WSCA01 MHTG 042300 MHTG SIGMET 2 VALID 042200/050400 MHTG- FIR CENTROAMERICA ACT TS BTN N20.15 W82.57 N20.03 W86.21 N14.15 W92.32 N9.53 W85.43 FRQ CB/TCU TOP FL340 SEV TURB MOV. W BTN FL340/440 INTSF=