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Marine Weather Warnings - Tropical Cyclone Advice for System 1

Australian Government Bureau of Meteorology
Tropical Cyclone Warning Centre

Media: The Standard Emergency Warning Signal should NOT be used with this


Issued at 4:42 am EST on Saturday 21 March 2015

Cyclone Nathan is expected to impact the east coast of Top End early Sunday
morning as a category 2 cyclone.

Areas Affected:
Warning zone: Nhulunbuy to Port Roper (Northern Territory), Kowanyama to
Aurukun (Queensland).

Watch zone: Goulburn Island to Nhulunbuy

Cancelled zone: Adjacent inland parts of Cape York Peninsula.

Details of Tropical Cyclone Nathan at 4:00 am EST [3:30 am CST]:
Intensity: Category 1, sustained winds near the centre of 65 kilometres per
hour with wind gusts to 95 kilometres per hour.
Location: within 35 kilometres of 14.1 degrees South 141.4 degrees East,
estimated to be 20 kilometres south southwest of Cape Keerweer and 160
kilometres north northwest of Kowanyama.
Movement: west northwest at 15 kilometres per hour.

Tropical cyclone Nathan is currently a weak category 1 system, and is moving
westward into the Gulf of Carpentaria near Cape Keerweer.

Tropical cyclone Nathan will continue to move west across the Gulf of
Carpentaria and intensify as it heads towards the east Arnhem land coast.

GALES, with gusts to 90 kilometres per hour, currently extend out to
approximately 65 kilometres from the centre of the cyclone, and are expected to
continue this morning about western Cape York Peninsula between Aurukun and
Kowanyama in Queensland. These conditions will ease as the cyclone moves
further away into the Gulf of Carpentaria during Saturday.

GALES, with gusts to 125 kilometres per hour, are expected to impact Groote
Eylandt and possibly extend to coastal and adjacent inland locations between
Nhulunbuy and Port Roper in the Northern Territory early Sunday morning. Gales
are expected to extend further west along the north coast between Nhulunbuy and
Milingimbi later Sunday morning to Sunday afternoon and may extend further west
to Goulburn Island overnight on Sunday or early on Monday.

DESTRUCTIVE winds with gusts to 155 kilometres per hour, extending to
approximately 150 kilometres from the centre of the cyclone, may impact Groote
Eylandt as well as coastal and adjacent inland locations between Nhulunbuy and
Port Roper from Sunday morning.

Heavy rainfall, which may lead to flash flooding, will continue across parts of
western Cape York Peninsula this morning and will clear later this morning as
the cyclone moves away.

Heavy rainfall, which may lead to flash flooding, is expected to develop across
eastern Arnhem Land as the cyclone approaches overnight Saturday and Sunday

Tides on the western Cape York Peninsula coast may be above normal this
morning, particularly north of the cyclone's track, but are not expected to
exceed the highest tide of the year.

Recommended Action:
For Queensland:
People in coastal areas between Aurukun and Kowanyama should remain inside
until the cyclone has passed and listen to the next advice.
- For cyclone preparedness and safety advice, visit Queensland's Disaster
Management Services website (www.disaster.qld.gov.au)
- For emergency assistance call the Queensland State Emergency Service (SES) on
132 500 (for assistance with storm damage, rising flood water, fallen trees on
buildings or roof damage).

For Northern Territory:
The Territory Controller advises residents from Nhulunbuy to Port Roper
including Nhulunbuy, Cape Shield, Groote Eylandt, Numbulwar and Port Roper,
that now is the time to make final preparations to your home shelter or
identify which public emergency shelter or strong building to use. You should
now have your emergency kit complete and ready. DO NOT PROCEED TO PUBLIC

The Territory Controller advises communities under Watch that now is the time
to finalise your emergency kit, clear your yards and balconies, and commence
home shelter preparations.

If you DO NOT have accommodation constructed to the Building Code or are unsure
of your present accommodation, you should determine NOW where you will shelter.
This may include arranging to shelter with family, friends or in public
emergency shelters, or strong buildings, where available in your community.

This advice is issued to allow you sufficient time in which to take the
necessary precautions before winds reach a dangerous level.

Please ensure that friends, family and neighbours have heard and understood
this message, particularly new arrivals to the area.

Further advice on cyclone emergencies is available at www.securent.nt.gov.au.

Next Advice:
The next advice will be issued by 8:00 am EST Saturday 21 March [7:30 am CST
Saturday 21 March].

This warning is also available through TV and Radio Broadcasts; the Bureau's
website at www.bom.gov.au or call 1300 659 212. The Bureau and the State
Emergency Service would appreciate this warning being broadcast regularly.

A map showing the track of the cyclone is available at:
Display Your Local Weather

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