The Weather Outlook

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Bertwhistle
29 May 2024 14:17:16
Reading 6.5 today; Chilton 7.1
Bertie, Itchen Valley.
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Bertwhistle
30 May 2024 10:32:39
MetO at time of writing forecasting 8 for Winchester on Sunday.
Bertie, Itchen Valley.
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Bertwhistle
21 June 2024 14:09:58
Reading having eleven 6s + so far this month with today's 6.7 currently the highest, so no 7s.
8s continue to be forecast from time to time in the south.
Chilton however managed 7.3 on Wednesday and 7.4 today.
Bertie, Itchen Valley.
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Bertwhistle
23 June 2024 16:58:17
7.5 in Reading today. About time.
Bertie, Itchen Valley.
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tierradelfuego
23 June 2024 17:22:09

7.5 in Reading today. About time.

Originally Posted by: Bertwhistle 



That's surprising, it's been full cloud all day here until 3pm, a few miles away.
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
Bertwhistle
24 June 2024 08:36:43

That's surprising, it's been full cloud all day here until 3pm, a few miles away.

Originally Posted by: tierradelfuego 



Hi tierra. Looks on the graph like it shot up to 7.5 in the morning then clouded over early lunchtime.
https://uk-air.defra.gov.uk/data/uv-index-graphs 
Bertie, Itchen Valley.
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Retron
24 June 2024 09:14:00

Hi tierra. Looks on the graph like it shot up to 7.5 in the morning then clouded over early lunchtime.
https://uk-air.defra.gov.uk/data/uv-index-graphs 

Originally Posted by: Bertwhistle 


There was a mini ozone hole over the UK yesterday, so no surprise UV was high. I suspect today the level of ozone will have rebounded.

https://exp-studies.tor.ec.gc.ca/e/ozone/Curr_allmap_g.htm 
Leysdown, north Kent
+1
tierradelfuego
29 June 2024 20:28:45
Presumably higher ozone today, but either way surprised to see Reading didn't even reach a 7 today, a stunning blue sky day. None of the other usual suspects hit 7 either.
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
Bertwhistle
19 July 2024 10:49:42

Presumably higher ozone today, but either way surprised to see Reading didn't even reach a 7 today, a stunning blue sky day. None of the other usual suspects hit 7 either.

Originally Posted by: tierradelfuego 


Looks like Reading just clipped a 7 on 4th and none since. Today might be different.
Bertie, Itchen Valley.
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Bertwhistle
13 October 2024 14:51:07
UV season 2024: summary
An unremarkable season really. Data at Reading:
Only 8 was 24th June
Last 7 4th July
6.7 recorded on 9th August
Last 6 13th August
Last 5 29th August
Last 4 18th September
Last 3 4th October (unless there are late season surprises, which I doubt, as MetO has been forecasting 3s through the first 3rd of October, almost all of which have failed to hit the mark). W can still get 2 just into November but the last 2 is usually the last 10 days of October.
Have a good off-season (I know Retron among others will be glad to see the back of it) until after the New Year.
Bertie, Itchen Valley.
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Retron
13 October 2024 15:06:40

UV season 2024: summary
An unremarkable season really. Data at Reading:
Only 8 was 24th June
Last 7 4th July
6.7 recorded on 9th August
Last 6 13th August
Last 5 29th August
Last 4 18th September
Last 3 4th October (unless there are late season surprises, which I doubt, as MetO has been forecasting 3s through the first 3rd of October, almost all of which have failed to hit the mark). W can still get 2 just into November but the last 2 is usually the last 10 days of October.
Have a good off-season (I know Retron among others will be glad to see the back of it) until after the New Year.

Originally Posted by: Bertwhistle 


You bet! We're now in the cozy and dark part of the year, and you'll really notice it in a couple of weeks. The sun still has a mild kick to it around 1PM (BST), but it's now a pleasant gentle warmth rather than searing heat. If only it could stay at that level all summer long...

FWIW, and IIRC, the Met Office values are rounded up, and not in the usual way - a 2.0 will present as a 2, but 2.1 up to 3.0 will show as a 3. That explains the forecast 3s but measured values staying below.
Leysdown, north Kent
Bertwhistle
13 October 2024 15:38:57
Yep, apologies; you did explain that before. In the interests of skin safety, it makes sense to round up rather than off.
Bertie, Itchen Valley.
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Retron
13 October 2024 15:51:46

Yep, apologies; you did explain that before. In the interests of skin safety, it makes sense to round up rather than off.

Originally Posted by: Bertwhistle 


👍I think that's why they do it, better safe than sorry. I just wish they'd bring the UV layer back to their maps - it went missing in their last revamp. It makes it much harder to spot the odd summer 9 these days!
Leysdown, north Kent
+1
Bertwhistle
11 November 2024 19:33:55
2.0 on 29th October which is about right for the last 2; since then, only today has registered >1.5 this calendar month, such has been the gloom of this winter anticyclone.
Bertie, Itchen Valley.
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+1
tierradelfuego
21 February 2025 18:44:30
Back to it... took a few pages to find the thread...

A day later than last year Bertie, Camborne hit the first 2 on the 17th Feb. Reading was actually pretty close as well.
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
Bertwhistle
03 March 2025 15:03:32

Back to it... took a few pages to find the thread...

A day later than last year Bertie, Camborne hit the first 2 on the 17th Feb. Reading was actually pretty close as well.

Originally Posted by: tierradelfuego 


Yes, just looking at that Tierra. Reading finally crossed the line on 27th then pipped it with a 2.4 on 28th. This sunny spell has brought 2.8, 2.7 and 2.8 for the first three days of March. There seems to be a delay in Camborne's most recent data but I bet we got a 3.
Bertie, Itchen Valley.
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Retron
03 March 2025 15:12:47

Yes, just looking at that Tierra. Reading finally crossed the line on 27th then pipped it with a 2.4 on 28th. This sunny spell has brought 2.8, 2.7 and 2.8 for the first three days of March. There seems to be a delay in Camborne's most recent data but I bet we got a 3.

Originally Posted by: Bertwhistle 


That would explain why I caught the sun yesterday - didn't burn, but was pinker than normal, enough for the lady who runs the wolf centre to comment! 330ft up on the Berkshire downs, it must have hit the magic 3.
Leysdown, north Kent
+2
tierradelfuego
03 March 2025 15:57:52
Yes it certainly felt nice up here so even if the wolves didn't quite, we might well have hit the 3. Reading isn't usually until mid-March so doing better than recent gloomy years.
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
+2
Bertwhistle
04 March 2025 12:14:18
Air feels slightly thicker today and although the sun is very bright, there's a slightly more hazy feel, which might explain the brick red sun just after sunrise.  Looks like Reading's trace is peaking lower today, so a 3 would be a surprise, but if you're on the Downs again Darren, it might be a different story.
Sun's angle changes by about 0.4° per day in March  according to this excellent website sent to me I think by Hungry Tiger some years back.
https://www.timeanddate.com/sun/ 
Bertie, Itchen Valley.
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+1
Bertwhistle
04 March 2025 13:23:52

Air feels slightly thicker today and although the sun is very bright, there's a slightly more hazy feel, which might explain the brick red sun just after sunrise.  Looks like Reading's trace is peaking lower today, so a 3 would be a surprise, but if you're on the Downs again Darren, it might be a different story.
Sun's angle changes by about 0.4° per day in March  according to this excellent website sent to me I think by Hungry Tiger some years back.
https://www.timeanddate.com/sun/ 

Originally Posted by: Bertwhistle 


Apologies Darren - just read your sad post on Daily Thread.
Good luck with pup!
Bertie, Itchen Valley.
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+1
tierradelfuego
06 March 2025 07:23:09
Didn't check yesterday but see Reading finally squeaked a 3 after many near misses this week.
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
+1
Bertwhistle
11 March 2025 18:18:05
Yep.
3,
2.9,
2.9,
3,
2.7, 
1.8, 
3.2
Not a bad run for early March.
Note the leap up in the clear, dry air today.
Bertie, Itchen Valley.
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tierradelfuego
11 March 2025 20:46:54

Yep.
3,
2.9,
2.9,
3,
2.7, 
1.8, 
3.2
Not a bad run for early March.
Note the leap up in the clear, dry air today.

Originally Posted by: Bertwhistle 


Out of interest, where are you seeing those figures Bertie, they don't match what I am seeing on the Reading graphs of the Defra gov site, so interested if there's somewhere else I should be looking. That shows today as approx 2.8 or 2.9
Bucklebury
West Berkshire Downs AONB
135m ASL

VP2 with daytime FARS
Rainfall collector separated at ground level
Anemometer separated above roof level
WeatherLink Live (Byles Green Weather)
Bertwhistle
14 March 2025 22:04:01

Out of interest, where are you seeing those figures Bertie, they don't match what I am seeing on the Reading graphs of the Defra gov site, so interested if there's somewhere else I should be looking. That shows today as approx 2.8 or 2.9

Originally Posted by: tierradelfuego 


You are spot on Tierra, I posted Chilton data in error; apologies, and not sure how I switched graphs!
Have had 3s since though.
Thanks for flagging this up; I do need to review my coffee brand I think.
Bertie, Itchen Valley.
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Bertwhistle
15 March 2025 14:22:06
Okay, hope I'm reading the right station this time.
I have for Reading 3.0 on 5/3 (TDF already highlighted that one), 6/3 and 13/3.
Yesterday 3.5/3.6 and today 15th 3.3
MetO predicting wide timeframe locally (Winchester) of 2s starting as early as 10am but no 3 yet (when I last looked) until Tuesday- so I think it's fair to say 3 is fairly implicit around noon.
Bertie, Itchen Valley.
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