000 FTUS41 KBTV 231720 TAFBTV TAF KBTV 231720Z 2318/2418 19017G28KT P6SM FEW250 FM240200 19012KT P6SM OVC080 FM240800 18009KT 6SM -RA BR OVC040 FM241400 25009G15KT 4SM -RA BR SCT008 OVC012=