FTAF31 KWBC 081800 TAF TAF DIAP 081700Z 0818/0924 22008KT 8000 SCT012 TEMPO 0818/0824 TS BKN012 FEW020CB PROB40 TEMPO 0820/0823 4000 TSRA PROB40 TEMPO 0916/0920 TS BKN013 FEW020CB=