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| uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#1
September 25th 03, 02:11 PM
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Cloud Identification Help...
One for you aviation types...
http://82.39.122.1/Images/ispy11317.jpg http://82.39.122.1/Images/ispy11322.jpg Would it be correct to say that these are distrails in altocumulus? Never seen one before! Les -- Les Crossan, Wallsend, Tyne & Wear 55N 01-30W, Home of the Wallsend Stormcam - http://www.uksevereweather.org.uk --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.521 / Virus Database: 319 - Release Date: 23/09/2003 |
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#2
September 25th 03, 05:34 PM
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Cloud Identification Help...
"Les Crossan" wrote in message ... One for you aviation types... http://82.39.122.1/Images/ispy11317.jpg http://82.39.122.1/Images/ispy11322.jpg Would it be correct to say that these are distrails in altocumulus? Never seen one before! First one's easy Les. Are you sure that camera was looking east and not north east? Quite clearly it's a map of Norway. Don't know really. Not distrails though - unless there was a huge great formation of aircraft flying through that cloud. I would have thought it was simply some vertical oscillation (wave effect) of the airflow. However, the archive synoptic chart shows no isobars, so little wind (at low level - probably similar at height). So don't have an explanation. Jack |
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#3
September 25th 03, 06:44 PM
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Cloud Identification Help...
Never noticed that Jack.. I see it now! Thank you.
Les -- Les Crossan, Wallsend, Tyne & Wear 55N 01-30W, Home of the Wallsend Stormcam - http://www.uksevereweather.org.uk "Jack Harrison" wrote in message ... "Les Crossan" wrote in message ... One for you aviation types... http://82.39.122.1/Images/ispy11317.jpg http://82.39.122.1/Images/ispy11322.jpg Would it be correct to say that these are distrails in altocumulus? Never seen one before! First one's easy Les. Are you sure that camera was looking east and not north east? Quite clearly it's a map of Norway. Don't know really. Not distrails though - unless there was a huge great formation of aircraft flying through that cloud. I would have thought it was simply some vertical oscillation (wave effect) of the airflow. However, the archive synoptic chart shows no isobars, so little wind (at low level - probably similar at height). So don't have an explanation. Jack --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.521 / Virus Database: 319 - Release Date: 23/09/2003 |
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