FAMX21 MMMX 161203 AMD PRD/VALID 161203/170600 SYNOPSIS: JTST AXIS FL390 ALNG 27N105W 28N103W 29N100W MOV NE 17 KT MAX WIND 95 KT AFT 16/12Z OUT OF AREA.. ANOTHER JTST AXIS FL350 ALNG 26N120W 25N111W 25N103W MOV NNE 15 KT MAX WIND 140KT AT 16/18Z ALNG 28N120W 30N110W 25N095W MAX WIND 150 KT.. HIGH PRESR RIDGE ALNG 29N101W 22N099W 17N095W MOV SLOWLY ESE.. COLD FRONT ALNG 26N095W 25N097W MOV SE 15 KT AT 16/18Z ALNG 24N092W 21N094W.. SIG WX: WI AREA 30N102W 26N097W 23N097W 19N095W 17N096W 22N101W 30N102W BKN/OVC STSC FL010/FL015 UP TO FL080 WITH ISOL ZNS OF DZ TL 16/21Z AND AFT 16/21Z WI AREA 25N100W 25N097W 21N097W 18N093W 17N096W 21N100W 25N100W BKN SCCU FL015/FL020 UP TO FL080 WITH ISOL ZNS OF -DZ.. WI AREA 19N095W 19N092W 16N091W 16N093W 19N095W BKN/OVC CUSC FL020/FL030 UP TO FL080 WITH ISOL ZNS OF RA ALL PRD.. AFT 16/20Z WI 60NM BTHSDS LN 22N086W 19N088W ISOL CB/TSRA TOP FL450.. AFT 16/21Z WI 30NM BTHSDS LN 19N101W 19N098W ISOL CB/TSRA TOP FL400 TL 17/04Z.. WI 30NM BTHSDS LN MMSP 20N099W ISOL ZNS OF FG BTN 16/10Z AND 16/15Z.. WI 90NM BTHSDS LN 24N112W 29N107W BKN/OVC ACAS FL130/FL180 TL 16/18Z.. WI AREA 25N097W 26N095W 24N093W 19N093W 21N096W 25N097W BKN STSC FL010/FL015 UP TO FL080 TL 16/18Z.. AFT 16/18Z WI 60NM BTHSDS COLD FRONT ISOL CB/TSRA TOP FL400.. TURB: MOD/SEV WI 90NM BTHSDS JTST AXIS FL350 BTN FL420/FL260 ALL PRD.. ICE: MOD WI 90NM BTHSDS LN 24N112W 29N107W BTN FL120/FL160 TL 16/18Z.. FRZNG LVL: FL090/FL100 OVR NW PRTN RAISING GRDLY UP TO FL140/150 OVR CENTRAL PRTN AND RAISING GRDLY UP TO FL160/FL170 OVR RMNDR AREA.. VA: NIL..