HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0056UTC 11 JANUARY 2018
HURRICANE FORCE WIND WARNING
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.
SITUATION
At 0000 UTC Tropical Cyclone Joyce was centred within 20 nautical miles of
latitude sixteen decimal eight south (16.8S)
longitude one hundred and twenty one decimal seven east (121.7E)
Recent movement : southwest at 4 knots
Maximum winds : 35 knots
Central pressure: 990 hPa
AREA AFFECTED
Within 80 nautical miles in NE quadrant
and within 70 nautical miles in SE quadrant
and within 90 nautical miles in SW quadrant
and within 90 nautical miles in NW quadrant.
FORECAST
Maximum winds to 35 knots near the centre increasing to 70 knots by 0000 UTC 12
January.
Winds above 64 knots within 20 nautical miles of centre by 0000 UTC 12 January
with high seas.
Winds above 48 knots within 40 nautical miles of centre by 1200 UTC 11 January
with very rough to high seas and moderate to heavy swell.
Winds above 34 knots within 90 nautical miles of centre, extending to within
100 nautical miles of centre by 1800 UTC 11 January. Moderate to rough seas and
moderate swell.
Forecast positions
At 1200 UTC 11 January: Within 55 nautical miles of 17.7 south 121.3 east
Central pressure 983 hPa.
Winds to 50 knots near centre
At 0000 UTC 12 January: Within 80 nautical miles of 18.8 south 120.9 east
Central pressure 965 hPa.
Winds to 70 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 tcwcwa@bom.gov.au or fax to +61892632261
or satellite using SAC1241 through Land Earth Station Burum 312 [or 212 as
appropriate] via Perth.
Next warning will be issued by 0700 UTC 11 January 2018.
HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE
AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH
AT 0647UTC 12 JANUARY 2018
GALE WARNING
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.
SITUATION
At 0600 UTC Tropical Cyclone Joyce was centred within 20 nautical miles of
latitude nineteen decimal seven south (19.7S)
longitude one hundred and twenty decimal five east (120.5E)
Recent movement : west southwest at 6 knots
Maximum winds : 35 knots
Central pressure: 982 hPa
AREA AFFECTED
Within 40 nautical miles in NE quadrant
and within 20 nautical miles in SE quadrant
and within 20 nautical miles in SW quadrant
and within 40 nautical miles in NW quadrant.
FORECAST
Maximum winds to 35 knots near the centre easing to 30 knots by 1800 UTC 12
January.
Forecast positions
At 1800 UTC 12 January: Within 55 nautical miles of 21.1 south 119.3 east
Central pressure 988 hPa.
Winds to 30 knots near centre.
At 0600 UTC 13 January: Within 80 nautical miles of 23.0 south 117.6 east
Central pressure 992 hPa.
Winds to 30 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 tcwcwa@bom.gov.au or fax to +61892632261
or satellite using SAC1241 through Land Earth Station Burum 312 [or 212 as
appropriate] via Perth.
Next warning will be issued by 1300 UTC 12 January 2018.
