Re: clear air turbulence

Date:         24 Jan 98 02:53:16 
From:         "JCSFlyboy" <jsflyboy@airmail.net>
Organization: INTERNET AMERICA
References:   1
Next article
View raw article
  or MIME structure

Philip Miller wrote in message ...
>Can someone explain how this phenomenon occurs?  Is it simply a change
>in density of the air due to temperature?

1. Wind shear in the vicinity of upper level wind shifts.
2. Abrupt temperature changes through upper level fronts.
3. Waves formed in a strong wind flow downwind of high terrain or strong
thunderstorms.
or
4. The abrupt wind and/or temperature change near the Tropopause.