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SE and East Anglia general weather discussion 01/01/2018 onwards
SMU replied to Captain Shortwave's topic in Regional
sky has gone black here ! -
SE and East Anglia general weather discussion 01/01/2018 onwards
SMU replied to Captain Shortwave's topic in Regional
its great looking up into the cloud & seeing millions of little ice chunks falling down ! -
SE and East Anglia general weather discussion 01/01/2018 onwards
SMU replied to Captain Shortwave's topic in Regional
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
18z out to 174 is pretty much identical to the 12z bar slightly different by 6 hours - so almost neglible - ECM is likely to come on board tomorrow- -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
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epic weather in your corner if its snowing in that red bit then fast build ups - !!
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
Its a no from the ECM ... LOL ! ECM this year becoming renamed as the most progressive model... -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
Yep all good news for us... x -
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
yes mate & ECM 72 looks similar - Just awaiting the snow depth charts to update *** Why are we seeing these charts appear - Yes, The most Easterly stratospheric winds ever measured in 40 years ... *** S -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
GFS mean out to day 15- reverse flow across the whole of Europe out to Greenland - in tune with the progression post record breaking warming- -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
216 shows a strong Easterly flow & snow showers waiting for the Greenland High.... -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
GFS plot @192 looks a fair shout at the evolution which has been signalled for 48 hours now- Just the start really.... -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
Afternoon- The last 3 GFS updates for the warming ( oldest first ) Shows the convergence on -40M/S - This is record breaking - Wayyy stronger than any date in history back to 1979 on Interim ERA data ( -32 Ish being the record ) With such a broken vortex - one would assume that theres no return from there for Feb or for March..... -
@Sperrin another 20cm....
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
The 06z - now all but identical to the JMA yesterday looks a fair match for the transitional process post warming If this is going to move onto something Epic ( which it has a good chance to do ) then the polar regions will 'fill up' with High pressure a few days after this initial wave - with repetative Energy bursts of WAA... -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
So 24 hours since yesterday can the GFS get the canadian ridge migration right tonight- East out if Canada, phase with azores high then ridge NNE.... -
Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
yes standard vertical profile of a ridge pumping NNE out of the azores..... -
guys use the Hirlam - High res thats been the beat all year for short term events- S
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
The control run is what the coldies are 'expecting' the happen as a result of the SSW As highlighted now its about the trough diving SE & the vertical ridge Northwards -
SE and East Anglia general weather discussion 01/01/2018 onwards
SMU replied to Captain Shortwave's topic in Regional
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Model output discussion - proper cold spell inbound?
SMU replied to Paul's topic in Forecast Model Discussion
The JMA migrates the Canadian Ridge like the ECM - which at 168 / 192 phases with the azores high ridging North... Thats your transition period...