Continuing the series of feature posts showing the passages of waves associated with the Hunga Tonga volcanic eruption. This lapse shows the second passage of the westbound wave. There are many interesting aspects shown by this plot including smaller waves out ahead of the largest amplitude wave and again, the westbound wave looks subjectively stronger than the eastbound wave did. I think we'll stop with the IEM Daily Features showing these wave passages and relegate the subsequent posts to my @akrherz Twitter page as we'll perhaps catch a third passage of each! Focus needs to turn back to the dangerous cold wind chills and return to the deep freeze with temperatures over Iowa!

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Tags:   tonga   volcano   pressure