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Bertwhistle
24 May 2020 12:56:35

8s just about making it to N. Wales tomorrow.


https://www.metoffice.gov.uk/public/weather/forecast/map/gcp1by0nd#?map=MaxUVIndex&fcTime=1590364800&zoom=8&lon=-2.34&lat=52.58


with 7 as far as Scotland's Clyde Valley (Dumbarton and beyond) and even a 6 for Lerwick.


Bertie, Itchen Valley.
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picturesareme
24 May 2020 13:35:21

The met office round their UV's up remember. So anything over 7 will be forecasted as 8, for example 7.2 would be forecasted as an 8.


 


https://www.metoffice.gov.uk/weather/learn-about/weather/types-of-weather/temperature/uv-levels


 

Stormchaser
24 May 2020 14:55:01
Sun feels absolutely roasting here this afternoon - even now at nearly 4 pm.

Enough to feel painful within 5 mins when sitting in sheltered spots of the garden (despite sun lotion).

Didn’t expect that today. Skies are a very deep shade of blue... yet again, this spring!
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picturesareme
24 May 2020 15:07:05

Sun feels absolutely roasting here this afternoon - even now at nearly 4 pm.

Enough to feel painful within 5 mins when sitting in sheltered spots of the garden (despite sun lotion).

Didn’t expect that today. Skies are a very deep shade of blue... yet again, this spring!

Originally Posted by: Stormchaser 


I wonder if the deep shades of blue have anything to do with tbe reduced amount of planes in the sky.

Bertwhistle
24 May 2020 16:41:57


The met office round their UV's up remember. So anything over 7 will be forecasted as 8, for example 7.2 would be forecasted as an 8.


 


https://www.metoffice.gov.uk/weather/learn-about/weather/types-of-weather/temperature/uv-levels


 


Originally Posted by: picturesareme 


Yes but on the same page it admits the forecast can still be lower than the actual levels, as O3 is unpredictable at certain times of year.


It quotes March/ April but there seems to be evidence of unusually low O3 overhead at different times of the year too.


Bertie, Itchen Valley.
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picturesareme
24 May 2020 17:02:37


 


Yes but on the same page it admits the forecast can still be lower than the actual levels, as O3 is unpredictable at certain times of year.


It quotes March/ April but there seems to be evidence of unusually low O3 overhead at different times of the year too.


Originally Posted by: Bertwhistle 


I think you have missed the point. The point was just because they are forecasting on the automated forecasts an 8 it doesn't mean that is what is expected as they automatically rounded it up.


The 8's on the forecast maps or in reality the 7's that have been at times widespread over past weeks will be due to lower then normal ozone above.

Bertwhistle
25 May 2020 11:35:48

Friday forecast:


8s for the most of S England & S Wales ; 7s up into the Highlands, even N of Aberdeen.


6 for the N of Shetland. As good as it gets (apart from the rare 9s in S Devon Retron sometimes spots!)


https://www.metoffice.gov.uk/public/weather/forecast/map/gcp1by0nd#?map=MaxUVIndex&fcTime=1590710400&zoom=9&lon=-1.23&lat=60.59


Bertie, Itchen Valley.
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Bertwhistle
26 May 2020 14:30:05

Chilton 7.5


Reading 7.8


Camborne 7.9


Bertie, Itchen Valley.
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Bertwhistle
28 May 2020 15:15:49

Reading 8.0


Camborne 8.1


Chilton below 8


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Bertwhistle
29 May 2020 10:01:10

8s forecast today as far as the far N of Wales and N Lincolnshire; and tomorrow- as far as Dentdale in N Yorkshire!


https://www.metoffice.gov.uk/public/weather/forecast/map/gcp1by0nd#?map=MaxUVIndex&fcTime=1590796800&zoom=9&lon=-1.86&lat=54.20


Don't think I've seen it forecast as far N as that. Linked to the clear air of the Dales?


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Bertwhistle
29 May 2020 15:23:30

Camborne & Reading both 8.0


Chilton 7.7


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Bertwhistle
31 May 2020 09:19:43

7s forecast as far N as Wick and even Thurso.


Surely reduced pollution under lockdown has impacted on this? It's quite late now for the spring 03 thinning, but regardless, I haven't seen 7 forecast for the far N coast of Scotland before.


https://www.metoffice.gov.uk/public/weather/forecast/map/gcp1by0nd#?map=MaxUVIndex&fcTime=1590883200&zoom=9&lon=-3.47&lat=58.39


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Bertwhistle
02 June 2020 17:43:25

Last two days Reading: 7.6, 7.8


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Bertwhistle
02 June 2020 17:45:20

Reading: 17 days so far this year with a UV of 7 or more. 


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Bertwhistle
13 June 2020 12:57:21

After a darker spell, Reading has managed 7.2 today and Chilton 7.5


That's 20 days of 7+ with an 8 on 5th.


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Bertwhistle
14 June 2020 16:29:44

Seems I was premature about Chilton yesterday- 7.8; unless this is yet another data service subject to adjustments. Best if data is not published provisionally- not much point in it.


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Bertwhistle
20 June 2020 09:05:19

8 forecast right up to N Yorks and beyond, to Barnard castle in Teesdale (County Durham) on Wednesday!


https://www.metoffice.gov.uk/public/weather/forecast/map/gcp1by0nd#?map=MaxUVIndex&fcTime=1592956800&zoom=9&lon=-2.19&lat=54.70


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Retron
20 June 2020 16:35:56
FWIW, the first 9s have appeared on the UV map - but only over the Channel Isles!
Leysdown, north Kent
Bertwhistle
20 June 2020 16:38:06

FWIW, the first 9s have appeared on the UV map - but only over the Channel Isles!

Originally Posted by: Retron 


Thanks Darren- it's always you that spots them first!


Add - 3 days' worth forecast for Jersey; still impressed.


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Retron
21 June 2020 04:55:19


 


Thanks Darren- it's always you that spots them first!


Add - 3 days' worth forecast for Jersey; still impressed.


Originally Posted by: Bertwhistle 


They've made it to England now - screenshot attached, as it'll probably come and go as the forecasts update through the day!


(Click for full size)



Leysdown, north Kent
Bertwhistle
21 June 2020 12:21:58


 


They've made it to England now - screenshot attached, as it'll probably come and go as the forecasts update through the day!


(Click for full size)



Originally Posted by: Retron 


Yep; interesting this time that most of Cornwall is included by Wednesday:


https://www.metoffice.gov.uk/public/weather/forecast/map/gbvmf1rg9#?map=MaxUVIndex&fcTime=1592956800&zoom=9&lon=-4.60&lat=50.27


And it extends into Dorset (as far N as Gillingham) and Somerset (Wincanton)as well. Amazing.


8s as far as Durham including almost all of England and the whole of Wales; and 6 in Sella Ness in N Shetland.


The 9s are gone by Thursday. I wonder if the Channel Isles will ever suggest a 10.


Edit- unlikely as even the resorts of SW France like Biarritz are only up for a 9!


 


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Bertwhistle
22 June 2020 15:32:06

Reading 8.3


Chilton 8.7


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Retron
22 June 2020 16:35:09

FWIW, the latest model run has 8s into Scotland... not sure if I've ever seen them that far north before.


Could be quite a shock in store for our northern contingent if that comes to pass!



Leysdown, north Kent
Bertwhistle
23 June 2020 14:22:36

Today's highlights: 8.6 in Leeds and 7.0 in Lerwick. Both could be records.


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Bertwhistle
24 June 2020 10:28:06

Incredible.


The whole of Cornwall, most of Devon and most of Dorset forecast 9 today!


 


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