****0000000193**** WSCA31 MHTG 281130 MHTG SIGMET A3 VALID 281130/281530 MHTG- MHCC CENTRAL AMERICAN FIR FRQ TS OBS AT 1120Z WI N0758 WN08459 - N0851 W08358 - N0813 W08252 - N0607 W08257 TOP FL480 STNR WKN=