WSHO31 MHTG 200320 MHTG SIGMET K1 VALID 200320/20720 MHTG- MHCC CENTRAL AMERICAN FIR EMBD TS OBS AT 0310Z WI N0641 W08945 -N1015 W08638 -N0945 W08240 -N0831 W08254 - N0409 W08303 -N0544 W08623 TOP FL500 MOV SW 05KT NC=