In message ,
Richard Dixon writes
On Wednesday, 27 January 2016 10:03:36 UTC, wrote:

It develops a mid-atlantic ridge, something the MetO were expecting and in
line with what we discussed privately Keith!

Looks like a wonky operational run:

http://www-en-6.weatheronline.co.uk/...=en&WMO=03334&
MODELL=ecmwfts&VAR=tmp2&TIME=201601270000&TABLE=0 &ZOOM=0

....or does the added resolution of the operational run add something
the control/ensembles don't see in its horizontal (and more importantly
vertical) resolution?

Possibly, as the 12Z operational; runs is very similar.
--
John Hall
"Honest criticism is hard to take,
particularly from a relative, a friend,
an acquaintance, or a stranger." Franklin P Jones