FTUS80 KWBC 181818 AAA
TAF AMD
KGFK 181815Z 1818/1918 35017G25KT P6SM OVC015
     FM182300 36015G25KT 5SM -SHRA OVC006
     FM190100 36016G27KT 4SM -SHRA BR OVC008
     FM190600 33016KT P6SM OVC006
     FM191500 33018KT P6SM OVC012
     FM191700 33017KT P6SM BKN023=