13 February 2016 - bulletin 99

Updated at 0920 GMT
Latest warnings for 11P and 12P
Disturbance update


SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Winston / 11P
Warning 06 from JTWC at 0300 GMT
Position 22.2S 171.8E
Location 446 miles SW of Suva, Fiji
Movement 170° (S) at 14 knots
Maximum sustained winds 105 knots gusting to 130 knots
Comparative strength: HURRICANE
Winds of 34 knots or higher occur within 120 to 145 miles of the centre
Winds of 64 knots or higher occur within 45 to 50 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 34 feet
Next warning from JTWC at 1500 GMT

Winston is moving south between Fiji and Vanuatu and will maintain current intensity, before adverse conditions prompt a weakening trend. Winston is expected to veer round to the northeast, passing between Fiji and Tonga, and will reintensify after two days or so, to 85 knots.

Tropical cyclone Tatiana / 12P
Warning 06 from JTWC at 0900 GMT
Position 21.8S 160.6E
Location 307 miles W of Noumea, New Caledonia
Movement 175° (S) at 8 knots
Maximum sustained winds 50 knots gusting to 65 knots
Comparative strength: Tropical storm
Winds of 34 knots or higher occur within 100 to 120 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 15 feet
Next warning from JTWC at 2100 GMT

Tatiana is moving south and will weaken. The storm is expected to dissipate within a day or so. 

TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 0500 GMT
System 99S
Position 11.4S 95.3E
Location 105 miles WNW of Cocos Island
Likelihood of tropical cyclone formation in the next 24 hours is HIGH