FTIL31 BICC 172000
TAF BIRK 171933Z 1721/1821 13008KT 9999 FEW015 BKN030 TX01/1721Z
         TNM02/1805Z
         TEMPO 1721/1805 1000 SHSN BKN008CB
         PROB40 TEMPO 1805/1818 3500 -SHSN BKN012
         BECMG 1808/1810 34012KT=