20 June 2017 - bulletin 328

Updated at 1445 GMT
Latest warnings for 02L and 03L

Tropical storm Bret / 02L
Warning 08 from NHC at 1500 GMT
Position 10.6N 62.9W
Location 315 miles E of Curacao
Movement 290° (WNW) at 18 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 125 miles of the centre
Minimum central pressure: 1008 mbar
Threatened landmasses ABC Islands, Venezuela, Colombia
Next warning from NHC at 1800 GMT

Bret is headed west along the north coast of Venezuela. Adverse atmospheric conditions will prompt a weakening trend, leading to dissipation north of Colombia.

Regional warnings
A tropical storm WARNING is in force for Isla de Margarita.
A tropical storm watch is in force for Aruba, Bonaire and Curacoa

Rainfall totals of 2 to 4 inches can be expected over the Windward Islands and northeastern Venezuela.

Potential Tropical Cyclone 03L
Warning 04 from NHC at 1500 GMT
Position 25.9N 90.5W
Location 265 miles S of Morgan City, Louisiana
Movement 320° (NW) at 9 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 205 miles to the north and east of the centre
Minimum central pressure: 999 mbar
Threatened landmasses Louisiana, Texas
Next warning from NHC at 1800 GMT

03L is moving north through the Gulf of Mexico. The system will likely become a subtropical cyclone with maximum sustained winds of 40 knots before making landfall along the Gulf coast of the southern USA.

The likelihood of this system becoming an actual tropical cyclone within the 48 hours and 5 days timeframes is HIGH (90%)

Regional warnings
A Tropical Storm Warning is in effect from Morgan, Louisiana, to the mouth of the Pearl River.

A Tropical Storm Watch is in effect from west of Cameron to High Island, Texas

Rainfall totals of 6 to 9, locally up to 12, inches can be expected in southeastern Louisiana, southern Mississippi and Alabama, and the western Florida Panhandle. Totals of 3 to 5 inches with isolated locally up to 6 inches can be expected farther west across southwest Louisiana into southeast Texas.

Inundations of 1 to 3 feet can occur as a result of storm surge in the warning area.

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