KBGM 121750Z 1218/1318 30007KT P6SM SCT050
      TEMPO 1223/1303 3SM -TSRA BKN025CB
     FM130300 VRB03KT P6SM BKN100
     FM130700 VRB03KT P6SM BKN015
      TEMPO 1308/1312 BKN008