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Gusty
09 December 2014 17:47:33

..and at the other end of the country its been a fairly calm and bright day.


In the last 10 minutes the first gusts have stirred. smile


Steve - Folkestone, Kent
Current conditions from my Davis Vantage Vue
https://www.wunderground.com/dashboard/pws/IFOLKE11 
Join Kent Weather on Facebook.
https://www.facebook.com/stevewall69/ 



idj20
09 December 2014 18:13:38


 


See this on Friday Ian, just clipping you as it zooms and whips round the Channel 


http://www.theweatheroutlook.com/twodata/datmdlout.aspx


 


EDIT: oops was suppose to be the Wind map for Friday 


 


Originally Posted by: Jonesy 



Typical, innit? I reckon that'll put overnight ferry services on hold for a few hours in the night.


Folkestone Harbour. 
Hade Edge Snowman
09 December 2014 18:17:26

[quote=Medlock Vale Weather;649976]


Snow risk has reduced to 50% for here tomorrow night, but gone up to 70% early Friday. Wouldn't be surprised to see this downgrade again and like yesterday snow cover restricted to ground 300m plus where most people don't live. 


 


 



Hade Edge Snowman
West Yorkshire
1060 feet/323 metres ASL
doctormog
09 December 2014 18:32:45
Great to see the BBC Scotland forecaster using the term "explosive cyclogenesis" just now. Certainly an interesting day and few days to come.

Nothing overly notable here although it has been a bit windy at times. Further west I suspect things are a bit different.
ghawes
09 December 2014 18:52:18

Cold front coming through Edinburgh now! Wintry showers here Wed and Thurs then proper snow Friday....interesting week!

Originally Posted by: Crepuscular Ray 



I admire your confidence Jerry. Can I pencil in my first meaningful snowfall in 4 years for Friday morning? ;-)

Squall line went through St Andrews just around 5pm. Very heavy rain and gusty winds, not easy to miss.
Graeme
East Neuk of Fife



Essan
09 December 2014 19:33:41

Great to see the BBC Scotland forecaster using the term "explosive cyclogenesis" just now.

Originally Posted by: doctormog 



Wot no bomb?!!!!!

Although given that the fax charts showed a center of 942mb at midday today (south of Greenland) and only 950mb as it passes north of Scotland, isnt this a fillling low?

Not RaCy at all ....


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
RobN
  • RobN
  • Advanced Member
09 December 2014 19:51:43

Great to see the BBC Scotland forecaster using the term "explosive cyclogenesis" just now.

Originally Posted by: doctormog 


 


I suppose with the better funded state education system north of the border the BBC can use such academic jargon. They would't get away with that down here as it would be considered too elitist.


It's been very quiet and completely dry down here today, though the wind is picking up now.


 


Rob
In the flatlands of South Cambridgeshire 15m ASL.
idj20
09 December 2014 20:14:46

In the past couple of days, every time the term "weather bomb" got mentioned, a mental image kept springing to mind. So, I had to put it to paper and this is what I came up with . . .


Folkestone Harbour. 
doctormog
09 December 2014 20:18:26



Wot no bomb?!!!!!

Although given that the fax charts showed a center of 942mb at midday today (south of Greenland) and only 950mb as it passes north of Scotland, isnt this a fillling low?

Not RaCy at all ....

Originally Posted by: Essan 



Was the RaCy stage not reached when it was further out in the N Atlantic?

Either way it is an impressive winter storm even if it does not end up having massive impacts across the UK.
Essan
09 December 2014 20:23:27

Was the RaCy stage not reached when it was further out in the N Atlantic?

Originally Posted by: doctormog 



Aye, it was.   But normally we only mention it when a system approaching Britain is undergoing RaCy, not when it has passed that stage long before it got here.

Just another case of the media cottoning on to a term with no understanding of what it really means


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
Jonesy
  • Jonesy
  • Advanced Member Topic Starter
09 December 2014 20:37:44


In the past couple of days, every time the term "weather bomb" got mentioned, a mental image kept springing to mind. So, I had to put it to paper and this is what I came up with . . .


Originally Posted by: idj20 


 Very good Ian 


Medway Towns (Kent)
The Weather will do what it wants, when it wants, no matter what data is thrown at it !
Medlock Vale Weather
09 December 2014 20:44:04

Maybe some widespread snow fall from the midlands north by Friday



 


Alan in Medlock Valley - Oldham's frost hollow. 103 metres above sea level.
What is a frost hollow? http://www.weatheronline.co.uk/reports/wxfacts/Frost-hollow.htm 
Joe Bloggs
09 December 2014 21:11:39
The squall line appears to be heading through my patch now.

Very wild out there !

Manchester City Centre, 31m ASL

SEMerc
09 December 2014 21:16:05


Maybe some widespread snow fall from the midlands north by Friday



 


Originally Posted by: Medlock Vale Weather 


79" of snow in Norway. Not a bad total that.

idj20
09 December 2014 21:51:06

Certainly getting a bit blustery but two things are working to my favour at the moment. 1) The Folkestone Rain Shield appears to be still working as it's remaining bone dry and 2) because the wind is coming from the south west, the built up hilly bit is having the effect of absorbing the worst of the gales.
 
However, it seems that Thursday night's event does have more of a punch to it AND it'll have more rain to go with it going by current model outputs. I guess at this point it's no good hoping/wishing for any kind of downgrades - but again, at least it'll be coming in from the south west rather than that annoying in-your-face south direction as far as I can see.


Folkestone Harbour. 
bradders
09 December 2014 22:14:16

The squall line appears to be heading through my patch now.

Very wild out there !

Originally Posted by: Joe Bloggs 


Yes, we lost the satellite signal for a few minutes it was raining so hard.



Eric. Cheadle Hulme, Stockport.
nsrobins
09 December 2014 22:36:49

For Ian's benefit, we should keep an eye on the pendulum trough moving East across the N Midlands early Friday.
An adjustment upwards into a more closed system could deliver severe gales to the South between 00Z Fri and 09Z Fri, and on it's Northern edge some significant snow. One to watch.


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO
09 December 2014 22:49:32
Great explanation from Peter Gibbs on the BBC weather site about the explosive cyclogenesis... To a weather novice like me, it is explained really well without all the sort of xxxx you get in the Express, Mirror etc etc... My thoughts and prayers are particularly with those people in the Outer Hebrides...very glad not to be on a ferry to Stornaway or Lochmaddy...not that I'd imagine they are running!
Sevendust
09 December 2014 22:52:06


For Ian's benefit, we should keep an eye on the pendulum trough moving East across the N Midlands early Friday.
An adjustment upwards into a more closed system could deliver severe gales to the South between 00Z Fri and 09Z Fri, and on it's Northern edge some significant snow. One to watch.


Originally Posted by: nsrobins 


Nice phrase. Yep as discussed elsewhere, certainly of interest and could cause issues in terms of both snow and powerful winds

Crepuscular Ray
09 December 2014 23:11:30
Really stormy in Edinburgh now with squalls of sleet and wet snow at 80m
Jerry
Edinburgh, in the frost hollow below Blackford Hill
Sevendust
09 December 2014 23:16:38

Great explanation from Peter Gibbs on the BBC weather site about the explosive cyclogenesis... To a weather novice like me, it is explained really well without all the sort of xxxx you get in the Express, Mirror etc etc... My thoughts and prayers are particularly with those people in the Outer Hebrides...very glad not to be on a ferry to Stornaway or Lochmaddy...not that I'd imagine they are running!

Originally Posted by: chichesterweatherfan 


My mates stuck on an oil rig off Shetland - Supposed to be seeing him on Saturday!

Jonesy
  • Jonesy
  • Advanced Member Topic Starter
10 December 2014 00:27:10

Interesting animated view of things http://earth.nullschool.net/#current/wind/surface/level/orthographic=-7.36,-4.83,261



Medway Towns (Kent)
The Weather will do what it wants, when it wants, no matter what data is thrown at it !
Medlock Vale Weather
10 December 2014 00:58:44

A lot of snow piling up across Scotland by Thursday according to EURO4



Alan in Medlock Valley - Oldham's frost hollow. 103 metres above sea level.
What is a frost hollow? http://www.weatheronline.co.uk/reports/wxfacts/Frost-hollow.htm 
Quantum
10 December 2014 00:59:26

My crayon drawings have returned. Snow risk for the entirety of 24 hours today. Note this map only is useful for low ground including towns and cities, snow risks for even a small amount of elevation will be virtually 100% today. Interpret this map as the probability of you seeing snow if you live in that region. And by snow I mean something the average guy on the street can agree with, not 2 slightly icy raindrops under a lamppost. This is one of the hardest snow maps I have ever done, because none of the models agree with each other, and neither do the snow benching parameters. Above all else though, I base my decision on the entire atmosphere, which revolves around the use of skew-t diagrams. The upshot is that if the winds were light the snow probability would be very high, as it is, we are just (but definitely) on the wrong side of marginal. The weird thing is, it will take hardly any elevation to change this, even 100m could be enough. So because of all of this the map is rather homogenous and topped out, there is no place in the UK that has a high risk of seeing snow today, but there is a widespread low risk. Note that by thursday we will be on the other side of marginal. 



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.
nsrobins
10 December 2014 05:36:01

Still looking like a significant snowfall early Fri am for Higher areas N Midlands and into N England generally.
Also the threat of a wind event S UK remains, with a deepening trough zipping across and closing as it exits into the N Sea. The phasing of this feature with the jet streak will determine the severity but as this stage an upper end event is low risk IMO.


Neil
Fareham, Hampshire 28m ASL (near estuary)
Stormchaser, Member TORRO

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