A big weekend for the Solar Tsunamis team!

This blog is reproduced from the Otago Physics Department. Check the link for the latest updates.
Above: An earlier photo of an aurora in Dunedin, courtesy of Ian Griffin

An extremely large “G5” geomagnetic storm occurred on Saturday 11 May 2024, leading to widespread aurora seen all over the country and all over the globe.

Extreme space weather can strike at any time, and New Zealand has to be ready. Professor Craig Rodger leads an international team of scientists working on making New Zealand’s energy infrastructure able to withstand large space weather events like Saturday’s geomagnetic storm. The Solar Tsunamis Endeavour Programme led out of the University of Otago Physics Department helped Transpower design their space weather response plan which was enacted for the first time during this event (read more about how the plan was developed here).

Craig appeared in a series of interviews by Radio New Zealand on Saturday 11 May 2024 about the solar storm. Coverage of the space weather event appeared in multiple media outlets:

Aurora seen across New Zealand on Saturday 11 May 2024 led to interviews which screen on TV1 news on Sunday 12 May 2024, as well as a different interview on TV3 news, and Stuff’s Newsable podcast programme. Saturday’s storm wasn’t the end of the story, with more aurora activity predicted for Sunday night appearing in

On Monday Craig followed up with predictions of more southern lights

A superb effort presenting science that matters to the public. Well done Craig!

For recent data in the Ōtepoti Dunedin area, and a “nowcast” predicting your chances of observing aurora, check out the Solar Tsunamis Aurora Australis Alert. The strong events of the last few days can be seen in the data:

Photo taken by Favian Molloy-Turpin and Solar Tsunamis team member Johnny Malone-Leigh on Shiel Hill in Dunedin, 11/05/2024
Photo taken by Solar Tsunamis team member Lisa Evans in Waverley, Dunedin on 11/05/2024, featuring a possible STEVE
Photo taken by Solar Tsunamis team member Tim Divett at Second Beach in Dunedin on 11/05/2024