2017/05/21 12:00
TAF TAF CORYN 211100Z 2112/2218 28012G22KT 7000 FEW040 SCT100 
      TEMPO 2112/2117 4000 DU/BLDU SCT040 PROB30 
      TEMPO 2112/2116 1500 BLSA 
      BECMG 2120/2122 27008KT