http://www.faa.gov/air_traffic/publi.../gen_14001.pdf
This document designated 272 "Cold Temperature Restricted Airports", where there are procedures that may place aircraft at risk with respect to obstacle clearance under cold temperature conditions. The NOTAM delineates crew and ATC interaction under those circumstances.
You're welcome.
Last edited by weasil; 16th Feb 2015 at 11:36.
Reason: Fighting