ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM MADELINE ADVISORY NUMBER 6 NATIONAL WEATHER SERVICE MIAMI FL 8 AM PDT SAT OCT 17 1998 ...HURRICANE WARNINGS ISSUED... AT 8 AM PDT...1500Z..THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WARNING FOR THE MAINLAND OF MEXICO FROM MELAQUE TO MAZATLAN... INCLUDING THE ISLAS MARIAS. A HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF MAZATLAN TO LOS MOCHIS...AND ALONG THE SOUTHERN BAJA CALIFORNIA PENINSULA FROM LA PAZ SOUTHWARD. ALSO AT 8 AM PDT...THE TROPICAL STORM WARNING FOR THE BAJA CALIFORNIA PENINSULA HAS BEEN DISCONTINUED. AT 8 AM PDT...THE CENTER OF TROPICAL STORM MADELINE WAS LOCATED NEAR LATITUDE 19.9 NORTH...LONGITUDE 107.1 WEST OR ABOUT 100 MILES...160 KM...WEST-SOUTHWEST OF CABO CORRIENTES MEXICO. THIS POSITION IS ALSO ABOUT 115 MILES...160 KM...SOUTHWEST OF THE ISLAS MARIAS. MADELINE IS MOVING TOWARD THE EAST NORTHEAST NEAR 7 MPH...11 KM/HR...AND A GRADUAL TURN TOWARD THE NORTHEAST IS EXPECTED DURING THE NEXT 12 HOURS. ON THIS TRACK...THE CENTER OF MADELINE WILL MOVE OVER OR NEAR THE ISLAS MARIAS OR ADJACENT MAINLAND DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND MADELINE IS EXPECTED TO BECOME A HURRICANE LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. RAINFALL TOTALS OF 5 TO 10 INCHES ARE POSSIBLE IN ASSOCIATION WITH MADELINE. STORM TIDES OF 2 TO 4 FEET ABOVE NORMAL ASTRONOMICAL TIDES... ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...COULD OCCUR IN THE WARNED AREA. REPEATING THE 8 AM PDT POSITION...19.9 N...107.1 W. MOVEMENT TOWARD...EAST NORTHEAST NEAR 7 MPH. MAXIMUM SUSTAINED WINDS... 70 MPH. MINIMUM CENTRAL PRESSURE... 990 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 2 PM PDT. RAPPAPORT NNNN