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Alert: Cyclone Nora set to smash QLD

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Alert: Cyclone Nora set to smash QLD

admin March 23, 2018
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The forecast path shown above is the Bureau’s best estimate of the cyclone’s future movement and intensity. There is always some uncertainty associated with tropical cyclone forecasting and the grey zone indicates the range of likely tracks of the cyclone centre.

Due to the uncertainty in the future movement, the indicated winds will almost certainly extend to regions outside the rings on this map. The extent of the warning and watch zones reflects this.

This product is designed for land-based communities; mariners should read the coastal waters and high seas warnings.


Headline:

Severe Tropical Cyclone Marcus weakening well away from the WA mainland

Areas affected:

Warning zone: None.

Watch zone: None.

Cancelled zones: None.

Details of Severe Tropical Cyclone Marcus at 8:00 am AWST:

Intensity: category 4, sustained winds near the centre of 175 kilometres per hour with wind gusts to 250 kilometres per hour.
Location: within 35 kilometres of 19.9 degrees South, 105.8 degrees East , 900 kilometres west northwest of Exmouth and 980 kilometres northwest of Carnarvon .
Movement: south at 22 kilometres per hour .

Severe Tropical Cyclone Marcus is weakening as it moves southward, well away from the WA mainland. Marcus will continue moving generally southward and weaken during Friday and Saturday. Marcus will weaken below tropical cyclone intensity late Saturday, well off the west coast of WA.

Hazards:

Severe Tropical Cyclone Marcus is well away from the WA mainland and is not expected to directly affect WA communities.

Details: 

Time (AWST) Intensity Category Latitude
(decimal deg.)
Longitude
(decimal deg.)
Estimated Position
Accuracy (km)
0hr 8 am March 23 4 19.9S 105.8E 35
+6hr 2 pm March 23 3 21.2S 105.9E 60
+12hr 8 pm March 23 3 22.6S 106.2E 80
+18hr 2 am March 24 3 24.0S 106.5E 105
+24hr 8 am March 24 2 25.4S 107.1E 130
+36hr 8 pm March 24 1 27.5S 107.7E 165
+48hr 8 am March 25 tropical low 28.8S 107.9E 200
+60hr 8 pm March 25 tropical low 30.6S 109.6E 235
+72hr 8 am March 26 tropical low 34.3S 114.6E 270

HIGH SEAS WEATHER WARNING

HIGH SEAS WEATHER WARNING FOR METAREA 10/11 
Issued by the AUSTRALIAN BUREAU OF METEOROLOGY, DARWIN
Issued at 0119UTC 23 MARCH 2018

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.

HURRICANE FORCE WIND WARNING FOR NORTHERN AREA

SITUATION
At 0000 UTC Tropical Cyclone Nora was centred within 30 nautical miles of
 latitude nine decimal nine south (9.9S)
 longitude one hundred and thirty seven decimal zero east (137.0E)
Recent movement : slow moving
Maximum winds   : 50 knots
Central pressure: 986 hPa.

The cyclone is expected to intensify as it moves southeast today heading
towards the Gulf of Carpentaria

AREA AFFECTED
Within 90 nautical miles in NE quadrant
  and within 60 nautical miles in SE quadrant
  and within 70 nautical miles in SW quadrant
  and within 90 nautical miles in NW quadrant.

FORECAST
Maximum winds to 50 knots near the centre increasing to 70 knots by 0000 UTC 24
March.

From 0600UTC 23 March winds above 34 knots within 120 nautical miles in NE
quadrant
  and within 60 nautical miles in SE quadrant
  and within 70 nautical miles in SW quadrant
  and within 90 nautical miles in NW quadrant with rough seas and moderate
swell.

From 1200 UTC 23 March winds above 48 knots within 50 nautical miles of centre
with very rough to high seas and moderate swell.

Forecast positions
At 1200 UTC 23 March: Within 35 nautical miles of 10.9 south 138.4 east
                        Central pressure 980 hPa.
                        Winds to 60 knots near centre.
At 0000 UTC 24 March: Within 50 nautical miles of 12.2 south 139.7 east
                        Central pressure 973 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 nttcwc@bom.gov.au or fax to +6189203829
or satellite using SAC1241 through Land Earth Station Burum 312 [or 212 as
appropriate] via Perth.


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