ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ISIS ADVISORY NUMBER 8 NATIONAL WEATHER SERVICE MIAMI FL 8 AM PDT THU SEP 03 1998 ...ISIS BRINGING HEAVY RAINS TO NORTHWESTERN MEXICO... AT 8 AM PDT...1500Z...TROPICAL STORM WARNINGS REMAIN IN EFFECT FROM LOS MOCHIS TO GUAYMAS MEXICO. WARNINGS MAY BE LOWERED LATER TODAY. AT 8 AM PDT...1500Z...THE CENTER OF TROPICAL STORM ISIS WAS LOCATED NEAR LATITUDE 27.3 NORTH...LONGITUDE 109.3 WEST OR ABOUT 105 MILES...165 KM...NORTH OF LOS MOCHIS MEXICO. ISIS IS MOVING TOWARD THE NORTH NEAR 9 MPH ...15 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 12 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH... 85 KM/HR...WITH HIGHER GUSTS. WEAKENING IS FORECAST DURING THE NEXT 12 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 60 MILES ... 95 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES. RAINFALL TOTALS OF 5 TO 10 INCHES...WITH LOCALLY HIGHER AMOUNTS ...ARE POSSIBLE ALONG THE PATH OF ISIS...AND COULD CAUSE LIFE- THREATENING FLASH FLOODS AND MUDSLIDES. REPEATING THE 8 AM PDT POSITION...27.3 N...109.3 W. MOVEMENT TOWARD...NORTH NEAR 9 MPH. MAXIMUM SUSTAINED WINDS... 50 MPH. MINIMUM CENTRAL PRESSURE... 998 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. JARVINEN NNNN