ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM IVAN ADVISORY NUMBER 27 NATIONAL WEATHER SERVICE MIAMI FL 11 PM AST SAT SEP 26 1998 ...IVAN WEAKENING AS IT RACES EASTWARD OVER THE FAR EAST CENTRAL ATLANTIC... AT 11 PM AST...0300Z...THE CENTER OF TROPICAL STORM IVAN WAS LOCATED NEAR LATITUDE 40.7 NORTH...LONGITUDE 23.8 WEST OR ABOUT 250 MILES MILES...400 KM...NORTHEAST OF LPEA LAJES IN THE AZORES ISLANDS. IVAN IS MOVING TOWARD THE EAST NEAR 35 MPH ...56 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT 24 HOURS AS THE SYSTEM BECOMES EXTRA-TROPICAL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. REPEATING THE 11 PM AST POSITION...40.7 N... 23.7 W. MOVEMENT TOWARD...EAST NEAR 39 MPH. MAXIMUM SUSTAINED WINDS... 70 MPH. MINIMUM CENTRAL PRESSURE... 990 MB. THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. PLEASE CONSULT THE NORTH ATLANTIC SHIPPING BULLETIN...WMO HEADER FPNT EGRR...ISSUED BY THE UNITED KINGDOM METEOROLOGICAL OFFICE FOR FURTHER INFORMATION CONCERNING THIS SYSTEM. GUINEY STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN