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Severe Thunder-
storm images of
the month:
July 2009

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[2009]

Photographs by Michael Bath

The 30th December 2008 brought extreme instability to the NSW Northern Rivers district with CAPE approaching 4,000. Shear was excellent, however moisture was marginal.

A seabreeze boundary kicked off an isolated storm near Casino mid afternoon. The first couple of updrafts were weak before a very strong sustained pulse developed.

The structure evolved into a LP Supercell between Lismore and Casino before transitioning into a classic supercell as it tracked over eastern parts of Lismore, McLeans Ridges then just north of Byron Bay.
Giant hail and a number of funnels were observed. The supercell persisted for hours out to sea.
  Full sequence of this event

  forum discussion


Latest Significant or Severe Weather and Storm Chase Reports

Storm chase and severe weather reports are now discussed in the Australian Severe Weather Forums. Links to major event threads are provided below. Join in the discussion and add your storm chase reports, observations, comments and photos !

If you have photos or video you wish to share of any of the events discussed below, or other significant severe storms, please contact us.

Reports from previous seasons: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995

May 2009
NE NSW / SE QLD Rain and Severe Flooding Event : 19-24 May 2009
NSW Coastal Showers, Storms, Flash Floods and Waterspouts : 2 - 4 May 2009
April 2009
VIC, TAS, SA, NSW Cold and Rain Event - Corowa Funnel Cloud : 23 - 27 April 2009
Tasman Low causes severe weather on Lord Howe Island: 18 - 22 April 2009
NE NSW / SE QLD Severe Storms : 17 April 2009
QLD / NSW Rain Event and Storms & VIC / TAS Severe Winds: 10-15 April 2009
NSW and SE QLD Rain Event / Flash Flooding Coffs Harbour and Sunshine Coast : 28 Mar - 7 Apr 2009
March 2009
NSW / SE QLD Severe Storms : 25-27 March 2009
VIC, TAS, NSW & QLD Storms : 13 - 17 March 2009
Eyre Peninsula SA Landspout Tornado : 11 March 2009
NSW, QLD, WA Thunderstorm and Severe Weather potential: 28 Feb - 4 Mar 2009
February 2009
NSW Storms - including the Warragamba Classic Supercell: 23 - 26 Feb 2009
NSW & QLD Severe Storms: 19 - 22 February 2009
Rain event and thunderstorms SE QLD & NSW (incl major flooding Mid North Coast): 13-18 Feb 2009
NSW Severe Storms: 9 - 11 Feb 2009
Victoria bushfires 7 February 2009 and record heatwave for SA, VIC, TAS and NSW: 27 Jan to 8 Feb 2009
NSW / VIC Storms: 2 - 5 Feb 2009
January 2009
NSW / VIC / QLD Severe Storms (and whinge thread): 20-26 January 2009
Storms NSW / QLD: 15 - 17 January 2009
NSW, QLD & VIC Storms (including sunset storms at Lightning Ridge): 9 - 11 Jan 2009
NSW Storms: 7-8 January 2009
NSW Storms: 4 - 5 Jan 2009
QLD & NE NSW Storms and Rain: 1 - 3 Jan 2009
December 2008
NSW, QLD & VIC Severe Storms (inlcuding classic supercell and giant hailstones): 27 - 31 Dec 2008
NSW / QLD / VIC Storms (incl Nimmitabel tornado and other supercells): 22-26 Dec 2008
NSW / QLD Severe Storms: 17 - 21 December 2008
NSW / QLD Supercells: 10-11 Dec 2008
NSW / QLD Severe Storms and Lightning: 2 - 8 Dec 2008
November 2008
SA / VIC / NSW / QLD Storms: 26-29 November 2008
Tornado Humpty Doo, Northern Territory: 29 Nov 2008
QLD & NSW Severe Storms (incl Blackwater hail & Brisbane flash flooding): 19-21 Nov 2008
Central Aust severe storms 18-19 November 2008
NSW, VIC and SE QLD Storms (incl Brisbane severe storm): 12-16 Nov 2008
VIC/SA Severe Storms: 2 - 3 Nov 2008
October 2008
NSW/Qld Severe Hailstorms then Cold/Snow: 19 to 22 of October 2008
NSW & QLD Storms: 13 - 15 October 2008
NSW & QLD Hail Storms and Rain 9-11 October 2008
NSW & S QLD Storms: 2-6 October 2008
September 2008
NSW & S Qld Severe Storms: 19-23 September 2008
Severe Storm Alice Springs: 22 September 2008
NSW and S Qld Severe Storms: 11-14 September 2008
QLD and NSW Significant Rain Event: 2 to 6 September 2008
August 2008
Late Winter Storms NE NSW/SE QLD: 27-29 August 2008
Southeast Australia - Hail, Snow and Storms: 21 - 23 August 2008
SE AUST Cold and Snow 9-11 August 2008
Central Tablelands snow / Sydney storms: 7 August 2008
NSW Showers/Rain and offshore storms: 4 - 6 August 2008
July 2008
Cold and Snow VIC / NSW / SE QLD: 27-29 July 2008
2008 Eastern NSW/SE QLD Storms: 27-28 July 2008
WA --> SA Subtropical Low: 8-15 July 2008
Rain, Storms and Snow Southeast Aust: 7-11 July 2008

Reports from previous seasons: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995

Other Severe
Weather News,
Reports, Links and
Resources 		NSW Northern Ranges Snow Chase Forecasting Guide by Michael Bath
Lismore Flood Pictures and Wilsons River Flood Height Information / Richmond River Flood Plain by Michael Bath

  • Understanding Aerological Skew-T Diagrams / Soundings
  • Observing tornadoes, dust devils, whirl winds, water spouts and land spouts by Jimmy Deguara
  • An overview of tornadoes and thunderstorms
  • Satellite Pictures | Weather Radar | Weather Maps

  • The Bureau of Meteorology has detailed information on Severe Storms. It covers facts, warnings and safety in severe storms, and has some interesting pictures (including a tornado), maps and case studies. If you are going to attempt storm chasing or photographing severe weather, make sure you have a good understanding of the dangers by reading this very informative article.
  • Australian average annual thunder day map
  • Australian average annual lightning ground flash density map

  • Australian Severe Weather Association Inc. (ASWA)
  • Australian Storm Chasers Group newsletters: [Feb 2003] [Sep 2003] [Nov 2003] [Jan 2004] [Mar 2004] [May 2004] [Sep 2004]
  • Thunderstorm forecasting guide by Anthony Cornelius

  • Bureau of Meteorology Warnings
  • Bureau of Meteorology Flood Warning Centre: Rainfall and River Heights
  • Emergency Management Australia - disaster events data tracking system
  • Latest updated news of Natural Disasters
  • Australian Weather News and Links by Laurier Williams - a comprehensive roundup of significant weather occurring around Australia, also real-time weather observations.
  • Severe Thunderstorms in NSW and ACT by the Bureau of Meteorology's Severe Weather Section in NSW
    • Severe Weather
    Summaries         		Severe Weather Summaries from the Bureau of Meteorology include tropical cyclones, severe thunderstorms and tornadoes, flooding, severe winds, dust storms and bushfires. Also included are temperature and rainfall records set during the month.

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