10 April 2017 - bulletin 179

Updated at 0900 GMT
Latest warning for 16P
Final warning for 15S
Disturbance update



SOUTHERN INDIAN OCEAN
Tropical cyclone Ernie / 15S
Warning 09 from JTWC at 0900 GMT
Position 18.7S 103.0E
Location 660 miles WNW of Learmonth, Australia
Movement 245° (WSW) at 12 knots
Maximum sustained winds 40 knots gusting to 50 knots
Comparative strength Tropical storm
Winds of 34 knots or higher occur within 50 to 65 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 15 feet
FINAL WARNING

Ernie is weakening and will continue to move southwest as it dissipates shortly.

SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Cook / 16P
Warning 05 from JTWC at 0300 GMT
Position 20.3S 165.8E
Location 109 miles N of Noumea, New Caledonia
Movement 200° (SSW) at 11 knots
Maximum sustained winds 85 knots gusting to 105 knots
Comparative strength HURRICANE
Winds of 34 knots or higher occur within 80 to 135 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 1500 GMT

Cook is currently traversing New Caledonia at peak intensity. The storm will continue to move south, later southeast, and will start to weaken after today. Cook is expected to be extra-tropical on approach to New Zealand on Thursday (GMT).

Regional warnings
Meteo France (New Caledonia) (in French) advises that Cyclonic Alert n° 2 is now in force across the territory, with the exception of Belep and Maré. It is imperative to check the above link for details.

TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 1800 GMT yesterday
System 96S
Position 8.0S 132.9E
Location 295 miles NNE of Darwin, Australia
Likelihood of tropical cyclone formation within 24 hours is now HIGH

Australian warnings
Updated for 0700 GMT
A tropical cyclone WARNING is in force from Croker Island to Cape Fourcroy, including the Tiwi Islands.
A tropical cyclone watch is in force from Point Stuart to Wadeye

NORTHWESTERN PACIFIC OCEAN
update from JTWC at 0600 GMT
System 92W
Position 3.3N 149.5ELocation 282 miles SSW of Chuuk
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

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