851 WTNT34 KNHC 090241 TCPAT4 BULLETIN Tropical Storm Isaac Advisory Number 6 NWS National Hurricane Center Miami FL AL092018 1100 PM AST Sat Sep 08 2018 ...ISAAC STRENGTHENING OVER THE EASTERN TROPICAL ATLANTIC... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...14.4N 37.5W ABOUT 1580 MI...2540 KM E OF THE WINDWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Isaac was located near latitude 14.4 North, longitude 37.5 West. Isaac is moving toward the west near 8 mph (13 km/h). A westward motion with an increase in forward speed is expected during the next few days. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Additional strengthening is forecast during the next few days, and Isaac is expected to become a hurricane by Monday. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Cangialosi