ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE ISIS INTERMEDIATE ADVISORY NUMBER 6A NATIONAL WEATHER SERVICE MIAMI FL 11 PM PDT WED SEP 02 1998 ...HURRICANE INLAND OVER NORTHWEST MEXICO NEAR LOS MOCHIS... 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 11 PM PDT...0600Z...SATELLITE IMAGERY AND RADAR DATA FROM THE WEATHER SERVICE OF MEXICO INDICATE THAT THE CENTER OF HURRICANE ISIS WAS LOCATED NEAR LATITUDE 25.8 NORTH...LONGITUDE 109.1 WEST OR ABOUT 10 MILES ...15 KM...SOUTHWEST OF LOS MOCHIS MEXICO. ISIS IS MOVING TOWARD THE NORTH NEAR 10 MPH...16 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 11 PM PDT POSITION...25.8 N...109.1 W. MOVEMENT TOWARD...NORTH NEAR 10 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 990 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 2 AM PDT...THURSDAY. GUINEY NNNN