Overall Green Volcanic eruption for Purace
in Colombia

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.



Volcanic Ash Advisory issued on 2025-01-23 at 22:11 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission has disp.
  • Volcanic ash emission has disp in satellite imagery. No new emission.

Original Message :

Volcanic Ash Advisory issued on 2025-01-23 at 16:24 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission continue.
  • Light volcanic ash emission seen on webcam and satellite mvg w approx 15 nm from summit. A slight shift to wsw exp through t+6. And forecast based on nwp. Evans.

Original Message :

Volcanic Ash Advisory issued on 2025-01-23 at 10:24 UTC.

    Key information extracted from original VAA message :


  • Lessening continuous volcanic ash emission.
  • Continuous volcanic ash emission obsd by satellite extending to 30-35 nmi w of summit. Volcanic ash now dsiptg some with extent shrinking. Volcanic ash was moving wsw but is now moving w. Nwp models forecast continued veering through t+6. Hosley.

Original Message :

Volcanic Ash Advisory issued on 2025-01-23 at 04:48 UTC.

    Key information extracted from original VAA message :


  • Continuous volcanic ash emission.
  • Volcanic ash cloud clrly obsd extending about 10 nmi wsw from summit on g16 imagery. Estd from nwp nwp models forecast little change through. Hosley.

Original Message :

Volcanic Ash Advisory issued on 2025-01-20 at 21:05 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash not detected on various satellite products. Weather clouds cover part of summit area. Konon.

Original Message :

Volcanic Ash Advisory issued on 2025-01-20 at 15:45 UTC.

    Key information extracted from original VAA message :


  • Intermittent emission.
  • Cloud of mainly steam and gas with small amts of volcanic ash possible obsd 80 nmi nw of summit. Vona reports em ending at 13:30 UTC webcam now obscured by weather cloud cover. Nwp models forecast any further em clouds to move wnw. Hosley.

Original Message :

Volcanic Ash Advisory issued on 2025-01-20 at 09:40 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash and gas emission observation.
  • New volcanic ash and gas emission observation move nw from the summit of purace at flight level 190 (5700m) nwp models suggest continue nw move of volcanic ash and gas through t+6hrs before disp. Fisher.

Original Message :