WSHO31 MHTG 040040 MHTG SIGMET D1 VALID 040040/040440 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0030Z WI N0533 W08259 - N0748 W08255 - N0712 W08425 - N0552 W08359 TOP FL460 STNR WKN=