813 
WTAU04 ADRM 101259
IDD20230
Australian Government Bureau of Meteorology
Northern Territory
Darwin Regional Forecasting Centre

40:2:2:24:12S130E400:11:00
SECURITE

OCEAN WIND WARNING

OCEAN WIND WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, PERTH
Issued at 1259UTC 10 JANUARY 2020

PLEASE BE AWARE
Wind gusts can be a further 40 percent stronger than the averages
given here, and maximum waves may be up to twice the height.

GALE WARNING FOR NORTHERN AREA

SITUATION
At 1200 UTC a tropical low was centred within 30 nautical miles of
 latitude twelve decimal five south (12.5S)
 longitude one hundred and thirty decimal zero east (130.0E)
Recent movement : west northwest at 8 knots
Maximum winds   : 25 knots
Central pressure: 999 hPa

The low is expected to develop into a tropical cyclone in the next 18 to 24
hours.

AREA AFFECTED
Within 80 nautical miles in southern quadrants by 0600 UTC 11 January.

FORECAST
Maximum winds to 25 knots near the centre increasing to 40 knots by 1200 UTC 11
January.

Winds above 34 knots within 80 nautical miles of the centre in southern
quadrants by 0600 UTC 11 January, extending to 
within 60 nautical miles in NE quadrant
  and within 60 nautical miles in SE quadrant
  and within 80 nautical miles in SW quadrant
  and within 80 nautical miles in NW quadrant with rough to very rough seas and
moderate swell.

Forecast positions
At 0000 UTC 11 January: Within 55 nautical miles of 12.2 south 128.5 east
                        Central pressure 997 hPa.
                        Winds to 30 knots near centre.
At 1200 UTC 11 January: Within 80 nautical miles of 12.3 south 126.9 east
                        Central pressure 992 hPa.
                        Winds to 40 knots near centre.

REMARKS
All ships in the area please send weather reports every three hours.
Regular weather observing ships use normal channels.
Other ships please use either email to nttcwc@bom.gov.au or fax to +6189203829
or satellite using SAC1241 through Land Earth Station Burum 312 [or 212 as
appropriate] via Perth.

Next warning will be issued by 1930 UTC 10 January 2020.

PERTH Tropical Cyclone Warning Centre