FTXX60 KWBC 121557
TAF
TAF KGRK 121600Z 1216/1322 15015G20KT 9999 SKC QNH2986INS BECEMG
      1300/1301 18010KT 9999 SKC QNH2987INS
      BECMG 1312/1313 20015G20KT 9999 SKC QNH2987INS TX33/1222Z
      TN25/1216Z=