theweatheroutlook

TimS
  • TimS
  • Advanced Member
10 August 2020 13:51:00

Originally Posted by: Quantum 


Heathrow proxy now at 35C



Sadly not Heathrow itself though. Still stubbornly at 33C on the last METAR

Brockley, South East London 30m asl
Rob K
10 August 2020 13:52:29
Seems to have plateaued just below 32 C here. Highest I have seen at Blackbushe is 31.9 although the station doesn't seem to give a daily max.
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
Heavy Weather 2013
10 August 2020 13:54:41

Kew Gardens may just have hit 34C as well

Mark
Beckton, E London
Less than 500m from the end of London City Airport runway.
Sevendust
10 August 2020 13:57:51

The next two days are potential date record targets. Today wasn't!

Quantum
10 August 2020 13:58:11

Originally Posted by: TimS 


 


Sadly not Heathrow itself though. Still stubbornly at 33C on the last METAR



The rise has all happened in the last hour. I'm sure it will show on the next obs.


 

Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
Rob K
10 August 2020 13:58:24

Originally Posted by: TimS 


 


Sadly not Heathrow itself though. Still stubbornly at 33C on the last METAR



34C on the 1350Z METAR at Heathrow and Northolt. And the hourly temp is sometimes more than a degree out from the xx50 METAR for some reason.


 


Edit: Northolt is 34.1 so we have at least made an official 34C for the fourth day in a row.

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
xioni2
10 August 2020 14:02:33

Heathrow 34.6c at 3pm.

xioni2
10 August 2020 14:05:35

Originally Posted by: xioni2 


Heathrow 34.6c at 3pm.



2C more to go in the next 2 hours?

Quantum
10 August 2020 14:05:50

Isn't that the 2pm reading not the 3pm reading?


I think the 3pm reading will be around 36C

Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
SJV
  • SJV
  • Advanced Member
10 August 2020 14:06:14

Originally Posted by: xioni2 


Heathrow 34.6c at 3pm.



Impressive. 35C definitely on then 

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Rob K
10 August 2020 14:08:15

Originally Posted by: Quantum 


Isn't that the 2pm reading not the 3pm reading?


I think the 3pm reading will be around 36C



No, it's already 3.05pm. 


2pm was 33.8C. The 1400Z (3pm) synops have three above 34C: Heathrow 34.6 and Northolt and St James's Park both 34.1.


 


Nudged up again here, 32.2C the new high at Blackbushe.


 

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
xioni2
10 August 2020 14:09:06

Originally Posted by: Quantum 


Isn't that the 2pm reading not the 3pm reading?


I think the 3pm reading will be around 36C



No, it's 3pm (1400 UTC).

Quantum
10 August 2020 14:10:22

Ah :(


Not much time left then for this to get past 36C

Twitter: @QuantumOverlord (general), @MedicaneWatch (medicane/TC stuff)
2023/2024 Snow days (approx 850hpa temp):
29/11 (-6), 30/11 (-6), 02/12 (-5), 03/12 (-5), 04/12 (-3), 16/01 (-3), 18/01 (-8), 08/02 (-5)

Total: 8 days with snow/sleet falling.

2022/2023 Snow days (approx 850hpa temp):

18/12 (-1), 06/03 (-6), 08/03 (-8), 09/03 (-6), 10/03 (-8), 11/03 (-5), 14/03 (-6)

Total: 7 days with snow/sleet falling.

2021/2022 Snow days (approx 850hpa temp):

26/11 (-5), 27/11 (-7), 28/11 (-6), 02/12 (-6), 06/01 (-5), 07/01 (-6), 06/02 (-5), 19/02 (-5), 24/02 (-7), 30/03 (-7), 31/03 (-8), 01/04 (-8)
Total: 12 days with snow/sleet falling.
NDunwell
10 August 2020 14:10:34

Originally Posted by: Quantum 


Isn't that the 2pm reading not the 3pm reading?


I think the 3pm reading will be around 36C



 


I don't think so. Its just over 34 here. I can't see it being 2c hotter 5-6 miles away. I think we'll do well to hit 36 today. 35+ very much on the cards though

Nick
Ruislip (2 miles from the Northolt recording station)
eddied
10 August 2020 14:10:47
No high cloud to the south of London. No impediment to rises over the next two hours
Location: Reigate, Surrey 105m ASL

Winter 22/23
Days snow falling: 4
Days snow on ground:8
Max snow depths: 6cm (December 19th ish)

Summer 2022 max 39C on July 19th
Summer 2021 max: 32C on July 18th
Summer 2020 max: 36C on July 31st
Rob K
10 August 2020 14:11:34

Marco Petagna getting the heat ramp out on Twitter for tomorrow:

"The thundery #weather needs top priority, but tomorrow's #temperatures will want watching...37C our headline high but with 850-1000 hpa thicknesses >143dm (wow!) 38C can't be ruled out SE England...if #cloud and/or #thunderstorms don't get in way"

https://twitter.com/Petagna/status/1292812994804617219


 


I wonder if there's a chance the Met might update to 38C, seeing as they like to overdo it 

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
superteacher
10 August 2020 14:14:56
In a humid airmass, late maxima are common, so 36 is still possible although I’d say it’s unlikely. But with our weather as it is these days, nothing can be ruled out!
xioni2
10 August 2020 14:15:46

Originally Posted by: Quantum 


Ah :(


Not much time left then for this to get past 36C



There is still time actually and it probably has already exceeded 35C at Heathrow. The temperature is sensitive to the wind direction (it drops when the wind becomes more NNE). It does need the wind to be mostly/consistently SSE in order to go much higher.

Rob K
10 August 2020 14:19:29
Latest Arome for tomorrow shows a very messy picture. 36C for Heathrow (impressive how they factor in the heat island there!) but lots of showers scattered around too.

https://www.meteociel.fr/modeles/aromezoom.php?mode=41&x=4822.14&y=2448.51&ech=32&zoom=4 

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
Chunky Pea
10 August 2020 14:25:16

Originally Posted by: superteacher 

In a humid airmass, late maxima are common, so 36 is still possible although I’d say it’s unlikely. But with our weather as it is these days, nothing can be ruled out!


 


Would be interesting to see what the long term 'average time' for daily maxima to be reached at this time of year  for London. At a rough guess I'd say about 4 o clockish? 


 


Edit, what a badly composed sentence. 

Current Conditions
https://t.ly/MEYqg 

"You don't have to know anything to have an opinion"
--Roger P, 12/Oct/2022
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