WSHO31 MHTG 060030 MHTG SIGMET A1 VALID 060030/060430 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0020Z WI N1605 W09153 - N1603 W09049 - N1415 W09117 - N1432 W09214 TOP FL500 MOV S 05KT INTSF=