WSHO31 MHTG 010140 MHTG SIGMET A1 VALID 010140/010540 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0135Z WI N1353 W09323 - N1304 W09319 - N0954 W09613 - N1201 W09818 - N1259 W09500 TOP FL520 MOV W 10KT NC=