Archived posting to the Leica Users Group, 2005/05/10

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Subject: [Leica] Strange Clouds - LUG Meteorologists, please.
From: vondauster at earthlink.net (Will von Dauster)
Date: Tue May 10 06:33:45 2005
References: <42806B6E.9060901@summaventures.com> <000701c55563$e5392d20$3368010a@Secor>

Yes, these are mammatus clouds.

Will von Dauster
(NOAA)

On May 10, 2005, at 7:26 AM, Howard L Ritter, Jr wrote:

> I believe these are "mammary" or mammatus clouds, formed by cold  
> air sinking down from the bottom of a cumulonimbus cloud in its  
> actively forming phase. This means they're usually transient, as  
> you observed. Were there cumulonimbus or storm clouds, better yet  
> an anvil cloud, in the area at the time?
>
> --howard
>
>
> ----- Original Message ----- From: "Peter Dzwig"  
> <pdzwig@summaventures.com>
> To: <LUG@leica-users.org>
> Sent: Tuesday, May 10, 2005 4:06 AM
> Subject: [Leica] Strange Clouds - LUG Meteorologists, please.
>
>
>
>> Saw this recently:
>>
>> http://gallery.leica-users.org/album92/StormClouds200504
>>
>> Didn't have an appropriate filter but have worked to bring the sky  
>> out as we saw it; forget any artefacts, please.
>>
>> I don't think that I've ever seen anything like it. Does anyone  
>> know what it is? It moved over us and within about ten minutes  
>> began to disperse, although it was visible moving away for about  
>> thirty minutes lessening all the time
>>
>> TIA,
>>
>> Peter Dzwig
>>
>>
>> _______________________________________________
>> Leica Users Group.
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>>
>
> _______________________________________________
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>


Replies: Reply from hlritter at mindspring.com (Howard L Ritter, Jr) ([Leica] Strange Clouds - LUG Meteorologists, please.)
In reply to: Message from pdzwig at summaventures.com (Peter Dzwig) ([Leica] Strange Clouds - LUG Meteorologists, please.)
Message from hlritter at mindspring.com (Howard L Ritter, Jr) ([Leica] Strange Clouds - LUG Meteorologists, please.)