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Iceland’s Grímsvötn Volcano


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Posted
  • Location: Crossgates, Leeds. 76m ASL
  • Weather Preferences: Temperatures ≤25ºC ≥10ºC.
  • Location: Crossgates, Leeds. 76m ASL

I've been watching this unfold since the Icelandic Earthquake map lit up with red dots and green stars last Saturday. It's impressive! I fear what Katla's eventual eruption will be like!!!

Someone on Big Think posted a link to 38 photos of the ash cloud. These photos are awesome:

http://www.visir.is/album/20110523/FRETTIR/523009992

Edited by Stelmer
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Posted
  • Location: Aberdeen, Scotland
  • Location: Aberdeen, Scotland

Grabbed from comments in a blog, here http://www.jonfr.com/volcano/?p=969:

http://www.ruv.is/frett/ekkert-akvedid-um-folksflutninga

According to the article, 2000 tons are being ejected every second. That’s approximately 700 cu m per second, 2,500,000 per hour and 60,000,000 per day. A guesstimate based on this would be a total of about 150,000,000 – 200,000,000 cu m (0,15 – 0,20 cu km), a comfortable VEI 4 and more than the entire output of Eyjafjallajökull in a little over 48 hours.

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Posted
  • Location: Bognor Regis West Sussex
  • Location: Bognor Regis West Sussex

my bro is flying home from bristol to belfast, is it likely he will be affected?

tuesday evening

Sorry to say it is looking distinctly possible unless the wind changes dramatically.

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Posted
  • Location: Aberdeen, Scotland
  • Location: Aberdeen, Scotland

my bro is flying home from bristol to belfast, is it likely he will be affected?

tuesday evening

Possible at the Belfast end - he'd best check with his airline tomorrow morning.

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Posted
  • Location: Brighton (currently)
  • Location: Brighton (currently)

I've been watching this unfold since the Icelandic Earthquake map lit up with red dots and green stars last Saturday. It's impressive! I fear what Katla's eventual eruption will be like!!!

Someone on Big Think posted a link to 38 photos of the ash cloud. These photos are awesome:

http://www.visir.is/album/20110523/FRETTIR/523009992

Thanks for the link! Those photos are amazing! You can see the plume forming mamatus formations similar with a cb cloud!

Karyo

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Posted
  • Location: Bognor Regis West Sussex
  • Location: Bognor Regis West Sussex

Sad to see Eyja's new and pristine snow sullied yet again. http://www.simnet.is/jonfr500/earthquake/vefmyndeyjafjalmulaen.html

Still, nothing to what some areas are experiencing with ashfall. Sadly some livestock is begining to die and I don't suppose any wildlife in the area is faring any better.

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Posted
  • Location: Whaley Bridge - Peak District
  • Location: Whaley Bridge - Peak District

Ash fall being reported as deposited in Dublin and other parts of Ireland this evening, with a new video coming out of Iceland filmed from just 1km from the vent.

Thor E.Bachmann

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Posted
  • Location: Hughenden Valley, Buckinghamshire.
  • Location: Hughenden Valley, Buckinghamshire.

jeez!! woah that is amazing! the lightning is incredible! i sooooo wish i was right on that spot at the moment ^_^

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Posted
  • Location: East Devon
  • Location: East Devon

Thanks for that link.

There are some great pictures and videos in this thread, especially those with great lightning shots and 'volcanic mammatus' formations in some pictures linked to on the last page!

There doesn't seem to have been any lightning activity since late afternoon yesterday though which suggests the ash plume has weakened a lot.

Iceland last 7 days http://andvari.vedur.is/athuganir/eldingar/vikan_is.html?

N. Atlantic last 24 hours http://andvari.vedur.is/athuganir/eldingar/i_dag_na.html

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Posted
  • Location: Peterborough N.Cambridgeshire
  • Location: Peterborough N.Cambridgeshire

There doesn't seem to have been any lightning activity since late afternoon yesterday though which suggests the ash plume has weakened a lot.

Indeed and thankfully thie eruption should come to an end within a matter of days.

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Posted
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
  • Location: Eastbourne, East Sussex (work in Mid Sussex)

Latest advisory from Eurocontrol:

According to the Volcanic Ash Advisory Center (VAAC) in London,

depending on the continuing eruption of the volcano and the meteorological conditions,

there is a risk that some ash cloud may reach parts of northern Europe in the next 48 hours.

IN THE MEANTIME AIRCRAFT OPERATORS ARE STRONGLY RECOMMENDED TO CLOSELY MONITOR ALL RELEVANT NOTAMS, SIGMETS AND THE ASH CONCENTRATION CHARTS ON WWW.METOFFICE.GOV.UK FOR FURTHER INFORMATION AND UPDATES.

Due to the increasing number of issued Notams, it is no longer possible for CFMU to keep the NOP portal updated with current Notam numbers.

Germany has issued a Notam A1890/11, where the intension of DFS is described, in case of ash contamination in German airspace. Information can also be found on their website www.dfs.de

post-6667-0-25561000-1306226084.jpg

https://www.public.cfmu.eurocontrol.int/PUBPORTAL/gateway/spec/index.html

MetO charts:

VAG_1306215801.png

post-6667-0-25561000-1306226084_thumb.jp

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Posted
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
  • Location: Eastbourne, East Sussex (work in Mid Sussex)

i think my bro will be able to fly fine from bristol to belfast this evening. what do you guys think?

It's down to the individual airline now unless the CAA put a blanket ban on flying from certain airports, its also about positioning of aircraft for onward flights. He's going to have to talk to the airline that he's flying with to be certain.

BRUSSELS: European air traffic controllers said on Tuesday morning that 252 flights had been cancelled as a volcanic ash cloud covered Scotland and Northern Ireland.

"Most airlines have cancelled flights today -- 252 flights," said Brian Flynn, head of operations at the Brussels-based Eurocontrol via Twitter. "Parts of ash cloud to cover Scotland and Northern Ireland today."

The eruption of the Grimsvoetn volcano in Iceland forced US President Barack Obama the previous day to revise travel plans for a state visit to Britain and threatens to affect Barcelona's preparations for Saturday's Champions League final at Wembley Stadium in London.

Flynn warned that the ash cloud "will continue possibly southwards to France and Spain but hard to say now because (weather) forecasts are not precise for the end of the week."

He said that by the end of the day, the cloud "will cover southern parts of Scandinavia, Denmark and northern parts of Germany possibly." This raised the prospect of a major travel disruption across Europe due to Icelandic volcanic eruption for the second time in little over a year.

Last year, the plume landed first in Scotland before spreading quickly across Britain and Ireland, then drifting across most of Europe.

http://timesofindia.indiatimes.com/world/europe/Volcanic-ash-cloud-sees-252-flights-cancelled-Eurocontrol/articleshow/8554290.cms

Service update at 10.30:

Glasgow Airport is open. Whilst airspace over Glasgow is not currently affected by volcanic ash, we do expect disruptions. Any decision to cancel flights will rest with airline operators. We would advise all passengers to check with their airlines for flight information. You can also keep up-to-date by following us on Twitter.

http://www.glasgowairport.com/

Edinburgh Airport is open. Passengers are advised to contact their airlines directly before travelling to the airport. NATS forecasts a high density of ash over Scotland from 1pm - 6pm today. There is a possibility of this period extending into the night.

http://www.edinburghairport.com/

Latest advice from the CAA has deemed Aberdeen Airport will become clear from high density ash from 13:00 hours local time onwards.

As such operations can resume from that point. We expect there to still be considerable delays and cancellations throughout the day, as the airlines operations take time to recover.

http://www.aberdeenairport.com/

Due to Scottish airspace being affected by volcanic ash, flights to and from Glasgow Prestwick Airport are distrupted on the 24th of May 2011. We will continue to monitor the situation closely and at this time advise all passengers to check with their airline before travelling to the airport.For the latest flight arrivals and departures information please refer to the relevant sections of our website

http://www.glasgowprestwick.com/news-and-events/delays.html

Flight disruptions are forecast for Tuesday 24th May 2011 at all HIAL's 11 airports. Passengers should contact their airline for further information

http://www.hial.co.uk/dundee-airport/ (there are currently no flights at Dundee according to their arrivals/departures board)

Similar situation at Kirkwall with some arriving:

http://www.hial.co.uk/kirkwall-airport/

No flights at Stornoway:

http://www.hial.co.uk/stornoway-airport/

or Inverness:

http://www.hial.co.uk/stornoway-airport/

Some flying into Newcastle:

http://www.newcastleairport.com/FlightInformation/ArrivalsDepartures.htm

Latest information from the Met Office shows that following the recent eruption of Grimsvotn in Iceland, an area of volcanic ash is forecast to affect some parts of Scotland.. Passengers travelling to Scotland are advised to check with their airline for the latest information. All other flights to and from Humberside Airport continue to operate as normal. The airport will continue to monitor the situation very closely and provide further information to passengers should anything change.

http://www.humbersideairport.com/huyweb.nsf/Content/newashcloud

Leeds Bradford Airport is open. However due to the Volcanic Ash activity, LBA may experience disruption to flight schedules.We recommend you contact your airline or tour operator and check the status of your flight before arriving at the airport.

Flights Cancelled

BE643 Leeds Bradford Airport to Aberdeen Airport scheduled at 10:40 Hours.

You can also check the latest flight information by clicking onto our arrivals and departures page.

http://www.leedsbradfordairport.co.uk/

Some flights to and from Durham Tees Valley Airport have been affected by the recent eruption of Iceland's Grímsvötn Volcano. Please remember, if you're due to fly:-Keep an eye on the latest news reports and weather forecasts as the situation can change at short notice.

http://www.durhamteesvalleyairport.com/important-weather-update.html

Flight Cancellations for 24th May 2011 T3722 Norwich to Aberdeen T3723 Aberdeen to Norwich T3726 Norwich to Aberdeen T3727 Aberdeen to Norwich BD1310 Aberdeen to Norwich BD1311 Norwich to Aberdeen For the latest information please check with your airline.

http://www.norwichairport.co.uk/

The Civil Aviation Authority (CAA) has advised that high concentrations of ash from the volcanic eruption in Iceland will reach parts of Scotland during this morning. Consequently six flights between Manchester and Aberdeen and Inverness have been cancelled. Approximately 200 passengers who should have travelled on these services should check with their airline before coming to the airport. Edinburgh and Glasgow services are not currently affected.

Manchester Airport will also today handle nine Thomas Cook and Thomson flights that should have departed from Glasgow and Edinburgh. A further five flights operated by these airlines to Glasgow and Edinburgh have also landed at Manchester with all passengers connecting by coaches arranged by their airlines. Other than this, Manchester Airport is operating normally and we do not expect this to change for the foreseeable future.

http://www.manchesterairport.co.uk/html/ash-update.html

The majority of flights to and from Liverpool John Lennon Airport are unlikely to be affected by the recent eruption of Iceland's Grímsvötn Volcano, however, this is subject to change.

http://www.liverpoolairport.com/

Volcanic Ash Update. The following flights have been cancelled on Tuesday 24th May due to the volcanic ash cloud from Iceland. Flybe flights BE321 from Birmingham to Aberdeen and BE322 from Aberdeen to Birmingham. Loganair flights BE6970 from Dundee to Birmingham and BE6971 to Dundee from Birmingham.

http://www.birminghamairport.co.uk/

Volcanic ash from Iceland's Grimsvotn volcano will affect flights to and from Scotland and Iceland on Tuesday, 24 May. Passengers with flights to these destinations should check with their airline before travelling to the airport. We will provide updates here and on Twitter as the situation changes.

http://www.heathrowairport.com/

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Posted
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
The volcanic ash cloud is expected to affect some parts of Scottish air space on Tuesday, 24 May. Passengers are advised to check the status of flights with their airline before making their way to the airport. We will also provide updates here as the situation changes.

http://www.stanstedairport.com/

easyJet have announced it has cancelled flights to/ from Edinburgh, Glasgow, Inverness and Aberdeen, operating between 05:00 hours and 09:30 hours tomorrow morning. All other services are presently unaffected. London Luton Airport strongly advise that all passengers regularly check the status of their flight with their airline before travelling to the airport.

http://www.london-luton.co.uk/en/news/

Gatwick is open but some services to and from Scottish airports may be affected during the next 24 hours. The latest information from the Met Office shows that following the recent eruption of Grimsvotn in Iceland, an area of volcanic ash is affecting Scotland today (Tuesday 24 May).British Airways and easyJet have cancelled some services to Scotland. Please contact your airline for the latest information.

http://www.gatwickairport.com/

Disruption to flights to and from some airports in Scotland and the north of England may be experienced on Tuesday 24 May following the eruption of the Grimsvotn volcano in Iceland. Passengers with queries about the status of their flight are advised to check with their airline or tour operator before travelling to the Airport.

http://www.bristolairport.co.uk/

The airport is open with the majority of flights operating, including to Scotland (with the exception of Aberdeen). However passengers are asked to make contact with their airlines to confirm travel arrangements. We will continue to provide regular updates here and on Twitter if the situation changes. Next update: 14:30 hours.

http://www.southamptonairport.com/

UPDATED 06:12 Tuesday 24 May 2011

There is some disruption to flights today (Tuesday 24 May) due to the volcanic ash cloud in UK airspace.

http://www.belfastcityairport.com/

Flight Disruption possible on Tuesday 24/05/11

The Grimsvotn volcano in Iceland erupted on Saturday 21st May and the ash cloud is expected to reach Northern Ireland, Scotland and Northern England by the early hours of Tuesday morning. It does not necessarily mean that airports will close but airlines may take the decision not to fly, therefore flight disruption is a possibility.

As a result, easyJet have cancelled all flights between Belfast International to both Glasgow and Edinburgh airports between 05:00 and 09:00 on Tuesday 24th May. For further information visit www.easyjet.com

The Jet2.com 07:00 departure to Leeds Bradford and the 09:30 arrival from Leeds Bradford have both been cancelled. For further information visit www.jet2.com

http://www.belfastairport.com/en/

Some cancellations at Derry:

http://www.cityofderryairport.com/

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Posted
  • Location: Whaley Bridge - Peak District
  • Location: Whaley Bridge - Peak District

Its a bit early to say the eruption is over based on the lack of plume & lightning on the Icelandic meteorological charts. Based on ground inflation and tremor readings if anything these suggest the eruption is just likely to prep up as stronger. The magma vent now has less exerted force pushed against it allowing easier flow to take place (thus less earthquakes taking place, but more readable harmonic tremors throughout the entire Icelandic seismic networks.)

With the depths being so low this indicates the chamber emptying beneath Grimsvotn is at least 20km in depth, and the discharge rate being 10,000 tonnes p/s easily classifies this as a VEI4 eruptive event. To scale this since this Volcano has erupted in the past 3 days its discharged more material than Eyjafjallajokull did in the ENTIRE eruption of 2010, and is still doing so even now, with plenty more volatile material left to erupt in the chamber 20km below the mountain until deflation registers on the instruments.

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Posted
  • Location: Savoy Circus W10 / W3
  • Location: Savoy Circus W10 / W3

To scale this since this Volcano has erupted in the past 3 days its discharged more material than Eyjafjallajokull did in the ENTIRE eruption of 2010, and is still doing so even now, with plenty more volatile material left to erupt in the chamber 20km below the mountain until deflation registers on the instruments.

ABSOLUTELY : I have been reading with interest some news agencies 'spin' on proceedings, seems to be a bit of downplaying going on..

I often turn to this blog regarding Iceland volcanoes : short and sweet and sensible :

http://www.jonfr.com/volcano/

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Posted
  • Location: Aldborough, North Norfolk
  • Location: Aldborough, North Norfolk

ABSOLUTELY : I have been reading with interest some news agencies 'spin' on proceedings, seems to be a bit of downplaying going on..

I often turn to this blog regarding Iceland volcanoes : short and sweet and sensible :

http://www.jonfr.com/volcano/

great link that, as you said short sweet and sensible.

What a volume though 10k Tonnes per second, so over half a million tonnes a minute in a day, at the same rate 864,000,000 tonnes, so even if it's slowed to half that, still almost half a billion tons a day.

Do we know what amounts of SO2 and other aerosols are likely to be ejected? As the plume was so high, I would have thought the SO2 would have a significant cooling effect

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Posted
  • Location: Haddington, East Lothian, Scotland
  • Weather Preferences: Snow, Thunderstorms, Warm summer evenings
  • Location: Haddington, East Lothian, Scotland

weird seeing Scottish Airspace completely deserted bar a few high altituders. Also looks like BA are doing an air test , see BAW9271 just north of aberdeen , he's holding at 28,000 feet and doing circuits. http://www.flightradar24.com/

Seen nothing here bar an A330 at high altitude at around 12.20pm , skies are very quiet.

latest from the met office , http://www.metoffice..._1306237419.png

Edited by Calum
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Posted
  • Location: Haddington, East Lothian, Scotland
  • Weather Preferences: Snow, Thunderstorms, Warm summer evenings
  • Location: Haddington, East Lothian, Scotland

Volcanic Ash being plotted on todays westbound turbulence forecast along with todays tracks for the transatlantics (alot further south).

atlantic_west.gif

Thats from 06z (7am) , http://www.turbulenceforecast.com/atlantic_westbound_tracks.php

Edited by Calum
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Posted
  • Location: Eastbourne, East Sussex (work in Mid Sussex)
  • Location: Eastbourne, East Sussex (work in Mid Sussex)

Seems this is causing a stir with the airlines and authorities:

PARIS/FRANKFURT, May 24 (Reuters) - New airspace closure rules decided after last year's Icelandic volcanic eruption have caused divisions in Europe on how to decide whether airlines can fly near the ash cloud. A bureaucratic turf war has so far prevented Europe's controllers from applying the same rules to everyone, with Germany insisting on closing skies as a precaution where there are signs of significant ash, aviation sources said on Tuesday. A European crisis cell founded after last year's six-day ash crisis was activated for the first time on Monday and met on Tuesday to try to hammer out a harmonised set of rules.

"Germany has been taking a tougher line than most of the other countries," a source familiar with the discussions said. So far weather maps show a paw-shaped "red" zone of Icelandic ash spreading down to Scotland but sparing Germany, after the Grimsvotn volcano erupted on Saturday. European authorities were criticised by airlines last year for imposing sweeping airspace closures wherever computerised dispersion models told them ash ought to be present. The bans effectively turned Europe's air traffic controllers into border guards and grounded more than 10 million passengers.

This time, two changes have come into effect which should reduce disruption, Britain's Civil Aviation Authority says. Forecasters are providing information dividing airspace into three areas of concentration: low (up to 2 milligrams per cubic metre), medium (up to 4 milligrams) and high above that. And a new UK-backed system would allow pilots to make most decisions on where to fly, as long as airlines have made a compelling safety case and prove their risk assessment methods. So far no airline has presented a safety case that would allow it to fly in the red-coded high zone, the CAA said.

SAFE? PROVE IT, SAYS GERMANY

Some experts believe the patchy concentrations of ash even in these bands justify the decision to make it a judgment call. Germany however told pilots on Tuesday that it would refuse to clear aircraft to fly through the medium or high zones except in emergency or under certain other conditions. If airlines believe it is safe to fly above 2 milligrams, then they must provide hard scientific proof and not just rely on local safety audits, the German transport ministry said. Berlin had already told engine makers last year that they should do tests to show what concentration is really dangerous, but nothing had emerged, a transport ministry spokesman said.

While the airline industry has welcomed the extra flexibility being offered by many countries, for some that poses its own additional risks in a lawsuit-ridden industry. "They are putting the onus of proving it is safe on airlines and passing the buck," said a source with a major airline. In a further bureaucratic twist, officials told Reuters that a UK research plane remained stranded on the ground instead of being released to take samples, frustrating several airlines. The problems in getting the BAE-146 plane aloft to tackle a new crisis were disclosed by Reuters on Monday.

Ireland's Ryanair (RYA.I) took the matter into its own hands by sending its own plane up into the reported danger zone over Scotland on Tuesday, and said there was no visible ash. The budget carrier has dismissed the red zone as a "myth".

http://www.reuters.com/article/2011/05/24/iceland-volcano-wrangle-idUSLDE74N0MJ20110524

Eurocontrol are due to release another update this afternoon, here is the last one:

NEXT TELECONFERENCE IS PLANNED AT 1400 UTC ON 24th MAY.

Apologies to all those unable to join the 0800 conference due the limited number of lines available (150).

As from 1400 UTC conference, the number of lines will be increased up to 300. According to the Volcanic Ash Advisory Center (VAAC) in London, high concentration areas have impacted Northern UK, North sea and is going to impact Scandinavia. Several Notams have been issued by BIRD/ EGTT/ EGPX/ EGGX/ ESOS/ ENOR/ EFES/ EKDK/ EETT regarding temporary restricted/danger areas.

A detailed plan containing the intention of EU countries when impacted by ash cloud will be published into the Headline News as soon as available.

Latest from NATS:

Grímsvötn volcanic ash updates

24 May 2011 – 0930 UK time

Latest information from the Met Office shows that following the recent eruption of Grímsvötn in Iceland, an area of volcanic ash is forecast to affect some parts of the UK between 1300 and 1900 UK time on Tuesday 24 May. Airports remain open, however some services may be affected from the following aerodromes including:

Londonderry Glasgow Edinburgh Prestwick Newcastle Carlisle Durham Tees Valley Cumbernauld

Please note – passengers should check with their airline before travelling to these airports. A further update will be provided at approximately 1500 UK time today (24 May).

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