9 April 2017 - bulletin 177

Updated at 1520 GMT
Latest warning for 16P


SOUTHERN INDIAN OCEAN
Tropical cyclone Ernie / 15S
Warning 07 from JTWC at 0900 GMT
Position 17.4S 107.6E
Location 470 miles NW of Learmonth, Australia
Movement 240° (WSW) at 8 knots
Maximum sustained winds 85 knots gusting to 105 knots
Comparative strength HURRICANE
Winds of 34 knots or higher occur within 65 to 115 miles of the centre
Winds of 64 knots or higher occur within 15 to 30 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 28 feet
Next warning from JTWC at 2100 GMT

Ernie is weakening and will continue to move southwest, until it  dissipates within three days.

SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Cook / 16P
Warning 04 from JTWC at 1500 GMT
Position 18.4S 166.7E
Location 225 miles N of Noumea, New Caledonia
Movement 235° (SW) at 7 knots
Maximum sustained winds 70 knots gusting to 85 knots
Comparative strength HURRICANE
Winds of 34 knots or higher occur within 75 to 155 miles of the centre
Winds of 64 knots or higher occur within 25 to 45 miles of the centre
Threatened landmasses New Caledonia
Maximum significant wave height 22 feet
Next warning from JTWC at 0300 GMT

Cook will move southwest, later southeast. The storm is intensifying rapidly, and could peak at 95 knots. This will coincide with its passage across New Caledonia. After this, Cook will become extra-tropical.

Regional warnings
The Vanuatu Met Office advises that the ALL CLEAR has been declared for all provinces. 

Meteo France (New Caledonia) (in French) advises that Cyclonic Alert n° 1 is now in force for the islands' province, the Nord province and the communities of Thio and Bourail. The Pre-Alert remains in force for the rest of New Caledonia. Please note that at midday local time (Monday 10th April), these alerts will be extended and, in places augmented to Alert 2. It is imperative to check the above link for details.

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