ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN Tropical Storm Bret Intermediate Advisory Number 14A NWS National Hurricane Center Miami FL AL032023 800 PM AST Thu Jun 22 2023 ...CENTER OF BRET APPROACHING ST. VINCENT AND ST. LUCIA... ...HEAVY RAIN AND STRONG WINDS EXPECTED IN PORTIONS OF THE LESSER ANTILLES THROUGH TONIGHT... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 60.3W ABOUT 55 MI...90 KM SE OF ST. LUCIA ABOUT 60 MI...95 KM WNW OF BARBADOS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * St. Lucia A Tropical Storm Warning in in effect for... * Dominica * St. Lucia * Martinique * Barbados * St. Vincent and the Grenadines A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within the next 24 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 24 hours. Interests elsewhere in the Lesser Antilles should monitor the progress of Bret. Additional watches or warnings may be required later tonight. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM AST (0000 UTC), the center of Tropical Storm Bret was located near latitude 13.4 North, longitude 60.3 West. Bret is moving toward the west near 16 mph (26 km/h) and this general motion with an increase in forward speed is expected during the next few days. On the forecast track, the center of Bret is expected to move across the Windward Islands during the next several hours, and then move westward across the eastern and central Caribbean Sea Friday and Saturday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Gradual weakening is anticipated over the next couple of days, and the system is likely to dissipate over the central Caribbean Sea on Sunday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. Several automated stations on Martinique have recently reported sustained winds of 40-45 mph (65-70 km/h) and wind gusts of 50-60 mph (85-95 km/h). The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Bret can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and on the web at hurricanes.gov/text/MIATCDAT3.shtml WIND: Hurricane conditions are possible in the hurricane watch area this evening or tonight. Tropical storm conditions are expected within the tropical storm warning areas through tonight. RAINFALL: Storm total rainfall amounts of 3 to 6 inches with maximum amounts of 10 inches are possible across portions of the Lesser Antilles from Guadeloupe south to St Vincent and the Grenadines, including Barbados. The heavy rainfall could lead to flash flooding, especially across areas of higher terrain. Urban flooding is also possible. SURF: Swells generated by Bret are expected to affect portions of the Lesser Antilles through Friday. 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 1100 PM AST. $$ Forecaster Beven NNNN