ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE MADELINE ADVISORY NUMBER 12 NATIONAL WEATHER SERVICE MIAMI FL 8 PM PDT SUN OCT 18 1998 ...MADELINE BATTERING ISLAS MARIAS MEXICO... AT 8 PM PDT...0300Z... THE GOVERNMENT OF MEXICO HAS DISCONTINUED HURRICANE WARNINGS FROM MELAQUE TO JUST SOUTHEAST OF CABO CORRIENTES MEXICO. HURRICANE WARNINGS HAVE BEEN EXTENDED NORTHWESTWARD FROM MAZATLAN TO EL DORADO MEXICO. A HURRICANE WARNING NOW EXTENDS FROM CABO CORRIENTES TO EL DORADO MEXICO INCLUDING THE ISLAS MARIAS. A HURRICANE WATCH IS IN EFFECT FROM NORTHWEST OF EL DORADO TO LOS MOCHIS...AND ALONG THE SOUTHERN BAJA CALIFORNIA PENINSULA FROM LA PAZ SOUTHWARD. AT 8 PM PDT...0300Z...THE CENTER OF HURRICANE MADELINE WAS LOCATED NEAR LATITUDE 21.3 NORTH...LONGITUDE 106.5 WEST OR JUST SOUTH OF ISLAS MARIAS MEXICO OR ABOUT 135 MILES ...220 KM...SOUTH OF MAZATLAN. MADELINE IS MOVING TOWARD THE NORTH NEAR 3 MPH ... 6 KM/HR... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT. ON THIS TRACK THE CENTER MADELINE WILL MOVE OVER ISLAS MARIAS IN THE NEXT FEW HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES... 45 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 979 MB...28.91 INCHES. RAINFALL TOTALS OF 10 TO 15 INCHES...LOCALLY HIGHER OVER MOUNTAINOUS AREAS...ARE POSSIBLE IN ASSOCIATION WITH MADELINE. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. STORM TIDES OF 2 TO 4 FEET ABOVE NORMAL ASTRONOMICAL LEVELS... ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...COULD OCCUR IN THE WARNED AREA. REPEATING THE 8 PM PDT POSITION...21.3 N...106.5 W. MOVEMENT TOWARD...NORTH NEAR 3 MPH. MAXIMUM SUSTAINED WINDS... 85 MPH. MINIMUM CENTRAL PRESSURE... 979 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 PM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 2 AM PDT...MONDAY. JARVINEN NNNN