Annex D. Luckily the route SHANNON to BERLIN is drawn
in. There are 2 areas of weather affecting this route – CAT AREA 2 – Moderate
CAT FL270-FL400, and a Frontal System lying over England with MOD Icing and CAT
FL100-FL140 ISOL EMBD CB FL100-FL220.
There seems
to be a clear area FL220-FL270.