The shock wave of the Tonga eruption in the atmospheric pressure recorded in Hungary
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With the mouse or arrow keys, navigate through time. The event's first moments of interest come at/after 2022-01-15T18:30:00+00:00, from NNE then the second comes from SSW at/after 2022-01-15T23:40:00+00:00. Or just click here to play the interesting animation.

The change in pressure is rendered as grey when little to na change is observed,compared to the average of the previous three readings, in orange hues for an increase and in blue hues for a decrease.

The green line marks the direction towards Tonga, and the red one the opposite, together drawing a segment of the great circle traversing Budapest and Tonga.

Meteo data from Hungary comes from the OMSZ (Hungarian Meteo Service) with one reading per ten minutes, and the data I reference in the video, from Cluj-Napoca, RO comes from my amateur instrument.

Data vizualization: Pál VÁRADI NAGY. Video: youtube, HU + youtube, EN