****0000000197**** WSCA31 MHTG 280150 MHTG SIGMET A1 VALID 280150/280550 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0140Z WI N0559 W09013 - N0914 W08553 - N0649 W08345 - N0502 W08446 TOP FL500 STNR NC=