WOCO01 SKBO 301800 SKED SIGMET 4 VALID 301844/302144 SKBO- SKED BOGOTA FIR EMBD TS OBS AT 1824Z WI N0152 W07024 - N0149 W06823 - N0422 W07017 - N0604 W06911 - N0654 W07146 - N0406 W07313 - N0152 W07024 TOP FL510 MOV WSW 14KT INTSF=