FAMX21 MMMX 270407 VALID 270600/280600 SYNOPSIS: INVTD TROUGH AXIS FL050 OVR GLFMEX ALNG LN 25N094W 19N093W MOV W 10KT.. ANOTHER INVTD TROUGH AXIS FL100 OVR YUCATAN PEN ALNG 21N088W 15N089W MOV W 10KT.. SIG WX: WI 120NM BTHSDS INVTD TROUGH AXIS FL050 ISOL CB/TSRA TOP FL450 ALL PRD.. WI 180NM W AND 120NM E INVTD TROUGH AXIS FL100 ISOL CB/TSRA FL520 ALL PRD..WI 60NM BTHSDS LN 18N BTN 101W/097W ISOL CB/TSRA TOP FL420 AFT 20Z..WI 120NM BTHSDS LN 100W BTN 26N/18N BKN/OVC STSC FL010/FL020 UP TO FL040 AND ISOL BCFG TIL 15Z.. TURB: NIL.. ICE: NIL.. FZ LVL: FL140/FL150 OVR NE, N AND CENTRAL PRTN AREA AND RAISING GRDLY UP TO FL155/FL165 OVR RMNDR AREA.. VA: POPOCATEPETL VOLCANO CONTINUOUS VOLCANIC ASH EXHALATION. SEE LATEST SIGMET..