WOBZ24 SBCW 170833 SBCW SIGMET 4 VALID 170830/171030 SBCW - SBCW CURITIBA FIR EMBD TS FC ST WI S2644 W04346 - S2313 W04553 - S2246 W04546 - S2029 W04404 - S2030 W04347 - S2021 W04329 - S2013 W04321 - S2036 W04201 - S2041 W04049 - S2052 W04034 - S2056 W04016 - S2044 W03949 - S2224 W03809 - S2644 W0 4346 TOP FL420 MOV ENE 05KT NC=