5km SE of Onslow now.
TROPICAL CYCLONE ADVICE NUMBER 54
Issued at 9:10 pm WST on Thursday, 30 March 2006
BY THE BUREAU OF METEOROLOGY
TROPICAL CYCLONE WARNING CENTRE PERTH
A CYCLONE WARNING is now current for a SEVERE CATEGORY 4 CYCLONE for coastal
areas between Dampier and Kalbarri and inland to Mount Augustus and includes
inland parts of the western Pilbara district.
A CYCLONE WATCH extends south to Jurien Bay and inland to Yalgoo, and includes
inland parts of the Gascoyne and Central West districts.
At 9pm WST SEVERE TROPICAL CYCLONE GLENDA was
5 kilometres to the southeast of Onslow and
115 kilometres east northeast of Exmouth
and was moving south southwest at 18 kilometres per hour over the past 6 hours.
The eye of SEVERE TROPICAL CYCLONE GLENDA was located over Onslow at 9pm.
Residents of Onslow are warned that very destructive winds will soon resume
without warning from a different direction. The cyclone briefly stalled as it
moved over the coast, but is expected to resume a south southwest track.
Destructive winds with gusts to 130 kilometres per hour are occurring on the
coast between Mardie and Exmouth. Very destructive gusts to 235 kilometres an
hour are expected near the cyclone centre, and are occurring on the coast in the
vicinity of Onslow.
Very destructive winds will extend southward though the western Pilbara
overnight and Friday as the system moves further south and gradually weakens.
Residents at Onslow are specifically warned of the potential for a very
dangerous storm tide as the cyclone centre crosses the coast. Tides are likely
to rise significantly above the normal high tide mark with very dangerous
flooding and damaging waves.
Widespread heavy rain and flooding are likely in the western Pilbara and western
Gascoyne over the next few days.
Details of SEVERE TROPICAL CYCLONE GLENDA at 9pm WST Thursday.
Location of centre : within 20 kilometres of
Latitude 21.7 South Longitude 115.2 East.
Recent movement : south southwest at 18 kilometres per hour.
Central Pressure : 940 hPa.
Maximum wind gusts : 235 kilometres per hour.
Severity Category : 4
FESA-State Emergency Service advises of the following alerts:
RED ALERT: People in or near the communities of Onslow, Mardie, Pannawonica, and
Nanutarra should move to shelter.
YELLOW ALERT: People in or near the communities of Exmouth and Coral Bay should
commence action in preparation for the possibility of destructive winds.
BLUE ALERT: People in other communities between Coral Bay and Carnarvon,
including Carnarvon, should start taking precautions.
ALL CLEAR WITH CAUTION: People in the communities of Port Samson, Wickham,
Roebourne, Karratha, Dampier, Whim Creek, Tom Price and Paraburdoo.
The next advice will be issued at 10pm WST Thursday.Cyclone advices and State
Emergency Service Community Alerts are available by
dialling 1300 659 210
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Latest Weather Observations for Onslow Airport
72 hours of data.
Issued at 9:10 pm WST Thursday 30 March 2006
Notes about the data in this table. | About Latest Weather Observations
Date/ Time Temp Dew Point Rel Hum Delta-T Wind Press Rain since 9 am
Dir Speed Gust Speed Gust
WST °C °C % °C km/h knots hPa mm
30/21:08 23.8 -6.2 13 13.3 ESE 93 122 50 66 971.9 205.8
30/21:01 23.6 11.4 46 7.4 ESE 87 124 47 67 973.9 205.8
30/20:58 23.3 - - - ESE 83 124 45 67 975.2 205.8
30/20:50 22.8 - - - SSE 87 139 47 75 976.5 205.8
30/20:29 20.5 - - - SSE 115 154 62 83 978.4 205.8
30/20:09 20.9 17.7 82 2.1 SSE 109 156 59 84 980.4 202.8
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