Stolen Snowman
20 October 2017 12:11:03

Originally Posted by: doctormog 


 


Thor, Gail and Jack respectively. Job done. 



Nah. The first one is already taken. It's named after a period of milder conditions that immediately follow a run of sub zero temperatures 


Statistics prove that the period just after records began witnessed some of the most extreme weather ever recorded. Records were being broken on a frequency that has not been repeated since.
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White Meadows
20 October 2017 12:46:52

Originally Posted by: Global Warming 


 


If you go back to the start of the thread and read the initial post you will see that Met Eireann named the storm not the Met Office. The convention is that a storm is named only when at least an amber (orange in the case of Ireland) warning is issued.


The Met Office made it very clear in a press release yesterday that they currently have no intention of issuing an amber warning. So from a purely UK perspective this storm would not have been named. It is only because the system works in collaboration with Ireland that we have storm Brian. The winds across Southern Ireland are expected to be much stronger than in the U.K.



I think the met Office and BBC media Department are 2 very different things. Funny how they seem to be regularly confused as one body these days.

Rob K
20 October 2017 12:46:57

Originally Posted by: Stolen Snowman 


 a run of sub zero temperatures 



What's that?


Yateley, NE Hampshire, 73m asl
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Bolty
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20 October 2017 13:06:31

Nothing too drastic at the moment, but the Environment Agency have issued 9 flood alerts for parts of the South Coast and up the Bristol Channel. Storm Brian is expected to coincide with the high spring tide, so this could cause a bit of a tidal surge for these areas:


https://flood-warning-information.service.gov.uk/warnings


Scott
Blackrod, Lancashire (4 miles south of Chorley) at 156m asl.
My weather station 
idj20
20 October 2017 14:19:38

A nice spiral to this deep low pressure system at 3 pm 20/10/17 while still off to the west of the UK.


To my untrained eyes, there's little evidence of a sting jet and looks like the cyclogenesis process has been completed and entering a state of occlusion and should very slowly fill in the next 24 hours before finally meeting its fate over the North Sea on Sunday.

Talking about Brian. Mr Gaze really need to fix this method of showing images in threads. I've resized this one at 480 px wide and it still comes out looking squashed.


Folkestone Harbour. 
White Meadows
20 October 2017 22:27:51

Originally Posted by: Bolty 


Nothing too drastic at the moment, but the Environment Agency have issued 9 flood alerts for parts of the South Coast and up the Bristol Channel. Storm Brian is expected to coincide with the high spring tide, so this could cause a bit of a tidal surge for these areas:


https://flood-warning-information.service.gov.uk/warnings



looks quite nasty now actually with potential for major flooding along coastal areas, combined with a very high tidal movement. 


Expect sudden and dramatic warnings in tomorrow’s news bulletins for coatal regions west of Bournemouth.

KevBrads1
21 October 2017 06:14:15
Night timelapse of Brian's approach to Irlam


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DEW
  • DEW
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21 October 2017 07:03:16

Originally Posted by: Bolty 


Nothing too drastic at the moment, but the Environment Agency have issued 9 flood alerts for parts of the South Coast and up the Bristol Channel. Storm Brian is expected to coincide with the high spring tide, so this could cause a bit of a tidal surge for these areas:


https://flood-warning-information.service.gov.uk/warnings



The 200 mm surge (8 inches) predicted for eg the Dartmouth area seems a bit underwhelming, even on top of a spring tide. Winds also will now get up later and the waves may well be a bigger feature but for the moment it's fairly quiet here, less windy  than I would expect with a yellow warning in force.


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Nordic Snowman
21 October 2017 07:09:52

Originally Posted by: DEW 


 


The 200 mm surge (8 inches) predicted for eg the Dartmouth area seems a bit underwhelming, even on top of a spring tide. Winds also will now get up later and the waves may well be a bigger feature but for the moment it's fairly quiet here, less windy  than I would expect with a yellow warning in force.



Indeed. Portsmouth also is just breezy rather than windy. I know the stronger winds are not predicted until later this afternoon but nonetheless, as I mentioned yesterday, Storm Brian is no more than a storm in a tea cup.


Should have named it Brooke Bond 


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The Beast from the East
21 October 2017 07:53:51

Originally Posted by: Nordic Snowman 


 


 Storm Brian is no more than a storm in a tea cup.


 



Hopefully! 


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Gusty
21 October 2017 09:49:57

Originally Posted by: KevBrads1 

Night timelapse of Brian's approach to Irlam

http://www.youtube.com/watch?v=UuMors7IPQM


Impressive stuff Kev. I like the way the clouds 'back' as the system approaches. The overnight light pollution makes the timelapses as impressive as the daytime ones. 


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ARTzeman
21 October 2017 09:53:24

Strongest wind for my area is around 13:00. 48mph wind gusts.....  






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Others just get wet.
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Bolty
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21 October 2017 11:17:33

Beautiful structure to Storm Brian's rain bands. It's almost like we have an "eye" to the storm!


https://twitter.com/MetEireann/status/921680620698382336


Scott
Blackrod, Lancashire (4 miles south of Chorley) at 156m asl.
My weather station 
Quantum
21 October 2017 14:21:22

Originally Posted by: Bolty 


Beautiful structure to Storm Brian's rain bands. It's almost like we have an "eye" to the storm!


https://twitter.com/MetEireann/status/921680620698382336



This is actually an excellent example to use in an explanation of tropical vs non tropical TCs. I'll elaborate.


 


The centre of the storm does indeed look like an 'eye'. However what we actually have is a quite rare warm seclusion extratropical low. Matured depressions can sometimes develop a warm core which only happens in the deepest ones. Warm air is pinched off and isolated away from the rest of the warm sector. The warm seclusion being surrounded by cold air behaves in many ways like a tropical eye. However one can distinguish them by looking at the phase space diagrams.


 


The phase space diagram shows the storm has a warm anomaly close to the surface but not at higher levels. In other words the secluded warm core is a shallow feature. An eye of a TC would have a warm core extending all the way up into the upper troposphere. 


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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.
johncs2016
21 October 2017 15:55:34

I've just read on the BBC Sport website that Stranraer's Scottish League One match at home to Raith Rovers was abandoned because of a waterlogged pitch with Storm Brian being blamed for that. I have seen countless matches being postponed because of waterlogged pitches, but this usually means that the game won't even start as a result of the pitch being deemed as unplayable as a result of an inspection which takes place at some point in time before the match is due to kick off.

On this occasion, Stranraer's home match against Raith Rovers did get underway and so, the pitch would probably have been perfectly playable at that time when the match started. Indeed, there was even a goal scored by each side during the period of time when that match was being played and so, the score was level at 1-1 at the point in time when the match was abandoned. Without knowing what actually happened, this appears to be a case where torrential rain set in as that match was being played. Stranraer is of course, part of SW Scotland which has been getting quite a lot of rain recently and so, it probably wouldn't have taken much for that pitch to become waterlogged.

That indeed, was what probably happened as a result of that torrential rain which was falling with the result that the referee would then have been left with no choice, other than to abandon the game. This shows that whilst Storm Brian has been a complete non-event here in Edinburgh, that obviously hasn't been the case everywhere as the event which I have just described above is just one example of the effects of that in Scotland (no surprise there though, since it is Ireland that has been most badly hit by Storm Brian and of course, Stranraer is closer to Northern Ireland than anywhere else in Scotland).


The north of Edinburgh, usually always missing out on snow events which occur not just within the rest of Scotland or the UK, but also within the rest of Edinburgh.
KevBrads1
21 October 2017 17:17:19
Very wet this late afternoon


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Bolty
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21 October 2017 21:40:01

Originally Posted by: KevBrads1 

Very wet this late afternoon

http://www.youtube.com/watch?v=gyjkMgUSgu0


It's the 21st of October, Kev, not the 12th!


Scott
Blackrod, Lancashire (4 miles south of Chorley) at 156m asl.
My weather station 
Chunky Pea
21 October 2017 21:59:16

Pretty bog standard Autumn stuff here in the west of Ireland today. Winds never terribly strong and rain never terribly heavy, but the combination of both at times made for some challenging conditions. 


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Gooner
22 October 2017 08:09:48

Been in Burnham on Sea all weekend .... went onto the beach yesterday , never known constant wind like it . I'm so glad I don't live in a coastal area when a big storm hits 


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KevBrads1
22 October 2017 08:29:46

Originally Posted by: Bolty 


">http://www.youtube.com/watch?v=gyjkMgUSgu0


It's the 21st of October, Kev, not the 12th!



Oops


MANCHESTER SUMMER INDEX for 2021: 238
Timelapses, old weather forecasts and natural phenomena videos can be seen on this site
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