September 2007

You are currently browsing the articles from Turbulence Forecast Blog written in the month of September 2007.

Rough Turbulence All Over The Country Today

Airplane passengers all over the country are experiencing rough rides today due to upper atmosphere disturbances from jet stream, fronts, and more.

PIREPs for 9/29/2007

Written by tb_neg on September 29th, 2007 with no comments.
Read more articles on Turbulence and Weather.

Southwest Airlines Plans ‘Mini-Skirt’ Fare Sale

Southwest Airlines, famous for booting people off of planes for wearing clothing deemed revealing proves it has a sense of humor by announcing a ‘mini-skirt’ sale.

Written by tb_neg on September 26th, 2007 with no comments.
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Telephone Line Causes Major Memphis Malfunction

All air traffic within 250 miles of Memphis had to be diverted today due to a failure of a telephone line that powers the regional air traffic control failed. While no one was in any danger, it was a major inconvenience because many flights had to be rerouted or diverted to alternate airports. MEM is also the hub for FedEx, although they were largely not effected because most of their flights take place in the early morning.

From the article.

National Air Traffic Controllers union spokesman Doug Church called the outage a major safety problem. He said controllers had to use their personal cell phones to talk to other air-traffic control centers.

Written by tb_neg on September 25th, 2007 with no comments.
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Heavy Reading - Analyses of Aircraft Responses to Atmospheric Turbulence

On that long transatlantic flight trying to kill time? Interested in turbulence? Why not read a Ph.D. dissertation on the subject? Free download at the link below.

The response of aircraft to stochastic atmospheric turbulence plays an important role in, for example, aircraft design (load calculations) and flight simulation (handling qualities research and pilot training).

Link

Written by tb_neg on September 23rd, 2007 with no comments.
Read more articles on Interesting and Links.

Severe Turbulence Encounters Over the Southeast

Several planes have been encountering severe turbulence over the southeast today. Attached is a graphic from our live turbulence explorer.

Turbulence for September 19th, 2007.

Written by tb_neg on September 19th, 2007 with no comments.
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A realistic in flight turbulence video

It’s difficult to find a decent video of in flight turbulence for a lot of reasons. For one, turbulence can be unexpected, and no one is going to run a camera for the whole flight to capture a few moments. Another good reason is that people may not want to be holding a camera during a bumpy ride.

I came across this video from an interesting post on airliners.net discussing turbulence, and a member posted a video he captured on Frontier Airlines. If I had to guess, it would probably be considered light-moderate, but it would be very difficult to tell accurately from the video.

In his words:

Heres a video I shot of some pretty bad turbulence on Frontier 797 DEN-PDX, it was over Eastern Oregon which Ive heard is pretty notorious for bumpyness.

It was bad enough where we kept losing and gaining a little altitude, and the wings were rocking very hard at some points.

Notice the employee holding the upper cargo bins to keep herself from falling.

Btw, in no way whatsoever was I shaking the camera. It was actually that bumpy where I couldnt keep the camera still.

And the video:

Written by tb_neg on September 18th, 2007 with no comments.
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Airbus A380 Causes Major Wake Turbulence Problem

The Airbus A380, claimed to be “bigger and better” than the Boeing 747, may not be. Originally, Airbus had thought that the double decker A380 would carry 35-40 percent more passengers than the 747, which has been now changed. With a smaller passenger count, many of the advantages of the A380 go away. The most interesting problem with the A380 is a matter of wake turbulence. When waiting for takeoff, planes are normally separated by a minute or more, depending on size, as to not get caught in the vortex of the plane that had just taken off.

The problem is, is due to the A380’s size, it generates a large disruption in the air (see this picture for an example).

From the article.

Large jets will need a separation of an additional two nautical miles when trailing an A380, compared with rules for existing large planes such as the 747.

This rises to an additional four nautical mile spacing for light aircraft and airports won’t be able to squeeze in as many flights in the minutes after an A380 lands as they do with a 747.

Update: Post at CrankyFlier.com for more information.

Written by tb_neg on September 13th, 2007 with no comments.
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New System Helps Airliners Avoid Turbulence

While Turbulence Forecast has been helping fliers predict turbulence on flights, an exciting new development is underway that could make flights smoother.

Airplane passengers could soon experience much less in-flight turbulence if testing goes well for a new detection system designed to end stomach-lurching bumpy rides and reduce delays.

The air turbulence detection system , designed by the National Center for Atmospheric Research (NCAR), has already successfully alerted some pilots steering United Airlines commercial flights to patches of rough air as they flew through clouds.

Update: Video

Article
Starry Skies Article

Written by tb_neg on September 11th, 2007 with 2 comments.
Read more articles on Interesting and Links.

A winter turbulence preview

As winter looms nearer, a strengthening jet stream is causing light to moderate turbulence for jets over the midwest and northeast parts of the country. You might consider today’s reports as a preview of the upcoming winter travel season.

Pilot Reports of Turbulence for September 11th, 2007.

Pilot reports of Turbulence on the Live Turbulence Viewer

Jet stream for September 11th, 2007

Jet Stream

Airmets for September 11th, 2007.

Turbulence Areas

Written by tb_neg on September 11th, 2007 with no comments.
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A tropical storm heading for New York area this weekend?

A tropical storm is modeled to be heading straight for the eastern seaboard this weekend. If this is the case, expect long delays, flight cancellations, and bumpy rides in and out of the area.

WCBSTV Story

Accuweather Story

Written by tb_neg on September 6th, 2007 with no comments.
Read more articles on Weather.