WSHO31 MHTG 182112 CCA
MHTG SIGMET B3 VALID 182110/190110 MHTG-
MHCC CENTRAL AMERICAN FIR FRQ TS OBS AT 2100Z
WI N1939 W08619 - N2011 W08521 - N1839 W08510 -
N1821 W08604 TOP FL460 MOV S 05KT NC=