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Heavy Weather 2013
26 July 2019 04:40:05


 


And the heat burst gave the highest temp of the day by more than 6 degrees! The 6am-6pm max was 26.1C.


 



 



Originally Posted by: Rob K 


What a fascinating event. Well done to Quantum for flagging this earlier in the thread.


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
26 July 2019 05:18:33


 


Donna Nook was not an error and is in fact absolutely fascinating...


https://twitter.com/metoffice/status/1154527667980402688?s=20


Originally Posted by: John p 


Indeed. Never seen that before. It seemed very unlikely the temperature would shoot up to 32C in one isolated location at 10pm. I won’t be quite so quick to dismiss apparently erroneous readings in future.

26 July 2019 05:21:41

No record minimum it would seem. Highest temperature at 0500 was 23.5C at Loftus Samos

Bertwhistle
26 July 2019 05:30:25


 


Indeed. Never seen that before. It seemed very unlikely the temperature would shoot up to 32C in one isolated location at 10pm. I won’t be quite so quick to dismiss apparently erroneous readings in future.


Originally Posted by: Global Warming 


I read about heat bursts alongside intense thorms in the States;there was a rise from 20s C to over 40C in one; in another (unofficially recorded) the temperature is said to have shot up to over 50C and it damaged a corn crop. 


Bertie, Itchen Valley.
Retire while you can still press the 'retire now' button.
Jiries
26 July 2019 05:38:18


 


Yes was just reading that tweet. Apparently it's a phenomenon known as a "heat burst".


https://en.wikipedia.org/wiki/Heat_burst


Originally Posted by: Bolty 


Saw that in Nicosia, Cyprus in 1989 when it was 28C max then drop to 20C in the evening before rising to 28C again in strong gusty winds.  Fell to 14C by morning.  I never experience that since then or in here yet.

Ally Pally Snowman
26 July 2019 06:14:36


 


Donna Nook was not an error and is in fact absolutely fascinating...


https://twitter.com/metoffice/status/1154527667980402688?s=20


Originally Posted by: John p 


 


This is a truly amazing weather phenomenon. 


Bishop's Stortford 85m ASL.
DEW
  • DEW
  • Advanced Member
26 July 2019 06:22:26

I'll leave this thread open for any posts looking back at Hot Thursday, or if any more records relating to the 25th come to light including overnight lows and heat bursts.


Please use the now unlocked High Temperature reports thread for anything relating to Friday 26th and onwards.


Perhaps we should archive the Historic Heat Watch in a few days' time?


War does not determine who is right, only who is left - Bertrand Russell

Chichester 12m asl
Brian Gaze
26 July 2019 06:25:31


I'll leave this thread open for any posts looking back at Hot Thursday, or if any more records relating to the 25th come to light. Please use the now unlocked High Temperature reports thread for anything relating to Friday 26th and onwards.


Perhaps we should archive the Historic Heat Watch in a few days' time?


Originally Posted by: DEW 


Sounds like a good idea. 


PS: There is still a possibility the all time record went yesterday because not all data has been analysed yet. We should hear from Brogdale this morning I am told.


Brian Gaze
Berkhamsted
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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
Col
  • Col
  • Advanced Member
26 July 2019 06:27:08


 


I read about heat bursts alongside intense thorms in the States;there was a rise from 20s C to over 40C in one; in another (unofficially recorded) the temperature is said to have shot up to over 50C and it damaged a corn crop. 


Originally Posted by: Bertwhistle 


I heard of one (Portugal I think) where the temp briefly reached 70C.


Col
Bolton, Lancashire
160m asl
Snow videos:
http://www.youtube.com/channel/UC3QvmL4UWBmHFMKWiwYm_gg
Rob K
26 July 2019 06:39:44

Looks like the highest minimum on the SYNOP network was 22.6C at Loftus Samos. There are other stations, of course.


 


Looking at all the max data from yesterday, although we seem to have just missed out on the all-time record (or tied it, if you discount Brogdale, which when analysed was considered to be unrepresentative by a about 2C!) there must be a good chance that it was the hottest day in England overall in history?


Not sure how you would work that out, but in terms of the widespread heat it was remarkable. Maybe the mean of all weather stations, or of course the more basic CET - was it the record daily CET, anyone?


Yateley, NE Hampshire, 73m asl
"But who wants to be foretold the weather? It is bad enough when it comes, without our having the misery of knowing about it beforehand." — Jerome K. Jerome
Ally Pally Snowman
26 July 2019 06:40:58

I wonder if the quoted Faversham 38.4c is an hourly reading and not the actual daily max. We can hope anyway.


 


Bishop's Stortford 85m ASL.
Brian Gaze
26 July 2019 06:45:42


I wonder if the quoted Faversham 38.4c is an hourly reading and not the actual daily max. We can hope anyway.


 


Originally Posted by: Ally Pally Snowman 


I was told the Faversham data hasn't been looked at yet. I've not been able to validate the 38.4C that is being casually bandied around. The Met Office don't appear to be mentioning it. 


Brian Gaze
Berkhamsted
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"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
Heavy Weather 2013
26 July 2019 06:48:23


I wonder if the quoted Faversham 38.4c is an hourly reading and not the actual daily max. We can hope anyway.


 


Originally Posted by: Ally Pally Snowman 


Do the hourly readings not count towards the daily max then ?


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
Ally Pally Snowman
26 July 2019 06:50:54


 


Do the hourly readings not count towards the daily max then ?


Originally Posted by: Heavy Weather 2013 


 


Yes if it is the actual max, I'm hoping the actual max is higher and over the record. It's very unlikely but we can hope.


 


Bishop's Stortford 85m ASL.
Heavy Weather 2013
26 July 2019 06:51:42


 


I was told the Faversham data hasn't been looked at yet. I've not been able to validate the 38.4C that is being casually bandied around. The Met Office don't appear to be mentioning it. 


Originally Posted by: Brian Gaze 


The MetOffice team last night should have clarified the Faversham result that was being quoted in mainstream media.


Its a bit of a shambles. Bedford breaking down and other stations being offline as reported by Rob K.


Perhaps the Met should invest some more money in reporting stations rather than constant revamps of their website, which I have to admit contains less info than ever. But that’s another discussion for another day.


On another note it was wonderful to share in the experience of the day with so many great people on here.


 


 


 


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
Brian Gaze
26 July 2019 07:01:01


The MetOffice team last night should have clarified the Faversham result that was being quoted in mainstream media


Originally Posted by: Heavy Weather 2013 


Agree. It's been passed off as fact by a number of people but I've seen nothing at all from the Met about it. In fact I'm still hearing that 38.1C is the expected max for yesterday. 


Brian Gaze
Berkhamsted
TWO Buzz - get the latest news and views 
"I'm not socialist, I know that. I don't believe in sharing my money." - Gary Numan
Caz
  • Caz
  • Advanced Member
26 July 2019 07:13:47


Looks like the highest minimum on the SYNOP network was 22.6C at Loftus Samos. There are other stations, of course.


Looking at all the max data from yesterday, although we seem to have just missed out on the all-time record (or tied it, if you discount Brogdale, which when analysed was considered to be unrepresentative by a about 2C!) there must be a good chance that it was the hottest day in England overall in history?


Not sure how you would work that out, but in terms of the widespread heat it was remarkable. Maybe the mean of all weather stations, or of course the more basic CET - was it the record daily CET, anyone?


Originally Posted by: Rob K 

I don’t think we’ll know that until after 9am.  I’m pretty sure the daily mean is calculated from 9am yesterday to 9am today - not sure if that’s GMT or BST.  I think GW will be the most informed on this. 


Market Warsop, North Nottinghamshire.
Join the fun and banter of the monthly CET competition.
Retron
26 July 2019 07:20:36


I don’t think we’ll know that until after 9am.  I’m pretty sure the daily mean is calculated from 9am yesterday to 9am today - not sure if that’s GMT or BST.  I think GW will be the most informed on this. 


Originally Posted by: Caz 


That'd be GMT - weather obs are always in GMT, to avoid a gap / duplicate obs when we move to and from BST.


I'm eagerly awaiting Brogdale's result, although I expect that 38.4C would be right (it'd be most odd for the Beeb to misreport something like that.)


Brogdale is only a few miles away from me and as it was cloudless most of the day I wouldn't be at all surprised to see it take the maximum temperature recorded yesterday.


 


Leysdown, north Kent
Caz
  • Caz
  • Advanced Member
26 July 2019 07:22:04


The MetOffice team last night should have clarified the Faversham result that was being quoted in mainstream media.


Its a bit of a shambles. Bedford breaking down and other stations being offline as reported by Rob K.


Perhaps the Met should invest some more money in reporting stations rather than constant revamps of their website, which I have to admit contains less info than ever. But that’s another discussion for another day.


On another note it was wonderful to share in the experience of the day with so many great people on here.


Originally Posted by: Heavy Weather 2013 

Doncaster was offline too at the height of temps, I was surprised my readings had jumped up and wanted to verify with Doncaster but couldn’t.  Poor show and just when it matters most!


Yes!  It really was fantastic to share the experience on here!  Thanks Brian and all TWO members! 


Market Warsop, North Nottinghamshire.
Join the fun and banter of the monthly CET competition.
Caz
  • Caz
  • Advanced Member
26 July 2019 07:25:49


 


That'd be GMT - weather obs are always in GMT, to avoid a gap / duplicate obs when we move to and from BST.


I'm eagerly awaiting Brogdale's result, although I expect that 38.4C would be right (it'd be most odd for the Beeb to misreport something like that.)


Brogdale is only a few miles away from me and as it was cloudless most of the day I wouldn't be at all surprised to see it take the maximum temperature recorded yesterday.


 


Originally Posted by: Retron 

 That’s good then because temp is still falling here!


EDIT:  Got that the wrong way round!  Doh!  Not so good if the temp is falling before 10:00 BST when the reading will be taken. 


Market Warsop, North Nottinghamshire.
Join the fun and banter of the monthly CET competition.
Heavy Weather 2013
26 July 2019 07:28:48


 


That'd be GMT - weather obs are always in GMT, to avoid a gap / duplicate obs when we move to and from BST.


I'm eagerly awaiting Brogdale's result, although I expect that 38.4C would be right (it'd be most odd for the Beeb to misreport something like that.)


Brogdale is only a few miles away from me and as it was cloudless most of the day I wouldn't be at all surprised to see it take the maximum temperature recorded yesterday.


 


Originally Posted by: Retron 


With the exception of Brogdale, are there any other sites your aware off that will also report this morning - particularly in the hot zones?


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
james
26 July 2019 07:29:40
The Met Office are obviously going to take their time to process any reading from Brogdale:
https://twitter.com/metoffice/status/1154652953640411142 
Heavy Weather 2013
26 July 2019 07:33:50

The Met Office are obviously going to take their time to process any reading from Brogdale:
Originally Posted by: james 

">https://twitter.com/metoffice/status/1154652953640411142


Bizzare, they don't even know if its one of their sites!


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
Retron
26 July 2019 07:44:19


 


With the exception of Brogdale, are there any other sites your aware off that will also report this morning - particularly in the hot zones?


Originally Posted by: Heavy Weather 2013 


Lots! It'll be any that are marked as manual on the Met Office station map:


https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-synoptic-and-climate-stations


(and Brogdale's on there, as "Faversham". I suspect the person from the Met Office who replied to that Tweet was unaware of that factoid 😛 )


 


 


Leysdown, north Kent
Heavy Weather 2013
26 July 2019 07:45:23


 


Lots! It'll be any that are marked as manual on the Met Office station map:


https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-synoptic-and-climate-stations


 


 


Originally Posted by: Retron 


Oh exciting so there is one near Cambridge that is Manual!!


Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.

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