I just a checked a couple vertical soundings from 18.09.05 00 utc ...
at FL350
Alert (Canada N82 31) -59 C
Eureka (Canada N79 59) -56 C
Barrow (Alaska N71 18) -59 C
Tiksi (Russia N71 35) -52 C
Iwas unable to find anything more northerly.
Singapore -45 C (and has been like this the past 9 days)
edit: various stuff removed
Last edited by SIGMET nil; 19th Sep 2005 at 11:31.