Invest 92s upgraded to Cat 1 TC Marcus March 16 12:31AEST 0.230UTC

672 views · Published 16 March 2018 · 9:26 · Indexed 21 October 2026

Channel: Force Thirteen · 2018 · Science & Technology

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TROPICAL CYCLONE ADVICE NUMBER 7
Issued at 11:04 am ACST on Friday 16 March 2018

Headline:
Tropical Cyclone Marcus has formed off the NT north coast.

Areas Affected:
Warning Zone
Maningrida to Daly River Mouth, including Darwin and the Tiwi Islands.

Watch Zone
Daly River Mouth to Mitchell Plateau.

Cancelled Zone
Maningrida to Milingimbi.

Details of Tropical Cyclone Marcus at 9:30 am ACST:
Intensity: Category 1, sustained winds near the centre of 65 kilometres per hour with wind gusts to 95 kilometres per hour.

Location: within 55 kilometres of 10.3 degrees South 132.6 degrees East, estimated to be 95 kilometres north of Croker Island and 310 kilometres northeast of Darwin.

Movement: southeast at 13 kilometres per hour.

Tropical Cyclone Marcus has formed north of Cobourg Peninsula. Tropical Cyclone Marcis is expected to approach the northwest Top End coast today, most likely crossing the Cobourg Peninsula tonight. The tropical cyclone is expected to turn south towards the southwest, passing close to Darwin during Saturday, before moving into the Timor Sea late on Saturday or early Sunday. During Sunday, Tropical Cyclone Marcus is expected to approach the north Kimberley coast.

Hazards:
GALES with gusts to 110 km/h are expected to develop over the Cobourg Peninsula during this afternoon, then extend to Gouburn Island later this evening. Gales may extend to Maningrida tonight if the tropical cyclone takes a more easterly track.

Gales are expected to extend to Darwin and the Tiwi Islands from early Saturday morning as the tropical cyclone passes through the Van Diemen Gulf. However, if the tropical cyclone crosses the coast east of the Cobourg Peninsula tonight, the tropical cyclone will likely weaken before approaching Darwin, reducing the chance of gales being experienced.

Gales may extend to Daly River Mouth by Saturday afternoon and further south to the WA/NT border later on Saturday or Sunday as the cyclone moves into the Timor Sea later. Gales are expected to extend to the north Kimberley during Sunday.

A STORM TIDE between Milikapiti and Maningrida, including the Van Diemen Gulf, is expected as the cyclone centre crosses the coast tonight. Tides are likely to rise significantly above the normal high tide, with DAMAGING WAVES and DANGEROUS FLOODING tonight and into Saturday morning.

HEAVY RAIN is expected along the north coast today, extending into the northwest Top End on Saturday.

This update has been produced by the Australian Channel and please link to the channel for updated information on "Marcus". Emergency Services in Darwin at holding a media conference re this TC. Storm Surge of half a meter is possible on the High Tide.

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