WVHO31 MHTG 030612 MHTG SIGMET A2 VALID 030612/031212 MHTG- MHCC CENTRAL AMERICAN FIR VA SANTA MARIA PSN N1445 W09133 VA CLD OBS 0530Z SFC/FL140 N1447 W09133 - N1444 W09131 - N1425 W09150 - N1441 W09159 - N1447 W09133 FCST 1130Z SFC/FL140 N1447 W09131 - N1420 W09118 - N1418 W09139 - N1446 W09135 - N1447 W09131=