On 2007-01-21, Mxsmanic wrote:

The FARs are actually ambiguous, but they say "distance from clouds
... 1000 feet below."


How are they ambiguous? They're quite straight, 500 below if below 10,000,
1000 if you're above 10,000 ft AGL. Except Leadville, CO you'll be below
10,000 anywhere in the US.