JRM2010
"09 Nov 20:00 2010 Until 10 Nov 01:00 2010. Created: 08 Nov 20:52 2010 "
Which, as was mentioned on the blog linked at the top, is after the contrail in question appeared, at around 17:00 local on 08 Nov.
And here's me thinking NOTAMs were in Z timings.
