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Incredible Morning Glory Photos



 
 
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  #11  
Old January 13th 17, 01:57 PM posted to rec.aviation.soaring
Martin Gregorie[_5_]
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Default Incredible Morning Glory Photos

On Thu, 12 Jan 2017 21:54:37 -0800, Chris Wedgwood wrote:

Got a link to the sat pics?


Try this:

https://lance.modaps.eosdis.nasa.gov/imagery/subsets/?
subset=Australia5.2017006.terra.1km

Or start from this page to see all the related MODIS images:

https://lance.modaps.eosdis.nasa.gov/imagery/subsets/?
project=&subset=Australia5&date=01%2F06%2F2017


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martin@ | Martin Gregorie
gregorie. | Essex, UK
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  #12  
Old January 13th 17, 01:59 PM posted to rec.aviation.soaring
Martin Gregorie[_5_]
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Default Incredible Morning Glory Photos

On Fri, 13 Jan 2017 01:18:56 -0800, Bruce Hoult wrote:

On Thursday, January 12, 2017 at 5:49:56 PM UTC+3, Tango Eight wrote:
http://tinyurl.com/gsmxwne


Surely this is standard wave cloud, not the 'Glory? Wave clouds being
stationary in the wind, while the Glory cloud travels out from the
desert to the northern ocean at a good clip (100 km/h?)


I think you're right. Still a fantastic cloud pattern, though.


--
martin@ | Martin Gregorie
gregorie. | Essex, UK
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  #13  
Old January 13th 17, 02:34 PM posted to rec.aviation.soaring
Tango Eight
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Default Incredible Morning Glory Photos

On Friday, January 13, 2017 at 8:00:56 AM UTC-5, Martin Gregorie wrote:
On Fri, 13 Jan 2017 01:18:56 -0800, Bruce Hoult wrote:

On Thursday, January 12, 2017 at 5:49:56 PM UTC+3, Tango Eight wrote:
http://tinyurl.com/gsmxwne


Surely this is standard wave cloud, not the 'Glory? Wave clouds being
stationary in the wind, while the Glory cloud travels out from the
desert to the northern ocean at a good clip (100 km/h?)


I think you're right. Still a fantastic cloud pattern, though.


Why?

The texture of the clouds says "(near) zero shear" to my eye and there darned sure isn't any proximate terrain. So I'd bet a beer on travelling waves.

best,
Evan
  #14  
Old January 13th 17, 02:54 PM posted to rec.aviation.soaring
Martin Gregorie[_5_]
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Posts: 1,224
Default Incredible Morning Glory Photos

On Fri, 13 Jan 2017 12:59:19 +0000, Martin Gregorie wrote:

On Fri, 13 Jan 2017 01:18:56 -0800, Bruce Hoult wrote:

On Thursday, January 12, 2017 at 5:49:56 PM UTC+3, Tango Eight wrote:
http://tinyurl.com/gsmxwne


Surely this is standard wave cloud, not the 'Glory? Wave clouds being
stationary in the wind, while the Glory cloud travels out from the
desert to the northern ocean at a good clip (100 km/h?)


I think you're right. Still a fantastic cloud pattern, though.


Changed my mind: took another look at the airliner pic - clouds are
rotors rather than lenticulars. yellowplaintain's post mentions a cold
front which rather clinched the roll cloud interpretation.


--
martin@ | Martin Gregorie
gregorie. | Essex, UK
org |
 




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