****0000000184**** WSCA31 MHTG 271355 MHTG SIGMET A4 VALID 271355/271955 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 1300Z WI N0514 W09049 N0648 W08837 N0236 W08441 N0125 W08810 TOP FL500 STNR NC=