After the initial quieter HP spell the GFS has flipped back flatter in the long term again today, with only the odd colder solution. The Op manages to sink the HP, which then throws up repeated ridges allowing for some short lived shots of chilly PM air as LPs pass by, alternating with the mild, wetter stuff.
ECM looks reasonable for some quiet colder stuff, once the HP moves enough to allow colder air to be drawn in. No real signs of the HP sinking on ECM so chilly or cold once the current milder air gets washed out.
All in all still no concrete signs of a cold spell but hints of how we could get one (P11 on the 00z GFS clearly has things sussed
).
It'll be interesting to see if colder weather (i.e sub -5 850s and some snow around) does materialise or whether we just end up with a benign mix of quiet chilly HP with some milder wetter interludes.
At the moment things are starting to feel a little like the potential of something more wintry is always just being nudged out of reach but still plenty of time left before it's time to give up on the cold rainbows and start looking for spring
Edit - probably should clarify the GFS still manages to inject some colder air for a time under the HP, leading to 3-4 days of chilly weather down here at least, not really checked re places North!
Edited by user
30 December 2018 09:52:28
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