The Weather Outlook

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Essan
16 August 2011 09:17:35

Well I still hope we see no snow here until Jan - simply for the novelty value of having a whole calendar year without snowfall  

Given this summer has been different to recent years (August esp.) then I see no reason at this stage to suppose next winter will be a repeat of last.


Andy

Evesham, Worcs, Albion - 35m asl

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roger63
  • roger63
  • Advanced Member Topic Starter
16 August 2011 09:23:28

Once again, like I said last year, I think whatever happens we will get a noticeable cold period or major snow event, that people refer to months/years down the line. Last year I was correct with the nov/december period.

But I think there is more chance of it happening throughout winter and with, what maybe a blocked autumn judging by most lrfs models, it looks like a good start for those wanting cold and snow. 

It would be fantastic if we got a major snowstorm on christmas eve/day, like late nov/early dec and just before xmas period. 

Originally Posted by: sunnyhighpressure 

It would be good if we got at least one major snow event this winter.For those of us close to the south coast the maximum snow depth was only around 3 inches last December.I'm still kicking myself that I didn't head up north during last December to see deep lying snow.

What we have not seen in the last thrree winters is snow accompanied by reallly strong winds.Even if it only lasts for a week I'd  love to see a full scale blizzard with huge snow drifts at some stage in Winter 2011/12.

Solar Cycles
16 August 2011 09:31:08

Well I still hope we see no snow here until Jan - simply for the novelty value of having a whole calendar year without snowfall  

Given this summer has been different to recent years (August esp.) then I see no reason at this stage to suppose next winter will be a repeat of last.

Originally Posted by: Essan 

One thing we can be certain of, and that is there are no certainties in weather. 

Jonesy
16 August 2011 19:35:02

Amazing to think that roughly 3 Months from now we will be at the same time of Year that produced the first widespread Snow in 2010. Time goes fast doesn't it !!...Still 1/4 Year away though

I walked back into work today after a lovely Week off and guess what was on my desk?...A Christmas Menu   then this caused a discussion about our last Christmas Doo which was a White out with Snow ( Thurs 2nd Dec 2010 )

I'll put the Question to you, like i did them....

Q: If you could choose 2 Heavy Widespread Snowfall Events would you want them before Christmas again like Last Year ( SE Remained Snow Free after Christmas ), or 2 events after Christmas or 1 either side? NONE AT ALL is NOT and option !!!

I think what made last year seem so bad for many was 2 Heavy Snowfall eventsalmost a week/two apart, If they were spread out I don't think Winter 2010 would of had the same impact in terms of discussion.

 


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LeedsLad123
16 August 2011 19:43:27

Amazing to think that roughly 3 Months from now we will be at the same time of Year that produced the first widespread Snow in 2010. Time goes fast doesn't it !!...Still 1/4 Year away though

I walked back into work today after a lovely Week off and guess what was on my desk?...A Christmas Menu   then this caused a discussion about our last Christmas Doo which was a White out with Snow ( Thurs 2nd Dec 2010 )

I'll put the Question to you, like i did them....

Q: If you could choose 2 Heavy Widespread Snowfall Events would you want them before Christmas again like Last Year ( SE Remained Snow Free after Christmas ), or 2 events after Christmas or 1 either side? NONE AT ALL is NOT and option !!!

I think what made last year seem so bad for many was 2 Heavy Snowfall eventsalmost a week/two apart, If they were spread out I don't think Winter 2010 would of had the same impact in terms of discussion.

 

Originally Posted by: Jonesy 

Here in east Leeds, there was no snow in late December, just very cold with a permanent rime frost. I would rather have snow after Christmas, in February, that way winter wouldn't feel like such a let down if it started cold and ended mild, for example. Just the way the human mind works I guess. 


Whitkirk, Leeds - 85m ASL.
Gavin P
18 August 2011 15:37:42

Beijing updated for August and here is the Dec-Feb pressure forecast;

http://cmdp.ncc.cma.gov.cn/pred/cs/CS2011/CS201112_201202GLZ500L4.GIF

Basically ridging in the Atlantic and troughing over Scandinavia. Very snowey for Nodic regions and into central/eastern europe. For us, I think we'd be constantly alternating between northerly and westerly winds.

Model updates from September onwards will be more significant, IMO.


Rural West Northants 120m asl

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Gavin D
18 August 2011 18:29:01

Latest CFS Updates,

Anyone get the feeling December will be our coldest month again with Janurary and February been warmer than normal.

roger63
  • roger63
  • Advanced Member Topic Starter
18 August 2011 20:01:19

Beijing updated for August and here is the Dec-Feb pressure forecast;

http://cmdp.ncc.cma.gov.cn/pred/cs/CS2011/CS201112_201202GLZ500L4.GIF

Basically ridging in the Atlantic and troughing over Scandinavia. Very snowey for Nodic regions and into central/eastern europe. For us, I think we'd be constantly alternating between northerly and westerly winds.

Model updates from September onwards will be more significant, IMO.

Originally Posted by: Gavin P 

Gavin how would you see the resulting CET panning out from a mixture of westerlies and northerlies?

Gavin P
18 August 2011 23:25:36

Beijing updated for August and here is the Dec-Feb pressure forecast;

http://cmdp.ncc.cma.gov.cn/pred/cs/CS2011/CS201112_201202GLZ500L4.GIF

Basically ridging in the Atlantic and troughing over Scandinavia. Very snowey for Nodic regions and into central/eastern europe. For us, I think we'd be constantly alternating between northerly and westerly winds.

Model updates from September onwards will be more significant, IMO.

Originally Posted by: roger63 

Gavin how would you see the resulting CET panning out from a mixture of westerlies and northerlies?

Originally Posted by: Gavin P 

Probably near normal with great variation both ways tending to cancel each other out.

 


Rural West Northants 120m asl

Short, medium and long range weather forecast videos @ https://www.youtube.com/user/GavsWeatherVids

Scandy 1050 MB
19 August 2011 07:00:23

Beijing updated for August and here is the Dec-Feb pressure forecast;

http://cmdp.ncc.cma.gov.cn/pred/cs/CS2011/CS201112_201202GLZ500L4.GIF

Basically ridging in the Atlantic and troughing over Scandinavia. Very snowey for Nodic regions and into central/eastern europe. For us, I think we'd be constantly alternating between northerly and westerly winds.

Model updates from September onwards will be more significant, IMO.

Originally Posted by: Gavin P 

Gavin how would you see the resulting CET panning out from a mixture of westerlies and northerlies?

Originally Posted by: roger63 

Probably near normal with great variation both ways tending to cancel each other out.

 

Originally Posted by: Gavin P 

Thanks for the posts Gavin, looking at the charts if I'm reading it right that is almost an identical pattern to what happened last winter and spring? i.e. cold December and then a warm to average Jan - Feb followed by a warm spring?

Gavin D
19 August 2011 13:06:40

I agree i'd settle for more a less the same as last winter a bit less snow and not as extreme temperatures would be better, but other than that a cold start followed by a warmer than average Jan and Feb follwed by a warm spring, that would be suite me fine.

SydneyonTees
19 August 2011 13:30:29

I agree i'd settle for more a less the same as last winter a bit less snow and not as extreme temperatures would be better, but other than that a cold start followed by a warmer than average Jan and Feb follwed by a warm spring, that would be suite me fine.

Originally Posted by: Gavin D 

 

 

hmmm, the UK is due a reminder of just how cold February can be I think.

Joe Bloggs
21 August 2011 13:10:46

A very unscientific post this, but I'll say it anyway.

I've just had a quick look through the NWP for past couple of months over on wetterzentrale, and pressure has been pretty high to our north and west for almost the whole summer, on and off of course.

Obviously there is no way of telling whether this will continue through the winter months, it may well not. But assuming we continue to be stuck in this blocking rut then I see no reason why we won't be at risk of yet more cold and snow once we get into the winter period.

I don't believe in random probability with our weather, I believe in trends and patterns, and as far as I can tell, we are still in a notable blocking phase.

TomC
  • TomC
  • Advanced Member
21 August 2011 13:41:37

I have to take my summer tyres home  when I change to winter tyres. I may be leaving it later this year

Joe Bloggs
21 August 2011 16:38:54

I have to take my summer tyres home  when I change to winter tyres. I may be leaving it later this year

Originally Posted by: TomC 

.... and what do you mean by that exactly Tom?

Gavin P
21 August 2011 16:41:39

I have to take my summer tyres home  when I change to winter tyres. I may be leaving it later this year

Originally Posted by: TomC 

So are we to take it the Met thinks the cold will be later on in the winter this time, rather than front loaded?


Rural West Northants 120m asl

Short, medium and long range weather forecast videos @ https://www.youtube.com/user/GavsWeatherVids

polarwind
21 August 2011 17:21:12

I have been looking at the jetstream charts for several months and forecasts for the next couple of weeks and imo, the polar vortex has expanded as the more meridional jetstream has persisted. Does anyone have any views as to how this might affect winter conditions if these anomalies continue?


"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)

"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad

"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell

"Science is the belief in the ignorance of the experts" – Richard Feynman

"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat

Dave,Derby

Brian Gaze
21 August 2011 19:06:03

Isn't this coming winter supposed to be the first Polar Presutti one? Hopefully Tom will make an appearance in this thread soon.


Brian Gaze

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Matty H
21 August 2011 19:13:04

Isn't this coming winter supposed to be the first Polar Presutti one? Hopefully Tom will make an appearance in this thread soon.

Originally Posted by: Brian Gaze 

If he does it'll be his first visit since 11th Feb this year.

 

I feel like Darren S


Yate, Nr Bristol

TBFTEIARBSC

Hungry Tiger
21 August 2011 19:50:44

This coming winter - A cold one.

 


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TomC
  • TomC
  • Advanced Member
21 August 2011 19:56:46

I have to take my summer tyres home  when I change to winter tyres. I may be leaving it later this year

Originally Posted by: Joe Bloggs 

.... and what do you mean by that exactly Tom?

Originally Posted by: TomC 

I'll leave it to Gary this year, he is working with the Met O this Autumn

Stormchaser
21 August 2011 20:00:16

Highs to the north and west give the UK more cold air to contend with/work with.

That's part of the reason why calm conditions have often given chilly nights this summer; the 850's have been below average as they mix with colder air being subtley fed into the mix by the blocking highs.


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Joe Bloggs
21 August 2011 20:12:37

I have to take my summer tyres home  when I change to winter tyres. I may be leaving it later this year

Originally Posted by: TomC 

.... and what do you mean by that exactly Tom?

Originally Posted by: Joe Bloggs 

I'll leave it to Gary this year, he is working with the Met O this Autumn

Originally Posted by: TomC 

Amazing! Will have to meet up with him for a pint (to get some inside goss) 😂

polarwind
22 August 2011 10:30:02

I have been looking at the jetstream charts for several months and forecasts for the next couple of weeks and imo, the polar vortex has expanded as the more meridional jetstream has persisted. Does anyone have any views as to how this might affect winter conditions if these anomalies continue?

Originally Posted by: polarwind 

Well, someone thinks it's a useful approach and using it to make seasonal forecasts. Interesting.

This link, just now from the Autumn Discussion Thread 2011

http://www.weatherlogistics.com/wordpress/?p=1040

Weather Logistics UK is now releasing parts of its seasonal weather predictions free to the general public – whilst a more detailed up-to-date forecast and assistance can be obtained through purchasing our product. Our unique seasonal weather predictions are based on the diversion of the polar jet stream, by semi-stationary high pressure systems, that affect the properties (moisture and temperature) of North Atlantic air that tracks toward the British Isles. A blocking high pressure can either amplify or diminish the warming influence of climate change, increasing the prevalence of extreme weather conditions such as droughts and floods. The intensity and position of the possible array of jet streams that lie in the vicinity of the UK are crucial in our understanding of long range weather predictions.
Our early forecast produced back in May indicated that many regions of the UK and Ireland will be very wet this autumn, with rainfall typically 5 to 20% above the long term average. An earlier prediction indicated temperatures up to 2°C above average, in the well-above average category compared to the 1961 – 1990 temperature averages. We now predict a much stronger “blocking pattern” in the North Atlantic Ocean, with an indexed value of 7.3 out of 10.0 on our scale. In addition a cool sea surface temperatures pattern, with a strong E-W dipole, will act to substantially reduce our predicted positive temperature anomaly. Despite frequent storms and a significant tendency toward a milder tropical maritime airstream, our current monthly edition of the autumn weather prediction now indicates that seasonal  temperatures will fall in the close-to-average category.

and..........


"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)

"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad

"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell

"Science is the belief in the ignorance of the experts" – Richard Feynman

"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat

Dave,Derby

JoeShmoe99
23 August 2011 11:00:40

Anyone seen this?

 

http://www.exactaweather.com/UK_Long_Range_Forecast.html

 

 "I therefore expect the 2011-2012 winter to follow a similar pattern in terms of how November and December was in 2010 for the vast majority of this winter. It will be exceptionally cold and snowy with well below average temperatures. I fully expect to see records broken with the highlands of Scotland being once again particularly hard hit. " 

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