000 FTUS43 KGRR 172340 TAFBTL TAF KBTL 172340Z 1800/1824 31011G23KT 5SM -SN FEW016 BKN050 OVC070 FM180300 31008KT 6SM -SHSN OVC040 FM181200 31010KT P6SM VCSH OVC050 FM181400 32012G21KT P6SM -SN OVC025 FM181600 32013G21KT P6SM -SN OVC050=