000 FAUS21 KZOB 182120 ZOB1 CWA 182120 ZOB CWA 103 VALID UNTIL 182150 28ESE EWC ISOL SEV TS...DIAM 22 NM...MOVING FROM 27010KT. TOPS TO FL290. CONTAINS EXTRM RAINFALL AND GROUND OBSERVER REPORTED 1 INCH DIAM HAIL WITH THIS TS. TREND...GRADUAL DCR. SEE CONVECTIVE SIGMET 63E ABT OTHER TS. =