Storm surge inundation maps

Storm surge inundation maps based on projected 2100 sea level for various return periods (for example one in 100 year and 1,000 year average recurrence interval) have been developed for the following areas: 

  • Darwin
  • Palmerston
  • Dundee
  • Bynoe
  • Cox Peninsula
  • Weddell
  • eight communities in the Gulf of Carpentaria.

The maps below show the total storm surge (technical terminology is storm tide) hazard risk due to the combined effects of astronomical tide plus storm surge plus wave setup. 

Primary and secondary storm surge extents and levels are used for land use planning. The land use planning maps also show the extent of extreme storm surge (one in 10,000 year average recurrence interval) and the inundation areas are shown separately in the maps developed for Emergency Services.

Greater Darwin area

  • Darwin Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Palmerston Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Dundee Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge  Inundation Map based on projected 2100 sea level
  • Bynoe Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge  Inundation Map based on projected 2100 sea level
  • Cox Peninsula Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Weddell Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level.

Communities in Gulf of Carpentaria

These maps also show the extreme storm surge inundation.

  • Baniyala Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Alyangula Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Bing Bong Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • King Ash Bay Area (Sheet 1 of 2) Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • King Ash Bay Area (Sheet 2 of 2)  Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Milyakburra Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Numbulwar (Sheet 1 of 2) Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Numbulwar (Sheet) 2 of 2) Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Umbakumba Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level
  • Yirrkala Area Primary (100 year ARI), Secondary (1,000 year ARI) and Extreme (10,000 year ARI) Storm Surge Inundation Map based on projected 2100 sea level.

Last updated: 18 April 2016