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TCWCs Brisbane Darwin Perth Activity Report Bureau of Meteorology

TCWCs Brisbane Darwin Perth Activity Report Bureau of Meteorology. Cyclone Categories. Cat 1 - Wind Gusts 90-125 km/h - MINIMAL damage Cat 2 - Gusts 125-170 km/h - MODERATE damage Cat 3 - Gusts 170-225 km/h - MAJOR damage Cat 4 - Gusts 225-280 km/h - DEVASTATING

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TCWCs Brisbane Darwin Perth Activity Report Bureau of Meteorology

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  1. TCWCsBrisbaneDarwinPerthActivity ReportBureau of Meteorology

  2. Cyclone Categories • Cat 1 - Wind Gusts 90-125 km/h - MINIMAL damage • Cat 2 - Gusts 125-170 km/h - MODERATE damage • Cat 3 - Gusts 170-225 km/h - MAJOR damage • Cat 4 - Gusts 225-280 km/h - DEVASTATING • Cat 5 - Gusts 280+ km/h - EXTREME event

  3. No significant impact since cyclone AIVU in 1989

  4. Severe Tropical Cyclones Queensland Region 1990-2002 • 1990-91 JOY • 1991-92 BETSY DAMAN ESAU FRAN • 1992-93 POLLY • 1993-94 REWA THEODORE • 1994-95 VIOLET WARREN AGNES • 1995-96 BARRY CELESTE • 1996-97 DRENA JUSTIN • 1997-98 KATRINA • 1998-99 RONA • 1999-00 • 2000-01 ABIGAIL • 2001-02 CLAUDIA

  5. 500 hPa Geopotential Height Anomalies 2000 to 2002 Known Active TC Seasons 2000 to 2001 2001 to 2002

  6. Airport Cairns

  7. Cyclones in the Cairns area since 1990 • JOY - December 1990 – Cat 4 • JUSTIN - March 1997 – Cat 2 • RONA - February 1999 – Cat 3 • STEVE - February 2000 – Cat 2 • ABIGAIL – February 2001 – Cat 1

  8. Cyclone STEVE Feb 2000 Radar Image at time of Highest Wind Gust at CAIRNS Airport 143 km/h (77 knots) Cairns

  9. Cyclone STEVE Feb 2000 Radar Image at time of Highest Wind Gust at CAIRNS Airport 143 km/h (77 knots) Cairns

  10. http://www.bom.gov.au

  11. 100 million hits per month

  12. “ABIGAIL” 2D Radar Satellite IR Image 3D Radar

  13. 3D radar image of severe cyclone ABIGAIL 2001

  14. 12 hours from landfall – the forecast position is accurate to about 100km

  15. Tropical Cyclone Threat Map “issued with every Watch and Warning”

  16. A really BIG cyclonic impact …

  17. “OFA” 4 Feb 1990 NIUE

  18. Queensland Climate Change and Community Vulnerability to Tropical Cyclones

  19. Water Level Components of a Storm Tide

  20. Bureau of Meteorology

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