UBCA90 KWBC 271610 CA 271610 SFO UA /OV SFO/TM 1606/FL020/TP B789/RM 5 MILE FINAL RUNWAY 28R TOPS 040 SECOND LAYER 020 OVERCAST= TOA UA /OV 3 E TOA/TM 1603/FL015/TP PRM1/SK BKN015/RM TOPS020=