000 WTNT43 KNHC 071446 TCDAT3 TROPICAL STORM MARCO DISCUSSION NUMBER 5 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL132008 1100 AM EDT TUE OCT 07 2008 HIGH-RESOLUTION VISIBLE SATELLITE IMAGERY INDICATES THAT MARCO HAS MADE LANDFALL AND THE CENTER IS JUST INLAND OF THE COAST OF CENTRAL MEXICO. THE MOTION HAS BEEN AROUND 270/6 OVER THE PAST FEW HOURS...AND A GENERAL WESTWARD TO WEST-NORTHWESTWARD HEADING IS EXPECTED TO CONTINUE TODAY AND TONIGHT. SINCE THE MOUNTAINS OVER CENTRAL MEXICO ARE QUITE HIGH...RAPID WEAKENING IS EXPECTED. A 24 HOUR FORECAST POSITION IS SHOWN BUT IT IS DOUBTFUL THAT A WELL-DEFINED SURFACE CIRCULATION WILL LAST THAT LONG. IN FACT...MARCO COULD DISSIPATE TONIGHT OR VERY EARLY WEDNESDAY. STILL...THE REMNANTS OF MARCO COULD PRODUCE VERY HEAVY RAINS OVER EASTERN PORTIONS OF CENTRAL MEXICO DURING THE NEXT DAY OR SO. FORECAST POSITIONS AND MAX WINDS INITIAL 07/1500Z 19.9N 96.6W 55 KT...INLAND 12HR VT 08/0000Z 20.3N 97.9W 35 KT...INLAND 24HR VT 08/1200Z 20.3N 98.8W 20 KT...REMNANT LOW 36HR VT 09/0000Z...DISSIPATED $$ FORECASTER RHOME/PASCH