TAF KGTB 030100Z 0301/0407 VRB06KT 9999 BKN180 QNH3015INS 
  BECMG 0311/0312 17012G20KT 9999 BKN140 510059 QNH3011INS 
  BECMG 0322/0323 17015G25KT 8000 -SHRA BKN055 OVC100 510059 QNH2990INS 
  BECMG 0401/0402 20010G18KT 9000 -SHRA BKN045 OVC060 QNH2990INS TX27/0318Z TN19/0306Z