On 2009-12-07, John Hall wrote:


The 12:00 ECMWF run is now out. The operational run wants to direct the
coldest air from NE to SW just to the east and south of us, but as
that's at days 9 and 10 it might easily change.


How does 850mb temp correspond with surface temp at this time of year?
is -5 @ 850mb 0C at the surface?
--
comp.john