23 March 2018 - bulletin 217

Updated at 2200 GMT
Latest warnings for 15S and 16P


SOUTHERN INDIAN OCEAN
Tropical cyclone Marcus / 15S
Warning 33A from JTWC at 2100 GMT
Position 23.7S 106.6E
Location 423 miles WSW of Learmonth, Australia
Movement 160° (SSE) at 15 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 135 to 195 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 25 feet
Next warning from JTWC at 0300 GMT

Marcus is moving south, and weakening rapidly. The cyclone will dissipate within a day or so. 

SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Nora / 16P
Warning 07 from JTWC at 2100 GMT
Position 11.9S 139.4E
Location 478 miles NE of Cairns, Australia
Movement 130° (SE) at 8 knots
Maximum sustained winds 95 knots gusting to 115 knots
Winds of 34 knots or higher occur within 100 to 140 miles of the centre
Winds of 64 knots or higher occur within 25 to 45 miles of the centre
Threatened landmasses Queensland, Australia
Maximum significant wave height 34 feet
Next warning from JTWC at 0300 GMT

Nora will move southeast, later south whilst intensifying to 105 knots. The storm will make landfall in the southeastern Gulf of Carpentaria after 5 days.

Australian warnings
A tropical cyclone WARNING is in force from Karumba to Thursday Island, including Weipa and Mornington Island
A tropical cyclone watch applies from NT/Qld Border to Karumba

TROPICAL DISTURBANCE UPDATE

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 0600 GMT
System 96W
Position 4.3N 147.6E
Location 265 miles SW of Chuuk
Likelihood of tropical cyclone formation within 24 hours is now HIGH

SOUTHWESTERN PACIFIC OCEAN
Update from JTWC at 0600 GMT
System 95P
Position 13.4S 163.5E
Location 560 miles NNW of Noumea, New Caledonia
Likelihood of tropical cyclone formation within 24 hours is now HIGH

SOUTHERN INDIAN OCEAN
Update from JTWC at 1800 GMT
System 96S
Position 12.1S 91.1E
Location 340 miles W of Cocos Island
Likelihood of tropical cyclone formation within 24 hours is LOW

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