ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN Hurricane Dorian Advisory Number 23 NWS National Hurricane Center Miami FL AL052019 1100 PM AST Thu Aug 29 2019 ...HURRICANE HUNTER AIRCRAFT FIND A STRENGTHENING DORIAN... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...23.3N 68.4W ABOUT 295 MI...470 KM ENE OF THE SOUTHEASTERN BAHAMAS ABOUT 580 MI...930 KM E OF THE NORTHWESTERN BAHAMAS MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the northwestern and central Bahamas should monitor the progress of Dorian. Watches may be required for portions of this area on Friday. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Hurricane Dorian was located near latitude 23.3 North, longitude 68.4 West. Dorian is moving toward the northwest near 12 mph (19 km/h), and this general motion is expected to continue through Friday. A west-northwestward to westward motion is forecast to begin by Friday night and continue into the weekend. On this track, Dorian should move over the Atlantic well east of the southeastern and central Bahamas tonight and on Friday, approach the northwestern Bahamas Saturday, and move near or over portions of the northwest Bahamas on Sunday. Maximum sustained winds have increased to near 105 mph (165 km/h) with higher gusts. Dorian is expected to become a major hurricane on Friday and remain an extremely dangerous hurricane through the weekend. Hurricane-force winds extend outward up to 25 miles (35 km) from the center, and tropical-storm-force winds extend outward up to 105 miles (165 km). The latest minimum central pressure estimated from Hurricane Hunter data is 977 mb (28.85 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Dorian is expected to produce the following rainfall accumulations this weekend into early next week: The central Bahamas...1 to 2 inches, isolated 4 inches. The northwestern Bahamas...3 to 5 inches, isolated 7 inches. Coastal sections of the Southeast United States...5 to 10 inches, isolated 15 inches. This rainfall may cause life-threatening flash floods. SURF: Swells are likely to begin affecting the east-facing shores of the Bahamas and the southeastern United States coast during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Blake NNNN