ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM LESTER INTERMEDIATE ADVISORY NUMBER 5A NATIONAL WEATHER SERVICE MIAMI FL 11 PM PDT THU OCT 15 1998 ...LESTER HEADING FOR THE COAST OF MEXICO... A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR THE COAST OF MEXICO FROM PUERTO ARISTA TO PUNTA MALDONALDO. HURRICANE WARNINGS MAY BE REQUIRED FOR PORTIONS OF THE WATCH AREA FRIDAY. A TROPICAL STORM WARNING REMAINS IN EFFECT EAST OF PUNTA MALDONALDO MEXICO TO SIPICATE GUATEMALA INTERESTS FROM PUNTA MALDONALDO TO ZIHUATANEJO SHOULD CLOSELY MONITOR THE PROGRESS OF LESTER. AT 11 PM PDT...0600Z...THE CENTER OF TROPICAL STORM LESTER WAS ESTIMATED NEAR LATITUDE 13.5 NORTH...LONGITUDE 93.6 WEST OR ABOUT 120 MILES...195 KM...SOUTHWEST OF TAPACHULA MEXICO. LESTER IS MOVING TOWARD THE NORTHWEST NEAR 7 MPH ...11 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH FRIDAY. ON THIS TRACK ...THE CENTER OF LESTER WILL BE GRADUALLY APPROACHING THE WARNING AND WATCH AREAS. LOCALLY HEAVY RAINS..ALREADY APPROACHING THE COAST...COULD PRODUCE LIFE- THREATENING FLASH FLOODS AND MUD SLIDES DURING THE NEXT DAY OR TWO. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH... 85 KM/HR...WITH HIGHER GUSTS. GRADUAL STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 60 MILES... 95 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. REPEATING THE 11 PM PDT POSITION...13.5 N... 93.6 W. MOVEMENT TOWARD...NORTHWEST NEAR 7 MPH. MAXIMUM SUSTAINED WINDS... 50 MPH. MINIMUM CENTRAL PRESSURE...1000 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 2 AM PDT...FRIDAY. AVILA NNNN