WSCA1 MHTG 181230
MHTG SIGMET E1 VALID 181230/181630 MHTG-
MHTG CENTRAL AMERICAN FIR EMBD TS OBS AT 1215Z
WI N1223 W09719 - N1302 W09458 - N1433 W09223  
N1031 W09507 - N1150 W09549 FL500 MOV SW 05KT INTSF=