Issued at 1520 GMT
Latest warning for 09L, 11L, 10E and 18W
First warning for 19W
Disturbance update
NORTHERN ATLANTIC OCEAN
HURRICANE Helene / 09L
Warning 13 from NHC at 1500 GMT
Position 24.2N 86.2W
Location 290 miles S of Apalachicola, Florida
Movement 025° (NNE) at 12 knots
Maximum sustained winds 90 knots gusting to 110 knots
Winds of 34 knots or higher occur within 345 miles of the centre
Winds of 64 knots or higher occur within 60 miles of the centre
Threatened landmasses Cuba, Florida, Georgia, Carolinas
Minimum central pressure 960 mbar
Next warning from NHC at 1800 GMT
Regional warnings
Tropical storm Isaac / 10L
Warning 03 from NHC at 1500 GMT
Position 37.3N 51.7W
Location 820 miles ENE of Bermuda
Movement 080° (E) at 10 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 Azores
Minimum central pressure 997 mbar
Next warning from NHC at 1500 GMT
EASTERN PACIFIC OCEAN
HURRICANE John / 10E
Warning 15 from NHC at 1500 GMT
Position 17.1N 102.5W
Location 50 miles SW of Lazaro Cardenas, Mexico
Movement 310° (NW) at 5 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 140 miles of the centre
Winds of 64 knots or higher occur within 10 miles of the centre
Threatened landmasses Mexico
Minimum central pressure 979 mbar
Next warning from NHC at 1800 GMT
NORTHWESTERN PACIFIC OCEAN
Tropical depression Cimaron / 18W
Warning 09 from JTWC at 1500 GMT
Position 28.1N 131.9E
Location 239 miles ENE of Kadena AB, Okinawa
Movement 285° (WNW) at 4 knots
Maximum sustained winds 25 knots gusting to 35 knots
Threatened landmasses NONE
Minimum central pressure 1004 mbar
Maximum significant wave height 12 feet
Next warning from JTWC at 2100 GMT
Tropical depression 19W
Warning 01 from JTWC at 1500 GMT
Position 17.2N 146.8E
Location 550 miles SSE of Iwo To
Movement 360° (N) at 6 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 1004 mbar
Maximum significant wave height 13 feet
Next warning from JTWC at 2100 GMT
TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 1200 GMT
System 98L
Position 15.3N 37.7W
Minimum central pressure 1008 mbar
Likelihood of tropical cyclone formation within 48 hours is HIGH (80%)
Likelihood of tropical cyclone formation within 7 days is HIGH (90%)
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1500 GMT
System 95W is now 19W
System 97W
Position 24.5N 126.4E
Location 135 miles SSW of Kadena AB, Okinawa
Likelihood of tropical cyclone formation within 24 hours is LOW
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