TAF KNKX 1421/1521 28007G17KT 9999 SKC QNH2998INS 
  BECMG 1504/1506 VRB04KT 9999 SCT025 QNH2996INS 
  FM150730 VRB04KT 9999 OVC020 QNH2993INS 
  BECMG 1515/1517 FEW025 QNH2991INS TX19/1520Z TN12/1513Z