ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE ISIS ADVISORY NUMBER 6 NATIONAL WEATHER SERVICE MIAMI FL 8 PM PDT WED SEP 02 1998 ...HURRICANE ISIS MAKING LANDFALL NEAR LOS MOCHIS MEXICO... A HURRICANE WARNING REMAIN IN EFFECT FOR MAINLAND MEXICO FROM EL DORADO TO BAHIA KINO AND FOR THE EAST SIDE OF BAJA CALIFORNIA FROM DOLORES TO PUNTA SAN GABRIEL. A TROPICAL STORM WARNING IS IN EFFECT FOR THE WEST SIDE OF BAJA CALIFORNIA FROM PUERTO CORTEZ TO PUNTA EUGENIA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE HURRICANE WARNING AREA. SMALL CRAFT FROM MANZANILLO NORTHWESTWARD TO THE WARNING AREA SHOULD REMAIN IN PORT UNTIL WINDS AND SEAS SUBSIDE. AT 8 PM PDT...0300Z...SATELLITE IMAGERY AND RADAR DATA FROM THE WEATHER SERVICE OF MEXICO INDICATE THAT THE CENTER OF HURRICANE ISIS WAS LOCATED NEAR LATITUDE 25.6 NORTH...LONGITUDE 109.1 WEST OR ABOUT 5 MILES ...10 KM...SOUTH OF LOS MOCHIS. ISIS IS MOVING TOWARD THE NORTH NEAR 12 MPH ...19 KM/HR... WITH A GRADUAL TURN TOWARDS THE NORTH-NORTHWEST EXPECTED ON THURSDAY. ISIS IS MOVING TOWARD THE NORTH NEAR 12 MPH...19 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT WITH A POSSIBLE GRADUAL TURN TOWARD THE NORTH-NORTHWEST. ON THIS TRACK...THE CENTER OF ISIS WILL MOVE INLAND THROUGH THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. SOME GRADUAL WEAKENING 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 175 MILES...280 KM...MAINLY SOUTHEAST OF THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. A STORM SURGE OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS IS POSSIBLE IN THE WARNING AREA...ACCOMPANIED BY BATTERING WAVES. LARGE WAVES AND ROUGH SEAS CAN ALSO BE EXPECTED ALONG PORTIONS OF THE COAST TO THE SOUTH OF THE WARNING AREAS...AND SMALL CRAFT THERE SHOULD REMAIN IN PORT UNTIL WINDS AND SEAS SUBSIDE. RAINFALL TOTALS OF 5 TO 10 INCHES...WITH LOCALLY HIGHER AMOUNTS... ARE POSSIBLE IN THE WARNING AREA...AND COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. REPEATING THE 8 PM PDT POSITION...25.6 N...109.1 W. MOVEMENT TOWARD...NORTH NEAR 12 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 990 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...THURSDAY. GUINEY NNNN