ARTzeman
19 May 2020 11:34:16

Met Office Hadley            10.7c.         Anomaly      -0.0c. Provisional to18th.


Metcheck                         10.65c        Anomaly      -0.75c


Netweather                      11.18c        Anomaly      -0.13c


Peasedown                  11.48c        Anomaly       -0.28c. 






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Stormchaser
19 May 2020 20:28:17

GFS 12z gives me a final CET estimate of about 12°C - but I expect it's underestimating the day temps for Mon-Wed next week quite a bit.


Unclear if there will be a breakdown Thu or Fri followed by a fresher finish to the month. GFS has been keen on that for a couple of days now but other models are either taking longer over it or showing no interest at all.



Impressive if the month can finish even slightly above average, considering the extreme nature of the Arctic blast and subsequent widespread cold nights we saw 11th-14th.


Here, like with the CET region, the max is running well above the min in terms of anomaly, at +0.8°C and -2.2°C respectively, to 19th.


Yes, you read that right - over 2°C below the long-term average!


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ARTzeman
20 May 2020 10:47:51

Met Office Hadley           11.0c         Anomaly        0.2c. Provisional to 19th.


Metcheck                        10.99c       Anomaly        -0.42c


Netweather                     11.47c       Anomaly        0.18c


Peasedown St John       11.58c       Anomaly        -0.18c.  






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Others just get wet.
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GezM
  • GezM
  • Advanced Member
20 May 2020 15:21:42

Originally Posted by: Stormchaser 


GFS 12z gives me a final CET estimate of about 12°C - but I expect it's underestimating the day temps for Mon-Wed next week quite a bit.


 



 


Does anybody know why GFS is so awful at estimating temperatures during warm to hot weather? Even today's 00Z chart shows a max of 24C in the London area for today, so it can't even get it right for the same day! You would think that there would be some simple logic change to adjust temperatures upwards during certain weather conditions   


Living in St Albans, Herts (116m asl)
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ARTzeman
21 May 2020 10:17:34

Met Office Hadley            11.3c.         Anomaly         0.5c. Provisional to 20th.


Metcheck                         11.36c        Anomaly         -0.05c


Netweather                      11.83c        Anomaly         0.54c


Peasedown St John       11.6c          Anomaly         -0.08c. 






Some people walk in the rain.
Others just get wet.
I Just Blow my horn or trumpet
Saint Snow
21 May 2020 10:20:01

Originally Posted by: ARTzeman 


Met Office Hadley            11.3c.         Anomaly         0.5c. Provisional to 20th.


Metcheck                         11.36c        Anomaly         -0.05c


Netweather                      11.83c        Anomaly         0.54c


Peasedown St John       11.6c          Anomaly         -0.08c. 



 


Can only see it going upwards to the end of the month now. Question is, how high will it get? And will there be much of a downwards revision?



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
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redmoons
21 May 2020 10:58:31

Originally Posted by: Saint Snow 


 


 


Can only see it going upwards to the end of the month now. Question is, how high will it get? And will there be much of a downwards revision?



Yes only way is up and I am hoping for more than 13c 


Andrew,
Watford
ASL 35m
http://weather.andrewlalchan.co.uk 





Bertwhistle
21 May 2020 14:43:56

Originally Posted by: redmoons 


 


Yes only way is up and I am hoping for more than 13c 



To up by 2 degrees in 10 days (a third of the month) would require a 6 degree increase for the last ten.


Hmmm....


Bertie, Itchen Valley.
'We'll never see 40 celsius in this country'.
Saint Snow
21 May 2020 15:28:17

Originally Posted by: redmoons 


 


Yes only way is up and I am hoping for more than 13c 



 


<<< checks table of monthly entries >>>


 


 - yes, you really are. I'd be more than happy with 13c (but I think the best I can hope for with the forecasts as they are is low-12's)



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."
Aneurin Bevan
Whether Idle
21 May 2020 15:36:33

Originally Posted by: Saint Snow 


 


 


Can only see it going upwards to the end of the month now. Question is, how high will it get? And will there be much of a downwards revision?



Hi Saint


 


Probably up to around 12.8 and then revised down by a whopping 0.5 at least, so Id haggle around at a 12.3 finish, but it could pan out + or - 0.5c either way I suppose.


Dover, 5m asl. Half a mile from the south coast.
Saint Snow
21 May 2020 16:22:40

Originally Posted by: Whether Idle 


 


Hi Saint


 


Probably up to around 12.8 and then revised down by a whopping 0.5 at least, so Id haggle around at a 12.3 finish, but it could pan out + or - 0.5c either way I suppose.



 


Thanks, WI. The higher the better for me <<< checks table again >>> oh, and I see for you, too


 



Martin
Home: St Helens (26m asl) Work: Manchester (75m asl)
A TWO addict since 14/12/01
"How can wealth persuade poverty to use its political freedom to keep wealth in power? Here lies the whole art of Conservative politics."
Aneurin Bevan
Whether Idle
21 May 2020 16:40:57

Originally Posted by: Saint Snow 


 


 


Thanks, WI. The higher the better for me <<< checks table again >>> oh, and I see for you, too


 




Dover, 5m asl. Half a mile from the south coast.
Caz
  • Caz
  • Advanced Member Topic Starter
21 May 2020 18:02:00

13c is exactly what I need!  Does anyone know if yesterday was a date record?


Market Warsop, North Nottinghamshire.
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lanky
21 May 2020 18:42:09

Originally Posted by: Caz 


13c is exactly what I need!  Does anyone know if yesterday was a date record?



Santon Downham was 28.2C yesterday for the UK max


Barbourne Worcs was 29.5C on 20 May 1992


so def no cigar !


https://digital.nmla.metoffice.gov.uk/IO_d03f9194-2559-4de3-a582-a60644a76168/


Martin
Richmond, Surrey
Caz
  • Caz
  • Advanced Member Topic Starter
21 May 2020 19:33:43

Originally Posted by: lanky 


 


Santon Downham was 28.2C yesterday for the UK max


Barbourne Worcs was 29.5C on 20 May 1992


so def no cigar !


https://digital.nmla.metoffice.gov.uk/IO_d03f9194-2559-4de3-a582-a60644a76168/


  Thanks Lanky!  I thought somewhere might have done it as it was almost that in my back garden.  Never mind!


Market Warsop, North Nottinghamshire.
Join the fun and banter of the monthly CET competition.
SJV
  • SJV
  • Advanced Member
21 May 2020 19:39:14

Originally Posted by: redmoons 


 


Yes only way is up and I am hoping for more than 13c 



13C would be great! It'll likely fall a bit short of that but a high 12 figure wouldn't be too unexpected now.


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ARTzeman
22 May 2020 09:51:44

Met Office Hadley           11.5c.       Anomaly        0.7c. Provisional to 21st.


Metcheck                        11.68c      Anomaly       0.27c


Netweather                     12.12c      Anomaly       0.83c


Peasedown St John      12.18c       Anomaly       0.42c.    






Some people walk in the rain.
Others just get wet.
I Just Blow my horn or trumpet
GezM
  • GezM
  • Advanced Member
22 May 2020 10:40:55
Only a 0.2C jump in the last 24 hours? That's a surprise. Max temps for the 3 locations yesterday were 17, 24 and 25C. Perhaps some adjustment has been factored in for error correction?
Living in St Albans, Herts (116m asl)
Working at Luton Airport, Beds (160m asl)
Caz
  • Caz
  • Advanced Member Topic Starter
22 May 2020 16:08:10

Originally Posted by: GezM 

Only a 0.2C jump in the last 24 hours? That's a surprise. Max temps for the 3 locations yesterday were 17, 24 and 25C. Perhaps some adjustment has been factored in for error correction?

Yes, I am very surprised at that!  Night time temps have been in double figures too, so I was expecting a bigger rise!  I suppose it’s because we’re in the last third of the month when greater variations have less impact!  


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Spring Sun Winter Dread
22 May 2020 16:58:43

The later it is in the month, the less impact an exceptionally hot or cold day will have on the running CET

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