27 September 2024 - bulletin 609

Issued at 2145 GMT
Latest warnings for 10L, 11L, 19W and 20W
Final warnings for 09L and 10E

NORTHERN ATLANTIC OCEAN
Post-tropical cyclone Helene / 09L
Warning 18 from NHC at 2100 GMT
Position 37.5N 85.5W
Location 50 miles SSE of Louisville, Kentucky
Movement 330° (NNW) at 15 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Central USA
Minimum central pressure 984 mbar
Next warning from WPC at 0000 GMT

Regional warnings

HURRICANE Isaac / 10L
Warning 08 from NHC at 2100 GMT
Position 37.8N 45.3W
Location 995 miles W of the Azores
Movement 080° (E) at 14 knots
Maximum sustained winds 75 knots gusting to 90 knots
Winds of 34 knots or higher occur within 90 miles of the centre
Winds of 64 knots or higher occur within 15 miles of the centre
Threatened landmasses Azores
Minimum central pressure 976 mbar
Next warning from NHC at 0300 GMT

Regional warnings

Tropical storm Joyce / 11L
Warning 02 from NHC at 2100 GMT
Position 18.6N 44.0W
Location 1250 miles E of northern Leeward Islands
Movement 305° (NW) at 11 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1001 mbar
Next warning from NHC at 0300 GMT

EASTERN PACIFIC OCEAN
Remnants of John / 10E

Warning 20 from NHC at 2100 GMT
Position 18.5N 103.5W
Location 90 miles WNW of Lazaro Cardenas, Mexico
Movement 315° (NW) at 4 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Mexico
Minimum central pressure 1002 mbar
FINAL WARNING

Mexican warnings

NORTHWESTERN PACIFIC OCEAN
Tropical storm Jebi / 19W
Warning 06 from JTWC at 2100 GMT
Position 19.4N 144.5E
Location 370 miles SSE of Iwo To
Movement 340° (NNW) at 8 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 45 to 65 miles to the east of the centre
Threatened landmasses NONE
Minimum central pressure 1001 mbar
Maximum significant wave height 12 feet
Next warning from JTWC at 0300 GMT

Tropical storm 20W
Philippines name Julian
Warning 03 from JTWC at 2100 GMT
Position 19.1N 125.7E
Location 382 miles NE of Manila, Philippines
Movement 200° (SSW) at 8 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 40 miles to the west of the centre
Threatened landmasses Philippines
Minimum central pressure 1000 mbar
Maximum significant wave height 14 feet
Next warning from JTWC at 0300 GMT

Philippines warnings

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