Honest Govt ad - Oz flooding

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Though this year's flooding was less about climate change and more about the millions of cubic meters of water injected into the atmosphere by the Tongan volcano.

Higher frequency of cyclic atmospheric phenomenon such as La Nina and Indian Ocean Dipole exacerbated by increased atmospheric and sea temperatures seem to be the leading cause.
No mention of volcanic input here. Your info source may see things differently. Please share for our benefit.