FCAS31 KWBC 171757 TAF TAF VIAR 171700Z 1718/1803 25005KT 5000 HZ NSC BECMG 1800/1802 VRB02KT 4000 HZ FEW100= TAF VIDP 171700Z 1718/1803 25005KT 4000 HZ NSC BECMG 1800/1802 3000 HZ=