24 March 2017 - bulletin 146

Updated at 2125 GMT
Latest warning for 12S
First warning for 13P
Disturbance update


SOUTHERN INDIAN OCEAN
Tropical cyclone Caleb / 12S
Warning 04 from JTWC at 2100 GMT
Position 14.9S 100.5E
Location 270 miles SE of Cocos Island
Movement 215° (SW) at 4 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 60 to 120 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 14 feet
Next warning from JTWC at 0900 GMT

Caleb will move southeast, later south and is now expected to strengthen to about 50 knots. After two days, the storm will weaken and is expected to dissipate after 4 days.

SOUTHWESTERN PACIFIC OCEAN
Tropical cyclone 13S
Warning 01 from JTWC at 2100 GMT
Position 17.2S 152.0E
Location 356 miles E of Cairns, Australia
Movement 150° (SSE) at 4 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 80 to 120 miles to the south of the centre
Threatened landmasses NONE
Maximum significant wave height 10 feet
Next warning from JTWC at 0900 GMT

13P has formed and will move southsoutheast, later west and is expected to intensify rapidly. The storm will peak at 95 knots before making landfall in Queensland on Monday (GMT). 

Australian warnings
A tropical cyclone watch is in force from Cape Tribulation to St Lawrence including Cairns, Townsville, Mackay, and the Whitsunday Islands.
 
TROPICAL DISTURBANCE UPDATE
SOUTHWESTERN PACIFIC OCEAN
Update from JTWC at 2100 GMT
System 91P is now 13P

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