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SE and East Anglia general weather discussion 01/01/2018 onwards


Captain Shortwave

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Posted
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
22 minutes ago, Surrey said:

Squall line now visible on radar, lets see how it develops (if at all)

Gathering force over SW now. 

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Posted
  • Location: St rads Dover
  • Weather Preferences: Snow, T Storms.
  • Location: St rads Dover

Just found this thread, if anyone is interested in the short term model output. Think it just like the mod thread though, keep it to model decision if posting.

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Posted
  • Location: Rotherhithe, 5.8M ASL
  • Location: Rotherhithe, 5.8M ASL

Storm Forecast
Valid: Tue 02 Jan 2018 06:00 to Wed 03 Jan 2018 06:00 UTC
Issued: Mon 01 Jan 2018 22:19
Forecaster: DAFIS

Levels 1 and 2 were issued for SE UK, N France, Benelux and NW Germany mainly for severe wind gusts. 

A level 1 was issued for Greece and Turkey mainly for excessive precipitation and severe wind gusts. 

DISCUSSION

A long-wave trough will cross Europe during Tuesday, bringing cold air masses from the north. The jet stream is curved at the leading edge of the trough and a strong jet streak is expected to influence the UK, and West Europe in general, at the early morning of Wednesday. At the surface, several low-pressure centers are located over Scandinavia and two more are about to form, one over Italy with an eastbound movement to Greece and the other one over Scotland moving towards Denmark by Wednesday which will result in a very strong pressure gradient, especially in the English Channel. 

.... West Europe ....

Moist air masses will be advected from the Atlantic towards France and Benelux where non-convective severe wind gusts will be the main threat. NWP models forecast steep lapse rates below this jet streak where CAPE will be about 200-300 J/kg, so scattered thunderstorms may form especially near the coasts. These storms will be able to produce severe wind gusts at the surface in the range of 25-35 m/s but limited lightning activity near the cold front. A level 2 was issued for the English Channel, France and Benelux to address the severity of the wind gusts. Non-convective severe wind gusts may as well verify in areas S-SE of the level 1 area drawn. 

4712C290-9B80-46D8-8236-7BEBA962D31A.thumb.png.1ff173b15a871875bf3565a107e049ef.png

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Posted
  • Location: St rads Dover
  • Weather Preferences: Snow, T Storms.
  • Location: St rads Dover
2 minutes ago, Daniel* said:

Storm Forecast
Valid: Tue 02 Jan 2018 06:00 to Wed 03 Jan 2018 06:00 UTC
Issued: Mon 01 Jan 2018 22:19
Forecaster: DAFIS

Levels 1 and 2 were issued for SE UK, N France, Benelux and NW Germany mainly for severe wind gusts. 

A level 1 was issued for Greece and Turkey mainly for excessive precipitation and severe wind gusts. 

DISCUSSION

A long-wave trough will cross Europe during Tuesday, bringing cold air masses from the north. The jet stream is curved at the leading edge of the trough and a strong jet streak is expected to influence the UK, and West Europe in general, at the early morning of Wednesday. At the surface, several low-pressure centers are located over Scandinavia and two more are about to form, one over Italy with an eastbound movement to Greece and the other one over Scotland moving towards Denmark by Wednesday which will result in a very strong pressure gradient, especially in the English Channel. 

.... West Europe ....

Moist air masses will be advected from the Atlantic towards France and Benelux where non-convective severe wind gusts will be the main threat. NWP models forecast steep lapse rates below this jet streak where CAPE will be about 200-300 J/kg, so scattered thunderstorms may form especially near the coasts. These storms will be able to produce severe wind gusts at the surface in the range of 25-35 m/s but limited lightning activity near the cold front. A level 2 was issued for the English Channel, France and Benelux to address the severity of the wind gusts. Non-convective severe wind gusts may as well verify in areas S-SE of the level 1 area drawn. 

4712C290-9B80-46D8-8236-7BEBA962D31A.thumb.png.1ff173b15a871875bf3565a107e049ef.png

Um I think I need to move.

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Posted
  • Location: Dorset
  • Weather Preferences: warehamwx.co.uk
  • Location: Dorset
1 minute ago, alexisj9 said:

Um I think I need to move.

I agree! I'll come with you! How about Bruges? Cherna_24.gif

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Posted
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl

Long range BBC forecast not looking great for an East or Northeasterly weather next week. 

BBC going for light winds and settled conditions.

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Posted
  • Location: St rads Dover
  • Weather Preferences: Snow, T Storms.
  • Location: St rads Dover
1 minute ago, Mapantz said:

I agree! I'll come with you! How about Bruges? Cherna_24.gif

Nah i think I'm close enough to the level 2 to feel the winds, and may be see some lightning too. We can swap if you like.

 

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Posted
  • Location: Hatfield Peverel near Chelmsford Essex
  • Location: Hatfield Peverel near Chelmsford Essex

Nasty squall line now looks like its coming our way.

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Posted
  • Location: South Woodham Ferrers, Essex
  • Weather Preferences: Seasonal
  • Location: South Woodham Ferrers, Essex
2 hours ago, alexisj9 said:

I think it might be an idea to do it Thursday. Just in case. 

 Thanks, I tend to agree. I'll enjoy the wind (whilst also hoping nobody gets hurt) from my warm house while I plough through some work instead. 
I am lucky, my thoughts I with the increasing number on the streets these days.

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Posted
  • Location: St Leonards-on-Sea, East Sussex. 81 metres asl
  • Weather Preferences: Thunderstorms.
  • Location: St Leonards-on-Sea, East Sussex. 81 metres asl

Words can barely describe how miserable the weather has been here all day, a real stinker.

The wind has been picking up a fair bit in the last couple of hours but nothing out of the ordinary so far. However I'm not getting complacent because as per the forecast and the radar, the worst is yet to reach this part of the South Coast.

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Posted
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)
  • Weather Preferences: Thunderstorms, snow, and wind storms
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)
3 minutes ago, SenlacJack said:

Words can barely describe how miserable the weather has been here all day, a real stinker.

The wind has been picking up a fair bit in the last couple of hours but nothing out of the ordinary so far. However I'm not getting complacent because as per the forecast and the radar, the worst is yet to reach this part of the South Coast.

Just as you said that, I heard quite a strong gust of wind, certainly the strongest of the evening so far.

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Posted
  • Location: Bedfordshire/Herts border 40m asl
  • Weather Preferences: Cold, crisp, calm and sunny
  • Location: Bedfordshire/Herts border 40m asl

Squall is driving the rain into my bedroom window with such force it sounds as though bullets are hitting it. Some powerful gusts livening up this normally silent little spot. Alarm goes at 05:15 and I’m hoping for a quieter night than this! 

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Posted
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)
  • Weather Preferences: Thunderstorms, snow, and wind storms
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)

conditions rapidly going downhill, with heavy drizzle and gusty winds. a local weather station in Bexhill has recorded a gust of 60.0mph at 22:45.

http://www.discoverbexhill.com/bexhillweather.php

Edited by LightningLover
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Posted
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)
  • Weather Preferences: Thunderstorms, snow, and wind storms
  • Location: Bexhill-on-sea, East Sussex (11.8M ASL)

Very strong gust as i opened my window in the back garden, must have been around 55mph?

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Posted
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
3 minutes ago, alexisj9 said:

56 highest gust so far however may well be getting stronger as I type.

We've just had one knock things over in the town. 

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Posted
  • Location: Hatfield Peverel near Chelmsford Essex
  • Location: Hatfield Peverel near Chelmsford Essex

Portland just had a 81mph gust!!!! Hold on everyone!

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Posted
  • Location: St rads Dover
  • Weather Preferences: Snow, T Storms.
  • Location: St rads Dover
3 minutes ago, James Oliver said:

We've just had one knock things over in the town. 

Yep I'm sure the station is undereporting.

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Posted
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
  • Location: Dover Kent 10m asl/ Leeds W Yorks 120m asl
Just now, alexisj9 said:

Yep I'm sure the station is undereporting.

I live between two tall buildings that funnel the winds from the sea. Wild out there 

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