FTUS43 KGRB 170321 AAB TAFGRB TAF AMD KGRB 170321Z 1703/1724 11002KT P6SM SKC TEMPO 1703/1706 3SM BR SCT015 FM170600 16004KT 1SM BR SCT005 TEMPO 1708/1712 1/4SM FG VV002 FM171400 17009KT P6SM SCT002 FM171500 17011G19KT P6SM SCT120 FM171900 16014G24KT P6SM SCT250=