517 
FTUS43 KLOT 281720
TAFORD
TAF
KORD 281720Z 2818/2924 31015G25KT P6SM FEW030
     FM282230 32010KT P6SM FEW200
     FM290100 28004KT P6SM BKN200
     FM291500 20010KT P6SM OVC100
     FM291700 19012G19KT P6SM OVC050 PROB30 2917/2921 6SM -SN
      BKN030=