WSHO31 MHTG 190230 MHTG SIGMET B1 VALID 190230/190630 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0220Z WI N0843 W09951 - N1143 W09924 - N1240 W09607 - N0850 W09407 - N0711 W09525 TOP FL500 MOV W 05KT INTSF=