23 March 2018 - bulletin 215

Updated at 1100 GMT
Latest warnings for 15S and 16P
Disturbance update


SOUTHERN INDIAN OCEAN
Tropical cyclone Marcus / 15S
Warning 31 from JTWC at 0900 GMT
Position 21.2S 105.8E
Location 467 miles W of Learmonth, Australia
Movement 185° (S) at 13 knots
Maximum sustained winds 95 knots gusting to 115 knots
Winds of 34 knots or higher occur within 135 to 190 miles of the centre
Winds of 64 knots or higher occur within 40 to 60 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 30 feet
Next warning from JTWC at 1500 GMT

Marcus is moving south, and weakening. The cyclone will dissipate within two days. 

SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone Nora / 16P
Warning 05 from JTWC at 0900 GMT
Position 10.6S 138.1E
Location 438 miles ENE of Darwin, Australia
Movement 125° (SE) at 13 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 90 to 130 miles of the centre
Winds of 64 knots or higher occur within 20 miles only to the northeast of the centre
Threatened landmasses Queensland, Australia
Maximum significant wave height 20 feet
Next warning from JTWC at 1500 GMT

Nora will move southeast whilst intensifying to 120 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 Elcho Island to Cape Shield, including Nhulunbuy and Gilbert River Mouth to Thursday Island, including Weipa.
A tropical cyclone watch applies from NT/Qld Border to Gilbert River Mouth

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 10.9S 87.2E
Location 570 miles W of Cocos Island
Likelihood of tropical cyclone formation within 24 hours is LOW

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