ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM IDA ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102015 500 PM AST TUE SEP 22 2015 ...IDA FORECAST TO LINGER FOR SEVERAL DAYS... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...20.5N 47.8W ABOUT 1010 MI...1625 KM ENE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...ESE OR 115 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the center of Tropical Storm Ida was located near latitude 20.5 North, longitude 47.8 West. Ida is moving toward the east-southeast near 5 mph (7 km/h), and this general motion with a decrease in forward speed is expected during the next day or two. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Little change in strength is forecast during the next 48 hours. Tropical storm force winds extend outward up to 205 miles (335 km) primarily to the southeast of the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Avila NNNN