uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged.

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Old June 24th 08, 07:18 AM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.

Weather from the west; a pressure gradient from South to North across
the UK and the jetstream screaming right over the UK.

http://www.metcheck.com/V40/UK/FREE/jetstream.asp

The weather isn't dreadfully awful for everyone, though. Summer zonal
has much more of a warm influence from a hot continent than a winter
zonal pattern and between troughs, the strong sun allows some very
nice days, the closer to the continent that you are. The SE (and
Wimbledon) should benefit, but there's likely to be rain interruptions
as fronts cross the UK and the second week looks as if there will be
more than the first.

In addition; the jet, being right over us, allows the South to benefit
from the sinking air on it's Southern flank, whilst the poor NW now
gets the bulk of the wetter and windier weather - good to know the
drought has broken in Cumbria and NW Scotland - as the jet has
realigned itself, a little further North, from it's position last
week.

You must be getting some decent summery weather out of this Dave R?
I'll bet Hyde Park is full of sunbathers this afternoon and they'll be
doing a good trade in extortionately priced strawberries and cream at
Wimbledon. Watch the sun. An afternoon in today's conditions spells
lobster. It's not exactly cracking the flags weather, but 22C, light
winds and strong sunshine would be many people's idea of an English
summer heaven.

I can't see the zonal train stopping yet and the seach is now on for
the change. This zonal spell started on about 10/11th July and we've
now had 2 weeks of it. There's at least a week to go and it could last
a lot longer. That blocked Atlantic of Spring seems a long time ago,
doesn't it? I wonder what actually provided the Epsom salts to unblock
the system?

What a country for weather watching, I wouldn't live anywhere else!
Lovely in the SW this morning, but the office calls. Rats.

Paul


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Old June 24th 08, 07:42 AM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.

On Jun 24, 8:18*am, Dawlish wrote:
Weather from the west; a pressure gradient from South to North across
the UK and the jetstream screaming right over the UK.

http://www.metcheck.com/V40/UK/FREE/jetstream.asp

The weather isn't dreadfully awful for everyone, though. Summer zonal
has much more of a warm influence from a hot continent than a winter
zonal pattern and between troughs, the strong sun allows some very
nice days, the closer to the continent that you are. The SE (and
Wimbledon) should benefit, but there's likely to be rain interruptions
as fronts cross the UK and the second week looks as if there will be
more than the first.

In addition; the jet, being right over us, allows the South to benefit
from the sinking air on it's Southern flank, whilst the poor NW now
gets the bulk of the wetter and windier weather - good to know the
drought has broken in Cumbria and NW Scotland - as the jet has
realigned itself, a little further North, from it's position last
week.

You must be getting some decent summery weather out of this Dave R?
I'll bet Hyde Park is full of sunbathers this afternoon and they'll be
doing a good trade in extortionately priced *strawberries and cream at
Wimbledon. Watch the sun. An afternoon in today's conditions spells
lobster. It's not exactly cracking the flags weather, but 22C, light
winds and strong sunshine would be many people's idea of an English
summer heaven.

I can't see the zonal train stopping yet and the seach is now on for
the change. This zonal spell started on about 10/11th July and we've
now had 2 weeks of it. There's at least a week to go and it could last
a lot longer. That blocked Atlantic of Spring seems a long time ago,
doesn't it? I wonder what actually provided the Epsom salts to unblock
the system?

What a country for weather watching, I wouldn't live anywhere else!
Lovely in the SW this morning, but the office calls. Rats.

Paul


Ouch! Apologies for not checking the title before hitting; "send".

Paul
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Old June 24th 08, 08:03 AM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.

doesn't it? I wonder what actually provided the Epsom salts to unblock
the system?


An increasing temperature gradient between the now warm Canadian Arctic and
the cold Greenland Plateau?

Hazy sunshine this morning, feeling warmer than yesterday. Grass greening up
after the weekend's rain.

Not working today so best I get out there and enjoy the sunshine.

(09:00), 16.1°C, RH 74%, DP 11.4°C, 1017.5 hPa (F), Wind 5 mph SE.
________________
Nick.
Otter Valley, Devon
83 m amsl
http://www.ottervalley.co.uk


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Old June 24th 08, 09:23 AM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.

On Jun 24, 9:03*am, "Nick Gardner"
wrote:
doesn't it? I wonder what actually provided the Epsom salts to unblock
the system?


An increasing temperature gradient between the now warm Canadian Arctic and
the cold Greenland Plateau?


________________
Nick.
Otter Valley, Devon
83 m amslhttp://www.ottervalley.co.uk


Could be Nick, but the difficulty there is; why didn't zonal
conditions occur in the UK in other years when the same temperature
differential has occurred?

Paul
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Old June 24th 08, 09:55 AM posted to uk.sci.weather
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Default Zonal train. Looking for the change.

Could be Nick, but the difficulty there is; why didn't zonal
conditions occur in the UK in other years when the same temperature
differential has occurred?

But the 'Return of the Westerlies' and a 'zonal type' set up occurs in most
years around this time. Lamb detailed it and it is something I have noticed
that seems to happen in around 7 out of 10 years. Of course, the 'detail'
can make all the difference such as if the Jet Stream is just a little bit
to the north or to the south we can have a great detail of difference in
what weather we get, and if the Jet Stream is weaker or stronger, meanders
or not. Anyway, I am rambling on now and I am sure there are far more people
on this newsgroup better qualified than me to answer this question.

Turned very hazy now but the sun is still managing to shine through it.

(10:55), 19.1°C, RH 56%, DP 10.4°C, 1017.2 hPa (F), Wind 4 mph SE.
________________
Nick.
Otter Valley, Devon
83 m amsl
http://www.ottervalley.co.uk




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Old June 24th 08, 11:36 AM posted to uk.sci.weather
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Default Zonal train. Looking for the change.

On Jun 24, 10:55*am, "Nick Gardner"
wrote:
Could be Nick, but the difficulty there is; why didn't zonal


conditions occur in the UK in other years when the same temperature
differential has occurred?

But the 'Return of the Westerlies' and a 'zonal type' set up occurs in most
years around this time. Lamb detailed it and it is something I have noticed
that seems to happen in around 7 out of 10 years. Of course, the 'detail'
can make all the difference such as if the Jet Stream is just a little bit
to the north or to the south we can have a great detail of difference in
what weather we get, and if the Jet Stream is weaker or stronger, meanders
or not. Anyway, I am rambling on now and I am sure there are far more people
on this newsgroup better qualified than me to answer this question.

Turned very hazy now but the sun is still managing to shine through it.

(10:55), 19.1°C, RH 56%, DP 10.4°C, 1017.2 hPa (F), Wind 4 mph SE.
________________
Nick.
Otter Valley, Devon
83 m amslhttp://www.ottervalley.co.uk


No, no. Far from rambling! The re-establishment of a zonal type around
this time is well documented. I'm not sure about its statistical
reliability, but it is often referred to as the "European Monsoon". It
could be a result of strong heating over the continent/EAstern Europe,
drawing in Atlantic air after a spring hiatus.

Paul
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Old June 24th 08, 03:01 PM posted to uk.sci.weather
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Default Zonal train. Looking for the change.

"Nick Gardner" wrote...

But the 'Return of the Westerlies' and a 'zonal type' set up occurs
in most years around this time. Lamb detailed it and it is something
I have noticed that seems to happen in around 7 out of 10 years. Of
course, the 'detail' can make all the difference such as if the Jet
Stream is just a little bit to the north or to the south we can have
a great detail of difference in what weather we get, and if the Jet
Stream is weaker or stronger, meanders or not. Anyway, I am rambling
on now and I am sure there are far more people on this newsgroup
better qualified than me to answer this question.


.... Philip Eden wrote an excellent article on the subject of the
'European Monsoon' which those that haven't met the term before might
like to read:-

http://www.weatheronline.co.uk/

and look at the list of articles on the right-hand side.

Martin.



--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N Long: 01.88W
NGR: SU 082 023


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Old June 24th 08, 03:16 PM posted to uk.sci.weather
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Default Zonal train. Looking for the change.

On Jun 24, 4:01*pm, "Martin Rowley"
wrote:
"Nick Gardner" wrote...

But the 'Return of the Westerlies' and a 'zonal type' set up occurs
in most years around this time. Lamb detailed it and it is something
I have noticed that seems to happen in around 7 out of 10 years. Of
course, the 'detail' can make all the difference such as if the Jet
Stream is just a little bit to the north or to the south we can have
a great detail of difference in what weather we get, and if the Jet
Stream is weaker or stronger, meanders or not. Anyway, I am rambling
on now and I am sure there are far more people on this newsgroup
better qualified than me to answer this question.


... Philip Eden wrote an excellent article on the subject of the
'European Monsoon' which those that haven't met the term before might
like to read:-

http://www.weatheronline.co.uk/

and look at the list of articles on the right-hand side.

Martin.

--
Martin Rowley
West Moors, East Dorset (UK): 17m (56ft) amsl
Lat: 50.82N * Long: 01.88W
NGR: SU 082 023


Thanks Martin. The coincidence of the onset of wetter conditions last
year, being on exactly the same date as this year is quite remarkable!
It's not the same set-up as last year though (and so far, it is not as
wet) as I've argued before; let's hope the wetter weather doesn't last
as long!

Paul
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Old June 24th 08, 03:16 PM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.


"Dawlish" wrote in message
...
likely to be rain interruptions
as fronts cross the UK and the second week looks as if there will be


more than the first. So the S&SE can expect a worse week next week?



You must be getting some decent summery weather out of this Dave R?
It's not exactly cracking the flags weather, but 22C, light
winds and strong sunshine would be many people's idea of an English
summer heaven. Paul


Decent with reservations Paul. Its not strong sunshine this afternoon as its
turned milky I think for the SW too.
This 'decent' weather really started Sunday. A strange day, at first I
thought far too windy, in fact an extremely strong blustery wind but then in
the afternoon was a thinking this would be a damned hot day if it werent for
that wind and I decided it wasn't a grumble sort of day at all. Monday sunny
periods then cloud developed and built extensively in the pm period and it
was generally not too warm either when the sun disappeared behing one of
joined up large dark looking cumulii. Today is better, at 22C but if I say
anything its not quite got that feel of settled conditions that associate
with the really proper anticyclonic synoptics. By this I mean theres a
certain 'mobility' in the atmosphere which detracts away from any
perfection. So its not summer heaven by a long chalk.. I will say when its
Summer heaven - and its not yet. In fact it has to be at least over 25C as
well, for that, in this part of the country. But thanks for thinking of me.

Dave R


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Old June 24th 08, 03:21 PM posted to uk.sci.weather
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Default Zonal train. Lookig for tghe change.

On Jun 24, 4:16*pm, "Dave R." wrote:
"Dawlish" wrote in message

...

likely to be rain interruptions
as fronts cross the UK and the second week looks as if there will be
more than the first. So the S&SE can expect a worse week next week?
You must be getting some decent summery weather out of this Dave R?
It's not exactly cracking the flags weather, but 22C, light
winds and strong sunshine would be many people's idea of an English
summer heaven. Paul


Decent with reservations Paul. Its not strong sunshine this afternoon as its
turned milky I think for the SW too.
This 'decent' weather really started Sunday. A strange day, at first I
thought far too windy, in fact an extremely strong blustery wind but then in
the afternoon was a thinking this would be a damned hot day if it werent for
that wind and I decided it wasn't a grumble sort of day at all. Monday sunny
periods then cloud developed and built extensively in the pm period and it
was generally not too warm either when the sun disappeared behing one of
joined up large dark looking cumulii. Today is better, at 22C but if I say
anything its not quite got that feel of settled conditions that associate
with the really proper anticyclonic synoptics. By this I mean theres a
certain 'mobility' in the atmosphere which detracts away from any
perfection. So its not summer heaven by a long chalk.. I will say when its
Summer heaven - and its not yet. In fact it has to be at least over 25C as
well, for that, in this part of the country. But thanks for thinking of me..

Dave R


We worry about you Dave! I know what you mean about the mobile
situation and the lack of a "settled feel". These conditions are
transient; the nature of zonal weather and you can, sort of, "feel" it
in the air, that it's not settled, even though individual days can
give that appearance. Now there, I might be rambling too!

Compared to the longer-term average, the summer so far, for England
and for you at least, is, well, pretty average so far!

Paul


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