12 August 2017 - bulletin 475

Updated at 2100 GMT
Latest warnings for 14W and 12E
Disturbance update


NORTHWESTERN PACIFIC OCEAN
TYPHOON Banyan / 14W
Warning 08 from JTWC at 2100 GMT
Position 20.5N 164.4E
Location 143 miles WNW of Wake Island
Movement 330° (NNW) at 6 knots
Maximum sustained winds 80 knots gusting to 100 knots
Winds of 34 knots or higher occur within 60 to 90 miles of the centre
Winds of 64 knots or higher occur within 15 to 20 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 21 feet
Next warning from JTWC at 2100 GMT

Banyan will move northnorthwest, later veering northnortheast. The system will intensify to 110 knots, before becoming extratropical.

EASTERN PACIFIC OCEAN
Tropical depression Jova / 12E
Warning 04 from NHC at 2100 GMT
Position 20.4N 113.1W
Location 175 miles NW of Socorro Island
Movement 280° (W) at 12 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 1005 mbar
Next warning from NHC at 2100 GMT

Jova will move westnorthwest, later west. Due to adverse conditions, the storm will weaken after today, and is expected to dissipate after a day or so.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 1200 GMT
System 99L
Position 23.0N 68.7W
Location 150 miles NE of the Turks & Caicos Islands
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (60%)
Likelihood of tropical cyclone formation within 5 days is HIGH (70%)

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