Oh dear. There seems to be some confusion as to whether FROST is in lower or upper case! Its meant to b in upper case.

You meant to go to...

http://www.nerc-bas.ac.uk/public/icd/FROST/

Note: due to the slightly bizarre nature of its caching, if you are using Microsoft Internet Explorer you may have problems getting from this page to the true page. If clicking on the link above returns you back here, then you need to either 1) get a better web browser, or 2) try this instead, or 3) clear out your disk cache and try again.