WSHO31 MHTG 180125 MHTG SIGMET B1 VALID 180125/180525 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0120Z WI N1428 W08355 - N0929 W08425 - N0932 W08538 - N1318 W08539 TOP FL500 STNR NC=