FTDN31 EKCH 180500 TAF EKCH 180519Z 1806/1906 30008KT CAVOK PROB40 1904/1906 0500 FZFG BKN002= TAF EKBI 180502Z 1806/1906 25004KT 9999 FEW025= TAF EKAH 180502Z 1806/1906 28005KT CAVOK=