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polarwind
22 October 2013 13:00:51

Me?


3 inches dia/max width


What is the biggest snowflake recorded - if you don't know - this will amaze you.


15 inches dia/max width.


Told you.


 

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
idj20
22 October 2013 13:47:10

Instant ready made snowballs?

Folkestone Harbour. 
polarwind
22 October 2013 13:50:59


Instant ready made snowballs?


Originally Posted by: idj20 

No..... thats a different subject and they are formed in a different manner

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
Andy J
22 October 2013 14:02:07

I think the biggest flakes I've seen were on April 6th, 2008, from a very heavy fall of snow in the evening. Some of these flakes were approaching 3 inches across.


Before that, towards the end of March 1979 we had some similar sized flakes from a batch of heavy snow showers.

Gainsborough, Lincolnshire.
Snowfan
22 October 2013 16:05:18

The biggest I've seen were during an unexpected rain-to-snow event which became a 'freak blizzard' across the Southeast as the news described it - January 6th 1995, I'm thinking, they looked like golf balls!!! 

"Let It Snow, Let It Snow, Let It Snow! "
[/size]
polarwind
22 October 2013 16:28:21


The biggest I've seen were during an unexpected rain-to-snow event which became a 'freak blizzard' across the Southeast as the news described it - January 6th 1995, I'm thinking, they looked like golf balls!!! 


Originally Posted by: Snowfan 

"Spheres"? If so I've never ever seen them, but i think they are recorded and some, much bigger.

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
Quantum
22 October 2013 17:40:05

I think the UK actually holds the world record for largest snow flakes, during a spring event in the 1930s I think. 

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.
Arcus
22 October 2013 18:04:54
"Guinness World Records states that the largest snowflake ever measured was 15 inches wide and 8 inches thick, observed in 1887 at Fort Keogh, Montana. Ranch owner Matt Coleman took the measurement and he later described the snowflake as being "larger than milk pans" in the journal Monthly Weather Review journal."
Ben,
Nr. Easingwold, North Yorkshire
30m asl
Quantum
22 October 2013 18:09:59

"Guinness World Records states that the largest snowflake ever measured was 15 inches wide and 8 inches thick, observed in 1887 at Fort Keogh, Montana. Ranch owner Matt Coleman took the measurement and he later described the snowflake as being "larger than milk pans" in the journal Monthly Weather Review journal."

Originally Posted by: Arcus 


I think that 15 inch claim is highly disputed, which is possibly why I remember something about the UK. For the record I think the date was April 1931 and the flake was recorded in the west midlands. 

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.
idj20
22 October 2013 18:14:06

Is that the record for an actual single flake crystal, or a snowflake containing hundreds of flakes crystals all locked together?

Folkestone Harbour. 
Arcus
22 October 2013 18:17:22
As routine measurement of snowflake size is not commonly taken as part of weather obs, I don't think any claim can really be taken as the record. The UK can certainly be regarded as reasonably placed to experience large snow flakes, as typically they are formed in a convective environment with temperatures near freezing and light winds.
Ben,
Nr. Easingwold, North Yorkshire
30m asl
Essan
22 October 2013 19:26:41

I can remember seeing some flakes over 0.5cm across    But not many .....

Andy
Evesham, Worcs, Albion - 35m asl
Weather & Earth Science News 

Anyone who is capable of getting themselves made President should on no account be allowed to do the job - DNA
polarwind
22 October 2013 19:57:56

"Guinness World Records states that the largest snowflake ever measured was 15 inches wide and 8 inches thick, observed in 1887 at Fort Keogh, Montana. Ranch owner Matt Coleman took the measurement and he later described the snowflake as being "larger than milk pans" in the journal Monthly Weather Review journal."

Originally Posted by: Arcus 

Well..........I remembered the 15 inches OK - pleased about that


8 inches thick - that must be the comparison I was thinking about, to the "golf balls" I made earlier.


Quantum mentions England and I think there is a record of snowflakes, described as huge pancakes, somewhere with a diameter of 11 inches - but my memory is crap. Somewhere in SE England?

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
polarwind
22 October 2013 20:05:43


I can remember seeing some flakes over 0.5cm across    But not many .....


Originally Posted by: Essan 

So youv'e got a short memory?

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
Snowfan
22 October 2013 22:19:23



The biggest I've seen were during an unexpected rain-to-snow event which became a 'freak blizzard' across the Southeast as the news described it - January 6th 1995, I'm thinking, they looked like golf balls!!! 


Originally Posted by: polarwind 

"Spheres"? If so I've never ever seen them, but i think they are recorded and some, much bigger.


Originally Posted by: Snowfan 


 


They weren't actually round,they were normal snowflake shape, but I was just looking in my bedroom mirror and I suddenly saw what looked like a ton of golf balls flying past the lamp-post 


Some of them were huge, never measured them but many must've been a good 3 iinches across!! 


Does anyone else remember this event?? 

"Let It Snow, Let It Snow, Let It Snow! "
[/size]
LeedsLad123
23 October 2013 00:23:55
Saw some really huge flakes back in February - very wet, and did not settle. They were so large, they made thudding sounds as they landed on my shoulder - I kid you not. I was soaked.
Whitkirk, Leeds - 85m ASL.
Essan
23 October 2013 07:10:18



I can remember seeing some flakes over 0.5cm across    But not many .....


Originally Posted by: polarwind 

So youv'e got a short memory?


Originally Posted by: Essan 



Nah, just don't get big flakes round here.

I do remember seeing some inch sized ones in Scotland in the late 1990s

Andy
Evesham, Worcs, Albion - 35m asl
Weather & Earth Science News 

Anyone who is capable of getting themselves made President should on no account be allowed to do the job - DNA
polarwind
23 October 2013 07:45:56




I can remember seeing some flakes over 0.5cm across    But not many .....


Originally Posted by: Essan 

So youv'e got a short memory?


Originally Posted by: polarwind 



Nah, just don't get big flakes round here.

I do remember seeing some inch sized ones in Scotland in the late 1990s


Originally Posted by: Essan 

You'd have seen bigger ones if you left the bovy.

"The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it". – Michael Polyani (1962)
"If climate science is sound and accurate, then it should be able to respond effectively to all the points raised…." - Grandad
"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts". - Bertrand Russell
"Science is the belief in the ignorance of the experts" – Richard Feynman
"A consensus means that everyone agrees to say collectively what no one believes individually.”- Abba Eban, Israeli diplomat
Dave,Derby
KevBrads1
23 October 2013 16:12:09

The biggest I've seen were during an unexpected rain-to-snow event which became a 'freak blizzard' across the Southeast as the news described it - January 6th 1995, I'm thinking, they looked like golf balls!!! 

Originally Posted by: Snowfan 



I think you are referring to 4th January 1995 and it wasn't unexpected as Michael Fish forecast shows.



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Snowfan
24 October 2013 10:47:50


The biggest I've seen were during an unexpected rain-to-snow event which became a 'freak blizzard' across the Southeast as the news described it - January 6th 1995, I'm thinking, they looked like golf balls!!! 


Originally Posted by: KevBrads1 



I think you are referring to 4th January 1995 and it wasn't unexpected as Michael Fish forecast shows.

http://www.youtube.com/watch?v=B_n4SXUkUl0

Originally Posted by: Snowfan 


 


That forecast is for the following day (5th Jan)


I was 16, me and my mum had to go out in it and get a bus to church for the annual Epiphany service!! (Very slippery journey, I remember falling over in the town centre! But it was fun!) Also saw my neighbour's ginger kitten playing in it, was worried about him but he lived over 16 years...!!


It looks marginal at first but I can see they expected it to become quite heavy - however, it looked quite marginal for west London and the forecast I heard just said 'the rain may turn to snow over the Chiltern hills' and they expected it to turn back to rain later that evening - which it never did! lol

"Let It Snow, Let It Snow, Let It Snow! "
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