mulattokid
23 May 2023 11:11:46
Thanks.  Will try and amend that.
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Jiries
23 May 2023 12:27:38
Originally Posted by: Ally Pally Snowman 

GFS 6z is stupidly cold. Frosty Bank holiday. Max of 11c for many. So different to ECM. Something has to give soon.
 



Frosty mean sunny warm days ahead so 11C not possible with high sun position.   Apps still going for low 20's but still very poor for May normally max warmest at 27-28c.
Ally Pally Snowman
23 May 2023 12:38:15
Originally Posted by: Jiries 

Frosty mean sunny warm days ahead so 11C not possible with high sun position.   Apps still going for low 20's but still very poor for May normally max warmest at 27-28c.



ECM and GFS couldnt be further apart for the Bank holiday. ECM has 10c 850s GFS has -5c.
Madness 
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Jiries
23 May 2023 12:58:00
Originally Posted by: Ally Pally Snowman 

ECM and GFS couldnt be further apart for the Bank holiday. ECM has 10c 850s GFS has -5c.
Madness 



ECM likely to be correct because many times GFS over does the temperatures and charts that never came off.  Need to see this back down otherwise if not then is a serious worry that might give June a cold start and poor summer commence.  Horrible SSW had not left us yet only gone when temperatures had finally hit 25C and become regularly.  We seeing 20-21cmost available warmth lately from the sun home grown warmth while under the SSW reign.
Hungry Tiger
23 May 2023 13:35:26
Things don't seem to be shaping up very well atm. I'm saying no more. 😟
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UncleAlbert
23 May 2023 14:37:10
Things look quite rosy for us down here in the West country for the forseeable, especially if we can avoid that cold plunge performing a nasty trick early next week.  UK location certainly does make a massive different to perspective in this set up.  Nice 22C here yesterday, wonderful.  it does not have to be scorching the skin of of the flesh and I am very happy that we have not got those grim days of chill, wet and bluster that can so often taint the beauty at this time of year.
​​
Saint Snow
23 May 2023 14:49:41
Originally Posted by: Ally Pally Snowman 

ECM and GFS couldnt be further apart for the Bank holiday. ECM has 10c 850s GFS has -5c.
Madness 



The GFS 6z is quite different (in terms of conditions 'on the ground') from its own 0z.

Looking at Monday afternoon, the 0z showed 2m temps away from the east & much of the SE to be 15-18c (11-13 in the E & much of the SE). All areas dry.

The 6z knocks these down by a degree or two in the E/SE and 2-4c in other areas (although the Central Belt still achieves 16-17c) and wet in the SE.

ECM of course keeps the high over us and a lovely long weekend. Met Office have a solution between the two (dry and more influenced by the High than GFS 6z, but still allowing cold air over the UK)

All to do with how far east the influence of the High is. A lot of that is dictated by the development and track of a low that spawns off Greenland over the next day or so.

GFS 6z - has it moving to sit over the Norwegian coast where it gradually fills whilst expanding southwards slightly, but not before displacing the high westwards and driving a northerly cold shot over the UK

ECM 0z - tracks that initial low well to the north (over Svalbard). A secondary low develops, but ECM also keep this to the north before it settles over the north of Scandinavia and doesn't impact the UK.

Met Office 0z - Very similar evolution to ECM in having the initial low track north over Svalbard then developing a 2nd low. This time, though, it tracks it further south to settle over mid-Scandinavia. This advects a real cold flow westwards under the high (which centres a little further north)

GEM is the pick of the bunch for the whole weekend, mind. Temps widely 22-24c Sunday, 24-26c Monday.





 

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warrenb
23 May 2023 15:44:36
Meto video on Youtube stating a 20% chance of colder air over the weekend.
Ally Pally Snowman
23 May 2023 16:44:51
12s seem to be a step in the right direction.  Especially the UKMO which is much better/warmer. 
 
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Nick Gilly
23 May 2023 18:40:16
BBC Weather For The Week Ahead still sticking with a fine & warm Bank Holiday weekend, and suggested the high would continue into next week too.
cultman1
23 May 2023 19:12:00
Possibly for the West Country an areas clised to the HP  but the MO app still showing cool windy North Easterly winds at least for the South East especially for bank holiday Monday 
tierradelfuego
23 May 2023 19:42:52
Originally Posted by: cultman1 

Possibly for the West Country an areas clised to the HP  but the MO app still showing cool windy North Easterly winds at least for the South East especially for bank holiday Monday 



BBC still showing a very nice outlook for us in Central Southern England all the way out through to the end of next week, 21c on Monday. MO has a much lower temp of 16c for Monday so obviously all to play for and probably fine margins, as always.
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Ally Pally Snowman
24 May 2023 06:57:27
Not bad output this morning.  But we still cant hit 25c. Constant easterlies capping the temps especially in  the East. Low 20s at best for the next week or so.
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24 May 2023 07:01:45
WX charts (based AFAIK on GFS Op) have had no consistency recently! Anyway after a cool outlook yesterday, warmth is back in week 2. First, wait for something a little cooler than norm to clear from the area from France up to Norway including Britain in week 1, before seeing much warmer conditions spread across the near continent as far as Poland. England and Ireland get the benefit on the edge of this, Scotland less so. For cooler weather go to Finland and Russia which were shown as becoming warm yesterday! Dry in week 1 from Scotland to Baltic, patchy rain across S Europe from Spain to Ukraine, the rain intensifying in this area (a miserable late Spring there) while becoming very dry for Britain (exc Cornwall) and Scandinavia.

GFS Op - HP moving up from the SW and covering all of Britain 1030mb Sat 27th drifting N to form a large area of HP between Iceland and Scotland and staying there until Wed 7th; some E/NE-lies for S England, particularly strong on Wed 31st with LP in Biscay. After the 7th the HP breaks down and moves W-wards leaving Britain in slack though still fairly high pressure. Yesterday's projection of LP moving S through Scandinavia has disappeared.

ECM - similar to GFS but with the HP closer to or over Scotland. The last frame suggests an earlier breakdown of HP with the centre drifting towards Greenland on Sat 3rd.

GEFS - temps near or a little above norm at first, but a sharp dip Tue/Wed 30th/31st after which 2-3C above norm well into June, cooling a little at the end. Some chances of a little rain about Thu 1st and from Mon 5th onwards. (more generally from Thu 1st  in SW, minimal in NE)
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warrenb
24 May 2023 09:46:39
Looks alright to me, anywhere 30-40 miles inland from the east coast will see 22-23c during the day and sunshine, what is not to like.
Ally Pally Snowman
24 May 2023 10:55:22
Originally Posted by: warrenb 

Looks alright to me, anywhere 30-40 miles inland from the east coast will see 22-23c during the day and sunshine, what is not to like.



Most of the output now is 21c at best high teens for most though. Over the Bank holiday weekend.  

GFS now is consistently warming it up from about the 2nd June.  The next chase for the illusive warmth. 
 
Bishop's Stortford 85m ASL.
warrenb
24 May 2023 11:20:36
It is half term week next week, as I said I think 22-23c away from the east coast.
doctormog
24 May 2023 11:36:57
Originally Posted by: warrenb 

Looks alright to me, anywhere 30-40 miles inland from the east coast will see 22-23c during the day and sunshine, what is not to like.



Being within 30-40 miles of the east coast?
Chunky Pea
24 May 2023 12:00:12
Originally Posted by: doctormog 

Being within 30-40 miles of the east coast?


Great wailing and gnashing of teeth.
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Retron
24 May 2023 12:10:39
Originally Posted by: doctormog 

Being within 30-40 miles of the east coast?


0.5 miles away from the east coast here - and it's just hit 20C with strong sunshine beating down.

I'll believe the 13C max forecast for Monday (by the GFS) when I see it!
Leysdown, north Kent
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