Thread: Sub Zero
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Old November 10th 04, 06:51 PM posted to uk.sci.weather
Will Hand Will Hand is offline
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Default Sub Zero



"Norman Lynagh" wrote in
message ...
In message , JJCMayes1
writes
I was wondering today whether there has ever been a winter (Dec, Jan &
Feb) where the temperature has not fallen below zero. Lets say

somewhere
in the far south of England.


As you pointed out, if a winter is frost free, there is often a frost in
spring. To get around this, if we look at the calendar year, Southsea in

1974
failed to go lower than +0.2. Headlands on the west coast of Britain also
stayed above zero (Hartland Pt., Dale Fort, Bardsey Is.). One site on the

west
coast of Scotland and one on an island (Islay) dropped only to 0.0. Some

places
in Cornwall stayed above in the warm year of 1949 - and probably in other

warm
years too.

Of course, winter 1973-74 might not have been frost free at Southsea, but

the
Monthly Weather Reports of the Met Office show that there were air frosts

in
Nov. and Dec. 1973 so the winter half-year 73-74 was not frost free.
Interesting case of a combination of a warm sea and urban warming

effects. I
would not even dare to look up urban rooftop records ( :-) ) but London

Weather
Centre must have come close in some years, as has St James's Park.

If warming continues as scenarios suggest, it will be intersting to see

how
often the air frost free year occurs. It might occur in the the centres

of
larger cities - if only they all still had (ground level) observing

sites.
Maybe not this winter though, if journalists are to be believed....

Julian
Julian Mayes, Molesey, Surrey (still waiting for first air frost this

season).


I have been mildly amused by the young lady doing the weather
presentations on Sky News this afternoon. She has been emphasising how
"VERY cold" it will be tonight in the south of England (her emphasis on
"VERY") with temperatures falling to around 2c. I would have described
that as

"not a particularly cold night but maybe a touch of frost on the
ground"

It is probably the case that young adults today have quite a different
perception of what is "typical" or "normal" weather than old farts like
me have. To put it another way, I probably haven't moved on with the
times :-) I do wonder what will happen the next time there is a
significant widespread snowfall over the south of England. As has been
mentioned before on this ng there is a whole generation of drivers with
little or no experience of driving in severe winter conditions. I'm glad
my daily commute these days is only one flight of stairs from the
bedroom to the office:-)

Norman.


Do you really think we will ever see a significant (ie 6 inches or more,
widespread snowfall over southern England again in our lifetimes ?). Maybe
an inch or two but I guess that will cause a bit of a panic LOL.

Will.
--

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