WSHO31 MHTG 080425 MHTG SIGMET F2 VALID 080425/080825 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0420Z WI N0854 W09029 - N1232 W08559 - N1019 W08301 - N0441 W08258 TOP FL520 MOV SW 05-10KT INTSF=