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DTSTART:19700329T010000
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CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:Mammatus clouds and sedimentation instabilities - 
 Kirk Distinguished Visiting Fellow Lecture - Rama 
 Govindarajan (International Centre for Theoretical
  Sciences\, TIFR\, Bangalore)
DTSTART;TZID=Europe/London:20220505T160000
DTEND;TZID=Europe/London:20220505T170000
UID:TALK171752AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/171752
DESCRIPTION:We will talk about two kinds of clouds: mammatus\,
  and the newly-designated asperitas\, which displa
 y breathtaking patterns in the sky. Such patterns 
 are shown to be created by droplet sedimentation b
 elow the cloud base combined with the thermodynami
 cs of phase change. Sedimentation in the presence 
 of wind shear is shown to be a strong candidate fo
 r asperitas cloud formation. Stability analysis an
 d numerical simulations are in qualitative agreeme
 nt. When droplets or ice particles are close to ea
 ch other\, their shape\, and their interactions as
  they fall\, can create other instabilities and pa
 tterns. We will discuss these and a few consequenc
 es.\n&nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
CONTACT:
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