529 WTNT34 KNHC 082048 TCPAT4 BULLETIN Tropical Storm Isaac Advisory Number 5 NWS National Hurricane Center Miami FL AL092018 500 PM AST Sat Sep 08 2018 ...TROPICAL DEPRESSION NINE BECOMES TROPICAL STORM ISAAC... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...14.5N 36.6W ABOUT 1640 MI...2640 KM E OF THE WINDWARD ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Tropical Storm Isaac was located near latitude 14.5 North, longitude 36.6 West. Isaac is moving toward the west near 7 mph (11 km/h). A westward motion with an increase in forward speed are expected during the next few days. Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Additional strengthening is forecast during the next few days, and Isaac could become a hurricane by Monday. Tropical-storm-force winds extend outward up to 60 miles (95 km) from 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 Beven