness Tim is just discussing a weather system that has the potential to produce a rain/snow event for a vast swathe of the country on Saturday. Many other people have also commented on this same weather system recently as well so I’m not sure what the issue is??
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The GEFS 06z ensemble mean is now down to around -7C by the 6th February compared to a mean of -5C on the 00z suite. Plenty of runs going colder than this as well. Progress!
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Fantastic NH profile on the parallel run, the PV is toast. It also ties in well to the long-range UKMO update for February as well so perhaps we’re on to something for once!
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Hopefully the UK won’t fare as badly on this ECM run as we do in the song contest though.
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