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Winter 2011/12 Chat Thread What'll it be then?

#41 User is offline   Dave W 

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Posted 01 December 2011 - 18:29

Tend to agree. I ve stopped issuing seasonal forecasts myself partly because of this..
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#42 User is offline   Andy Mayhew 

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Posted 01 December 2011 - 18:54

View PostChris Lloyd, on 01 December 2011 - 18:00, said:


Which brings me to my next point. I had a read of your forecast in your blog; in particular this bit -

"My own thoughts are that we will see some cold and perhaps snowy weather, most likely in December and January, but that for most people it will be nowhere near as harsh as last winter. We could see more milder, stormier, conditions at times as well. In other words, a normal mix of normal weather"

I have to say Andy that this covers just about every possibility. Are you not yourself guilty of what was in fact your pointed comment about Jonathon Powell :P Loved the "normal mix of normal weather" at the end. ;)


Well I wouldn't describe it as a forecast - and certainly wouldn't sell or advertise it as such. It's just a passing comment, as I often make in my blog. I don't do LRFs - just the weeky ones on UKww. But on the other hand my gut feeing was then (and remains) that this will not be a particularly special winter. Just a fairly bog standard normal one.

And whilst I think I was talking about the possibility of a drought for 2012 months ago :D But I'l never seriously claim I predicted it.

btw the point of the particular page is to get many of the talked about LRFs together in one place so that afterwards it's easy to look back and see what people were predicting at the time, rather than relying on what they claim they predict. And if James Madden or PWS or PC got it very close, I would applaud them for making a good guess :lol:

For winter 2010/11 see here (and yes, as it goes, I was wrong)
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#43 Guest_Chris Lloyd_*

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Posted 01 December 2011 - 19:06

I think there is a grey area between a forecast that makes a specific prediction and a forecast that purports to be a forecast due to its ambiguity. I would like to see a forecast that includes the grey area - a compromise of both extremes.

If you go out on a limb (bit like investing in a high risk stock market company) the rewards are great if you get it right.

Conversely, if you stick to a rather safe forecast that covers a multitude of possibilities then there is no essence Essan (Scuse the pun).

Our weather is unpredictable and clearly there are no indicators that can be relied upon for a reliable forecast.

Personally I think we should all give up and concentrate on the models a week or so ahead. :)

#44 User is offline   Andy Mayhew 

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Posted 01 December 2011 - 19:23

View PostChris Lloyd, on 01 December 2011 - 19:06, said:

Our weather is unpredictable and clearly there are no indicators that can be relied upon for a reliable forecast.

Personally I think we should all give up and concentrate on the models a week or so ahead. :)


I think you're right [y]

But as we know, some media outlets love publishing stories about LRFs - and indeed, moreso, a lot of, especially (younger) cold weather fans, crave LRFs (preferably predicting cold and snow) as well - so whilst the demand exists, someone will aways cater for it.
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#45 Guest_Chris Lloyd_*

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Posted 01 December 2011 - 19:31

I crave those forecasts Andy. I get excited when I see a hint of a cold pool of air coming down. But even at 7 or 10 days I realise the limits of model forecasts.

#46 User is offline   Frosty_Hoar 

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Posted 01 December 2011 - 19:38

This is an excerpt from the Met Office's 6-15 day outlook updated: 1148 on Thu 1 Dec 2011

Quote

Snow is likely at times over the hills of northern UK, with some significant snow likely for Scottish mountains with accumulations at lower levels possible here too.


Are we all meant to know where 'here' is? Quiet a poorly written statement for the first sign of cold weather for the season...

This post has been edited by Frosty_Hoar: 01 December 2011 - 19:38

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#47 User is offline   Andy Mayhew 

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Posted 01 December 2011 - 19:43

I would interpret that as meaning in the Scottish Highlands - it's much as I've said in my mountain forecast today. Probably not coasts, but inland across Sutherland, Lochaber, the Central Highlands and Cairngorms.
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#48 User is offline   summer '85 

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Posted 03 December 2011 - 06:37

A long way to go for this month but it is peculiar how December "seems" to be resisting yet again the warming trend as past Decembers have over recent years. The last 3 months have been dominated by mild weather and we enter December and what happens? We enter a spell of potentially cold zonality, not mild zonailty but cold zonality
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#49 User is online   Bazmundo 

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Posted 05 December 2011 - 00:51

First gritter sighting round here this evening, just after 9pm. Not sure it'll drop below for too long, but good to see they're keen I suppose.
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#50 User is offline   HSEA2 

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Posted 05 December 2011 - 02:19

View Postsummer, on 03 December 2011 - 06:37, said:

A long way to go for this month but it is peculiar how December "seems" to be resisting yet again the warming trend as past Decembers have over recent years. The last 3 months have been dominated by mild weather and we enter December and what happens? We enter a spell of potentially cold zonality, not mild zonailty but cold zonality



I dont think there is much in the way of a greenland or Scandinavian high this year, so pretty sure itll return to oct/nov norm of being 2c or so above average soon enough.
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#51 User is offline   Summertumn1 

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Posted 05 December 2011 - 18:49

I cannot remember any December that I would describe as being truly mild in the same way some Januaries and Februaries have been - the cloest we have come in the last 2 decades have been 1994 and 2006, and even those two have been beaten by many Jans and Febs over the same period. I was kind of thinking maybe this Dec would finally give us a mild one but it doesn't look like it's going to, I expect it will end up about average which would still make it the warmest for 5 years.


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#52 User is offline   Dave W 

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Posted 05 December 2011 - 18:53

View PostHSEA2, on 05 December 2011 - 02:19, said:

I dont think there is much in the way of a greenland or Scandinavian high this year, so pretty sure itll return to oct/nov norm of being 2c or so above average soon enough.



Im not sure it will.. I think itll be pretty close to average tbh.. I went for +0.4C on the CET on my monthly forecast on Nov 30th
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#53 User is offline   Andy Mayhew 

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Posted 05 December 2011 - 19:22

Still awaiting my first air frost and atm GFS suggests I could have a long wait :o

Previously latest date was 1st Dec 2009.
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#54 User is offline   Duncan Railton 

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Posted 05 December 2011 - 22:10

Well this is "normal" winter weather and it looks like its going to be a chilly week. Still can't see a cold block developing this year, the jet stream seems more active. Periodic northerlies I would imagine (and probably be wrong)
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#55 User is offline   Strider 

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Posted 05 December 2011 - 23:48

The teleconnections all suggest we are in for an extended period of zonality. We may get occasional blasts of PM air like recently but frankly there is likely to be little of interest for a while beyond the end of this week
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#56 User is offline   Dave K 

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Posted 09 December 2011 - 11:24

So that "rare giant 800,000km filament across the sun" certainly put the kibosh on things didn't it, guess we can blame these storms on that, wonder how long its effect is supposed to last. ;)

Glorious winter sunshine today :)
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#57 User is offline   Dave K 

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Posted 13 December 2011 - 14:44

As from tomorrow the 14th, sunset starts to get later each day again - OK so only by about 3 seconds tomorrow (depending on location) but it's a start. Downside is that sunrise carries on getting later until the 1st Jan...
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#58 User is offline   Strider 

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Posted 13 December 2011 - 14:53

View PostBig Dave, on 13 December 2011 - 14:44, said:

As from tomorrow the 14th, sunset starts to get later each day again - OK so only by about 3 seconds tomorrow (depending on location) but it's a start. Downside is that sunrise carries on getting later until the 1st Jan...

What's that effect called again where the latest sunrise and sunset don't correlate?
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#59 User is offline   Dave K 

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Posted 13 December 2011 - 15:13

View PostStrider, on 13 December 2011 - 14:53, said:

What's that effect called again where the latest sunrise and sunset don't correlate?


Can't remember, but it is due to the obliquity, tilt of the ecliptic and the equation of time: http://curious.astro....php?number=208

Analemma? Is that the right word?

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#60 User is offline   Ian Williams 

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Posted 14 December 2011 - 16:32

With a max of just 6.5C today it felt like winter for the first time. This is my coldest maximum since 1st March
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