[FRIAM] Clouds as objects and duals

Fri Nov 4 00:10:30 EDT 2022

It looks like a gust front where cooler air is under cutting and forcing upward warmer and moister air.  A bit like a lens cloud on the surface.  Would I have let my kids dance around on the pier under that thing?   I don’t think so. 

n

Nick Thompson

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From: Friam <friam-bounces at redfish.com> On Behalf Of Stephen Guerin
Sent: Thursday, November 3, 2022 9:59 PM
To: The Friday Morning Applied Complexity Coffee Group <friam at redfish.com>
Subject: Re: [FRIAM] Clouds as objects and duals

Very cool, Eric!

note the comment at the end how the wind stopped "like a light switch",

Here's a weather channel writeup of similar Roll Clouds near the same Sleeping Bear Dunes National Lakeshore <https://www.google.com/maps/place/Sleeping+Bear+Dunes+National+Lakeshore,+Maple+City,+MI+49664/@45.0844277,-86.1065753,8.75z/data=!4m5!3m4!1s0x881e1e758bcef3af:0x4c0212b9db689321!8m2!3d45.0986209!4d-86.0092802>  reported the same day from different vantage point:
  https://www.mlive.com/weather/2016/06/what_caused_amazing_roll_cloud.html

with a video:
 https://youtu.be/UXrmT8ajYpM

Here's a dramatic video of series of roll clouds over Lake Michigan a couple years later. You can see the extreme winds kicking as the roll clouds pass.
https://www.youtube.com/watch?v=8F4d-PhfIb

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On Thu, Nov 3, 2022 at 9:17 PM Eric Charles <eric.phillip.charles at gmail.com <mailto:eric.phillip.charles at gmail.com> > wrote:

Amazing video of a "roll cloud" that seems to neatly demonstrate many of the things we discuss fairly often. It is extremely object-like. "It" seems to move around despite continuously forming and reforming itself at the boarder, while seeming not to "mix" with the "layers" around it. And, of course, the air around it is "pulling" it into place as much as the air in it is "pushing" into new space, so it gets at all of Steve's bidirectional-causality urges. Anyway... if nothing else, it is pretty damned cool to watch: 

 https://youtu.be/InxQlUOYAng?t=58

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