NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: (Fwd) The Most Anomalous Refraction Yet or What ?
From: Marcel Tschudin
Date: 2009 Aug 4, 21:06 +0300
From: Marcel Tschudin
Date: 2009 Aug 4, 21:06 +0300
George you wrote: > However, the picture does show a bit of interesting atmospheric disturbance, > in that there's an inversion occurs within the lowest few minutes near the > horizon, causing the main, highly overexposed, Sun disc to flare out at its > lower limb, just where it touches the horizon. The Omega-sun shows up with super-adiabatic lapse rates, i.e. temperature gradients much less than -10�C/km. Inversions are generally related to positive temperature gradients (where the sea is cold and the air warm), they produce a different picture of the sun, not an Omega-sun. Marcel --~--~---------~--~----~------------~-------~--~----~ NavList message boards: www.fer3.com/arc Or post by email to: NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
