TAF KNGU 0307/0407 VRB06KT 9999 FEW020 SCT040 SCT250 QNH3019INS 
  BECMG 0315/0317 09010KT 9999 SCT045 SCT250 QNH3021INS 
  BECMG 0400/0402 13010KT 9999 SCT050 SCT270 QNH3010INS TX28/0318Z TN21/0309Z FN00266