30 August 2016 - bulletin 541

Updated at 2100 GMT
Latest warnings for 07L, 08L, 09L, 13E and 14E
Final warning for 12W
Disturbance updates


NORTHERN ATLANTIC OCEAN
HURRICANE Gaston / 07L
Warning 33 from NHC at 2100 GMT
Position 32.6N 51.9W
Location 1445 miles W of the Azores
Movement 065° (ENE) at 9 knots
Maximum sustained winds 95 knots gusting to 115 knots
Winds of 34 knots or higher occur within 150 miles of the centre
Winds of 64 knots or higher occur within 45 miles of the centre
Threatened landmasses Azores
Minimum central pressure 964 mbar
Next warning from NHC at 0300 GMT

Gaston is moving eastnortheast and will weaken gradually after tomorrow as it heads towards the Azores. After passing that archipelago, the storm will be absorbed by an extra-tropical area of low pressure.

Tropical depression 08L
Warning 10 from NHC at 2100 GMT
Position 34.4N 75.1W
Location 60 miles SSE of Cape Hatteras, North Carolina
Movement 020° (NNE) at 4 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses North Carolina
Minimum central pressure 1011 mbar
Next warning from NHC at 0000 GMT

08L is passing the Outer Banks of North Carolina. The system will intensify to a tropical storm by tomorrow, and will curve northeast. 08L will be absorbed by a front after 3 days.

Regional warnings
A tropical storm WARNING is in force for the North Carolina coast from Cape Lookout to Oregon Inlet as well as Pamlico Sound.
Rainfall totals of 1 to 3 inches, locally up to 5 inches, can be expected over eastern NC, including the Outer Banks.

Tropical depression 09L
Warning 09 from NHC at 2100 GMT
Position 24.4N 87.3W
Location 345 miles W of Key West, Flori0da
Movement 320° (NW) at 4 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Cuba, Florida
Minimum central pressure 1004 mbar
Next warning from NHC at 0300 GMT

09L will move west, later north. The system will intensify and pass across northern Florida before reemerging into the Atlantic by the weekend.

Regional warnings
A hurricane watch is in force from Anclote River to Indian Pass
A tropical storm watch is in force from west of Indian Pass to the Walton / Bay county line
Rainfall of 2 to 4 inches, totalling up to 20 inches, can be expected over Cuba. This could cause flash floods and mudslides. Rainfall totals of 5 to 10 inches, locally 15 inches, can be expected over Florida. Localised (flash) flooding is possible as a result.

EASTERN PACIFIC OCEAN

HURRICANE Lester / 13E
Warning 25 from NHC at 2100 GMT
Position 17.8N 135.6W
Location 1280 miles E of Hilo, Hawaii
Movement 275° (W) at 12 knots
Maximum sustained winds 105 knots gusting to 130 knots
Winds of 34 knots or higher occur within 90 miles of the centre
Winds of 64 knots or higher occur within 35 miles of the centre
Threatened landmasses Hawaii
Minimum central pressure 961 mbar
Next warning from NHC at 0300 GMT

Lester will continue to move west, and will now gradually weaken over the next few days. The storm will pass to the north of Hawaii. 

Warnings on Lester will be issued by CPHC once it moves west of 140W.

CENTRAL PACIFIC OCEAN
HURRICANE Madeline / 14E
Warning 17 from CPHC at 2100 GMT
Position 19.3N 149.4W
Location 370 miles E of Hilo, Hawaii
Movement 270° (W) at 9 knots
Maximum sustained winds 100 knots gusting to 125 knots
Winds of 34 knots or higher occur within 125 miles of the centre
Winds of 64 knots or higher occur within 25 miles of the centre
Threatened landmasses Hawaii
Minimum central pressure 967 mbar
Next warning from CPHC at 0000 GMT

Madeline will move westnorthwest and is weakening as it approaches Hawaii. The storm will still at hurricane force on passing the Big Island.

Hawaiian warnings
A HURRICANE WARNING is in force for Hawaii county
A tropical storm watch is in force for Maui county, including the islands of Maui Molokai and Lanai
Damaging surf is expected over the Hawaiian islands in days to come
Rainfall totals of 5 to 10, locally 15, inches can be expected over the Big Island. This could give rise to flash floods and mudslides.

NORTHWESTERN PACIFIC OCEAN
Tropical depression Lionrock / 12W
Warning 52 from JTWC at 2100 GMT
Position 43.3N 137.3E
Location 246 miles NW of Misawa, Japan
Movement 320° (NW) at 35 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Manchuria
Maximum significant wave height 14 feet
FINAL WARNING

Lionrock can no longer be described as a coherent tropical cyclone as it heads for southeastern Russia.  

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 92L
Position 15.9N 18.0W
Likelihood of tropical cyclone formation within 48 hours is LOW (0%)
Likelihood of tropical cyclone formation within 5 days is MEDIUM (40%)

CENTRAL PACIFIC OCEAN
Update from CPHC at 1200 GMT
System 92C
Position 15.2N 162.2W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)