official data
Huge ash cloud from Krakatau reaches jet-altitude — still pouring out
Darwin Volcanic Ash Advisory Centre advisory 2026/183 (DTG 20260906/0030Z, VAAC DARWIN, VOLCANO KRAKATAU 262000) reports volcanic ash to FL500 moving west and volcanic ash to FL200 moving east. Observed ash DTG 06/0010Z. Remarks state high-level VA to FL500 moving west and continuous VA to FL200 moving east; height and movement based on satellite imagery; forecast based on dispersion models. Info source: HIMAWARI-9, CVGHM. Next advisory no later than 20260906/0700Z per product. Live FL / polygon / next advisory = see live VAAC HUD.
Key facts
- Advisory
- 2026/183 · DTG 20260906/0030Z · Darwin VAAC
- Ash
- FL500 west + FL200 east (continuous)
- Observed
- Ash DTG 06/0010Z · HIMAWARI-9 / CVGHM
- Next
- No later than 20260906/0700Z per product
- Live
- See live VAAC HUD — do not freeze FL as current
Note
Primary: Bureau of Meteorology / Darwin VAAC Volcanic ASH Advisories (recent), Krakatau 262000 Adv 2026/183.
What it is not: a climate-forcing calculation; SWPC; a tsunami warning; 13 percent of Pinatubo; invented SO2 mass; a frozen live FL.
Why it matters
Dated aviation ash product still holding FL500 class ash. Not ECDO proof. No Pinatubo-percentage boarded.
Sources
- Bureau of Meteorology / Darwin VAAC Adv 2026/183
- Watchers earlier high-ash chronology (4 Sep)
- GVP Krakatau 262000
Official data. Live values go to the HUD / source product.