That I know of:
TAR 1 - Argentina (political unrest)
TAR 5 - United Arab Emirates
TAR 8 - Belize (Hurricane Emily)
TAR 19 - Laos
TAR 24 - Australia/other countries in the first half of the route (active typhoon season)
TAR 33 - All of route after Scotland, including what would have been the first visit to Nepal
TAR Canada 5 - Kenya