WSGY31 SYCJ 061520 SYGC SIGMET A2 VALID 061515/061915 SYCJ - SYGC GEORGETOWN FIR ISOL EMBD TS OBS AT 1515Z WI N0731 W05957 - N0605 W05730 - N0402 W05814 - N0636 W06040 - N0731 W05957 TOP FL500 MOV W INTSF=