| Hugh |
| (Senior Storm Chaser) |
| Sun Jul 13 2008 05:36 PM |
Re: Bertha Vortex Message
|
That's only at Flight Level, that they are finding hurricane-force winds, though, and if you use an 80% reduction, it only leaves winds of 62.5mph at the surface. Not sure how they determine whether to use 90% or 80% reduction from the flight level.