Nahel.B Profile picture
Jan 16,, 5 tweets, 2 min read
What it would look like from space if the Honga #Tonga-hunga Ha’apai volcano erupted somewhere in France.
4th image - The mushroom cloud was about 400 kilometers in diameter.
Hunga Tonga-Hunga Ha'apai volcanic plume reached well into the stratosphere (at least 30 km, or ~18 miles) ! For perspective, in our latitudes, cumulonimbus clouds can rise up to 15 km high (up to to the tropopause after which it starts flattening out forming 'anvil' shape).

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More from @WxNB_

Jan 15,
🌍🔀 Pour les plus curieux (non platistes), l'onde de choc atmosphérique engendrée par l’éruption du #volcan Hunga #Tonga-Hunga Ha'apai devrait donc converger vers son point antipodal (de l’autre côté de la planète) dans l'extrême sud de l’Algérie, vers 21:30 heure locale. ImageImageImage
Antipode map generated via:
geodatos.net/en/antipodes/t…
Read 4 tweets
Jan 15,
Éruption du Hunga #Tonga à 05h10 UTC+1 (15/01/22). Environ 17,000 km séparent les Tonga de la FR. Vitesse de l’onde de choc atmosphérique : ~1230 km/h. (t=d/v) -> 13,8 heures. Un petit saut de pression pourrait donc théoriquement être observé en ce moment sur les baromètres 🇫🇷 Image
Saut de pression observé à Miami, Floride.
Read 11 tweets

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