000 FTUS43 KGRB 181737 TAFGRB TAF KGRB 181737Z 1818/1918 24007KT P6SM VCSH OVC035 FM182000 24007KT P6SM -SHRA OVC025 FM190200 25006KT P6SM BKN050 FM190300 27007G16KT P6SM SCT080 FM190600 27008G18KT P6SM SKC FM191400 27019G30KT P6SM SCT120=