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« From JD Johannes: | Main | A new Dark Age in Europe? »

April 18, 2010

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(GI) Joe vs the Volcano

By Greyhawk

In Iceland a volcano erupts - embedded in a massive smoke cloud, ash and other particulate matter are flung skyward. An impressive sight if you can get close enough to view it...

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...but the ash cloud spreads and dissipates as it's carried downwind, and doesn't appear on infrared or visible satellite imagery.

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US Air Force infrared satellite imagery, 18 April 2010

"Seeing" the ash cloud requires additional enhancement of the data - as in the (April 15) image below where it's visible as the grey band stretching left to right across the upper half of the picture.

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This image, acquired on 15 April 2010 by Envisat's Medium Resolution Imaging Spectrometer (MERIS), shows the vast cloud of volcanic ash sweeping across the UK from the eruption in Iceland, more than 1000 km away. The ash, which can be seen as the large grey streak in the image, is drifting from west to east at a height of about 11 km above the surface Earth.
Photo: European Space Agency

And forecasts of the progress of that plume are based on computer-generated models, with output similar to the animated images below.

This animation shows the movement of the ash plume from the eruption of the Eyjafjallajoekull glacier in Iceland. The information has been derived by a model using SO2 as particle tracer for the ash plume. This model has been developed at the Norwegian Institute for Air Research in the Department of Atmospheric and Climate Research. This service was developed within the ESA Data User Element 'Support to Aviation for Volcanic Ash Avoidance' with the aim of generating accurate and timely satellite-based information to Volcanic Ash Advisory Centres (VAACs) to assist the aviation community.

That was the only "view" anyone had of the ash cloud over Europe. By the time any spread over the Continent, it was not visible to the naked eye.

You've no doubt already heard that concern over the possible presence of that ash cloud has temporarily halted air travel in Europe. It's an unprecedented event on this scale. Volcanic ash, unlike "regular" clouds composed primarily of water, is solid particulate matter, and can wreak havoc on aircraft engines. Concerns are very real, and photos of empty major European airports or stranded travelers are a common site on the internet and television news this weekend. The financial impact is enormous, but the impact of halting flights over Europe goes beyond backlogged civilian cargo or business and pleasure travel to and from those many hubs.

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U.S. Air Force Tech. Sgt. Kim Price, 455th Expeditionary Aeromedical Evacuation Flight, checks on the condition of a wounded U.S. service member during a medical evacuation in a C-130 over Afghanistan, March 26, 2010. (Photo by Tech. Sgt. Jeromy Cross)

Europe is the normal first stop (or last stop, if they are inbound) for all American military personnel departing the CENTCOM area of operations - whether they are troops rotating home at the end of their tours, going on leave, or evacuated for medical issues - including those wounded in action in Iraq or Afghanistan.

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Members and volunteers of the Contingency Aeromedical Staging Facility carry a patient onto a C-17 Globemaster III, at Joint Base Balad, Iraq, Feb. 11. The patient is one of seven receiving a medical transfer from JBB to Landstuhl Regional Medical Center, Germany, where his care will continue. (Photo by Tech. Sgt. Linda Miller)

Flights in Iraq and Afghanistan have not been directly impacted by the volcanic ash cloud, and won't be. Prevailing winds and dispersal with time will eliminate any threat there.

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U.S. Air Force Airmen from the 455th Expeditionary Aeromedical Evacuation Flight, secure wounded Afghan national army soldiers for a medical evacuation into a C-130 Hercules at Camp Bastion, Afghanistan, March 26. (Photo by Tech. Sgt. Jeromy Cross)

However, flights from the AO to Europe have been canceled - including missions to deliver sick and injured troops to Landstuhl Medical Center in Germany. By the end of last week, "one medical evacuation flight from downrange has been re-routed directly to Joint Base Andrews outside Washington," said Navy Capt. Kevin Aandahl, a spokesman for U.S. Transportation Command. From there patients will be transported to Walter Reed or Bethesda.

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U.S. Air Force Airmen transport wounded Afghan national army soldiers and U.S. Military personnel during a medical evacuation in a C-130 Hercules over Afghanistan, March 26. (Photo by Tech. Sgt. Jeromy Cross)

Quality care can be provided downrange - but hospitals there may experience a bit more crowding than normal. And once a backlog has been created it can take quite some time before it's cleared. It took over one week to catch up the delayed patient transports after just one missed flight caused by closing the airspace over Washington DC for President Obama's inauguration last year.

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Tech. Sgt. Price checks on the condition of a wounded Afghan national army soldier during a medical evacuation at Camp Bastion, Afghanistan, March 26. (Photo by Tech. Sgt. Jeromy Cross)

So planners, schedulers, and crews of the medevac flights aren't likely to get much "down time" in the aftermath of the volcano. But troops leaving Afghanistan are just one part of the equation.

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NATO forces move a wounded soldier to an ambulance, March 26. (Photo by Tech. Sgt. Jeromy Cross)

From Stars and Stripes:

Ramstein Air Base in Germany, normally the busiest military hub on the continent, had recently boosted flights into and out of Afghanistan as part of President Barack Obama's order for 30,000 additional troops there.

Flights headed downrange, needing to cross the Atlantic Ocean from the States, are "at a halt," said Air Force Lt. Col. Jim Dryjanski, 86th Operations Group deputy commander at Ramstein.
<...>
All flights and heavy-lift aircraft operations into and out of Spangdahlem Air Base, Germany, have also been postponed due to the volcanic ash, said base spokeswoman Air Force 2nd Lt. Kathleen Polesnak.

About half the additional airlift missions tied to the buildup in Afghanistan were to route through Ramstein and Spangdahlem, Air Force officials announced earlier this year.

And just as with moving wounded troops, backlogs in the system can take significant time to clear.

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Members of the 379th Expeditionary Aeromedical Evacuation Squadron unload medical supplies from a C-130 aircraft at non-disclosed Southwest Asia location March 17. (Photo by Senior Airman Kasey Zickmund.)

Fortunately, any clearing operations required may begin soon. European airline "test flights" this weekend have been successful, with no problems reported from any ash that might be present. However, the EU is struggling with this unprecedented (millions of travelers stranded, cost to the aviation industry alone at least $200 million a day) problem.

Diego Lopez Garrido, state secretary for EU affairs for Spain, which holds the rotating EU presidency, said that "now it is necessary to adopt a European approach" instead of a patchwork of national closures and openings.

"Probably tomorrow one half of EU territory will be influenced. This means that half of the flights may be operating," Lopez Garrido said about conditions Monday.

Meanwhile, "the announcement of successful test flights prompted some airline officials to wonder whether authorities had overreacted..."



Posted by Greyhawk / April 18, 2010 4:57 PM | Permalink

1 TrackBack

June 6, 1944, was a day like no other in history. But somewhere in Afghanistan - a land of snow and desert, cold and heat, dust storms and thunderstorms - today and every day a repeat of the process that lead to the forecast that won the war goes on...... Read More

6 Comments


I can't see the "over-reacting" part. Volcanic ash in jet engines is a disaster waiting to happen. Better to be safe in this situation, than to plow ahead and lose a bunch of people and several aircraft.

The fall-out from loss of life would be far worse than the time spent on waiting this out.

Hi Tim - I'm the most cautious, serious, risk-averse weather forecaster you'd ever want to do business with.

But I was a young lad in 1980, and honestly can't remember how long we shut down all air traffic in North America after Mt St Helens.

Talked with family members of some wounded Marines who were on one of those direct flights to the states - 26 hours with two re-fuelings... surgery in Germany canceled and rescheduled for Bethesda!

People will probably still complain about no Whoppers at the Burger King.

Thanks for the satellite imagery, etc. Although this has been in the news, I have not seen any graphics that help us ordinary folks understand how something so far away could cause the problem in Europe. This was great.

I have a question. Did anyone mount a large, moderate, or even small number of observation flights to gather data so that we could validate the above-referenced computer models?

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November 26, 2010


America@war
[Greyhawk]
I think anyone who's ever pondered the "comment" option - once only available on blogs and bulletin boards, now ubiquitous on almost any web site - will appreciate this:
The so-called faculty of writing is not so much a faculty of writing as it is a faculty of thinking. When a man says, "I have an idea but I can't express it"; that man hasn't an idea but merely a vague feeling. If a man has a feeling of that kind, and will sit down for a half an hour and persistently try to put into writing what he feels, the probabilities are at least 90 percent that he will either be able to record it, or else realize that he has no idea at all. In either case, he will do himself a benefit.

That's wisdom from the past, captured for posterity at the US Naval Institute, shared via the web on the institute's 137th anniversary.

From their about page:

The Naval Institute shall remain

INDEPENDENT - A non-profit member association, with no government support, that does not lobby for special interests;

NON-PARTISAN - An independent, professional military association with a mission, goals and objectives that transcend political affiliations; and shall encourage

IDEAS - Through its respected journals Proceedings and Naval History, its conferences, its books and its online content, in support of those who serve.

"The Naval Institute has three core activities," among them, History and Preservation:

The Naval Institute also has recently introduced Americans at War, a living history of Americans at war in their own words and from their own experiences. These 90-second vignettes convey powerful stories of inspiration, pride, and patriotism.

Take a look at the collection, and you'll see it's not limited to accounts from those who served on ships at sea, members of the other branches are well-represented.

I'm fortunate to have met USNI's Mary Ripley, she's responsible for the institute's oral history program (and she's the daughter of the late John Ripley, whose story is told here). She also deserves much credit for their blog. ("We're not the Navy nor any government agency. Blog and comment freely.") We met at a milblog conference - Mary knew (and I would come to realize) that milbloggers are the 21st-century version of exactly what the US Naval Institute is all about. Once that light bulb came on in my head, I mentioned a vague idea for a project to her - milblogs as the 21st century oral history that they are.

"Put that in writing," she said (of course - see first paragraph above!) - and here's part of the result.

Shortly after the first tent was pitched by the American military in Iraq a wire was connected to a computer therein, and the internet was available to a generation of Americans at war - many of whom had grown up online. From that point on, at any given moment, somewhere in Iraq a Soldier, Sailor, Airman or Marine was at a keyboard sharing the events of his or her day with the folks back home. While most would simply fire off an email, others took advantage of the (then) relatively new online blogging platforms to post their thoughts and experiences for the entire world to see. The milblog was born - and from that moment to this stories detailing everything from the most mundane aspects of camp life to intense combat action (often described within hours of the event) have been available on the web...

And et cetera - but since you're reading this on a milblog, you probably knew that. And you know that milblogs aren't just blogs written by troops at war, that many friends, family members, and supporters likewise documented their story of America at war online in near-real time, as those stories developed.

The diversity in membership of that group is broad, the one thing we all have in common is the impulse to make sense of the seemingly senseless, and communicate the tale - for each of us that impulse was strong enough to overcome whatever barriers prevent the vast majority of people from doing the same. Everyone at some point has some vague idea they believe should be shared - we were the people who, from some combination of internal and external urging, found and spent those many half hours persistently trying to write it down.

*****

But where will all that be in another 137 years? Or five or ten, for that matter. That's something I've asked myself since at least 2004 - when I wrote this:

Closing Blogs is nothing new. So many site's owners just give up on their own. They come and go, you know, these MilBloggers do. Like any other sort of blogger. Many post in the lonely down hours far from home, spill their guts for the world, then abandon their spots when the tour of duty is up. They have lives again somewhere in the world, and no need to share the details. So it goes.

Many are truly gone - no site left at all. "The page cannot be found." Other blogs remain, like abandoned defensive positions in shifting desert sands.

Membership in the ghost battalion has grown in the years since, and an ever growing majority of those abandoned-but-still-standing sites are vanishing. Have you checked out Lt Smash's site lately? How about Sgt Hook's? If you're a long-time milblog reader you know the first widely-read milblog from Operation Iraq Freedom and the first widely-read milblog from Afghanistan are both gone from the web. If you're a relative newcomer to this world you may never even have heard of them - or the dozens upon dozens of others who carried forth the standard they set down.

If you have a vague notion that something should be done about that, (a notion I've heard expressed more than once...) then you and I and the good folks at the US Naval Institute are in agreement. Preserving the history documented by the milbloggers is just one of the goals of the milblog project, the once-vague idea that we're now making real.

And it's a big idea, if I say so myself - too big to explain in one simple blog post, so stand by for more. Likewise, it's too big a task to be accomplished by just one person. So if you're a milblogger (and exactly what is a milblogger? is a topic for much further discussion on its own) I'm asking for your help. All I'll really need is just a little bit (maybe just one or two of those half hours...) of your time, and your willingness to tell the tale.

We've already made history, it's time to save it.

(More to follow...)




Posted 4:02 PM | Permalink | Comments (0) |

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The Mudville Gazette is the on-line voice of an American warrior and his wife who stands by him. They prefer to see peaceful change render force of arms unnecessary. Until that day they stand fast with those who struggle for freedom, strike for reason, and pray for a better tomorrow.
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  • Casey: I have a question. Did anyone mount a large, moderate, read more
  • nanahawk: Thanks for the satellite imagery, etc. Although this has been read more
  • Ol Sarge: People will probably still complain about no Whoppers at the read more
  • Lisa-in-DC: Talked with family members of some wounded Marines who were read more
  • Greyhawk: Hi Tim - I'm the most cautious, serious, risk-averse weather read more
  • AW1 Tim: I can't see the "over-reacting" part. Volcanic ash in read more

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The Mudville Gazette is written and produced by Greyhawk, who recently retired from 24 years of active duty in the US military, but will maintain this disclaimer: Unless otherwise credited, the opinions expressed are those of the author, and nothing here is to be taken as representing the official position of or endorsement by the United States Department of Defense or any of its subordinate components.

Furthermore, I will occasionally use satire or parody herein. The bottom line: it's my house.

I like having visitors to my house. I hope you are entertained. I fight for your right to free speech, and am thrilled when you exercise said rights here. Comments and e-mails are welcome, but all such communication is to be assumed to be 1)the original work of any who initiate said communication and 2)the property of the Mudville Gazette, with free use granted thereto for publication in electronic or written form. If you do NOT wish to have your message posted, write "CONFIDENTIAL" in the subject line of your email.

Original content copyright © 2003 - 2011 by Greyhawk. Fair, not-for-profit use of said material by others is encouraged, as long as acknowledgement and credit is given, to include the url of the original source post. Other arrangements can be made as needed.

Contact: greyhawk at mudvillegazette dot com

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*****

Tending Distant
Fires


Far from hearth and home, watching
Cold alone but not alone
On distant shore and only wanting
Safe return and little more

What tales we'll tell
When that time comes
When tales can be told

When things grim
Seem far away
When other fires go cold

Some distant sunset, vision fading
Memories remain
And tired eyes gaze 'pon folded flags
While distant drums beat their refrain

Saluting fallen friends whose names
And youth will never fade
Here's to those on other shores,
for them live well, the price is paid

- Greyhawk,
Baghdad,
December 2004