Overall Green alert Volcanic eruption for Kilauea
in United States

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.


  • OpenStreetMap
    The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.
100 km


Volcanic Ash Advisory issued on 2021-09-30 at 16:33 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Corrected for advisory number. A signature of possible light volcanic ash was seen in satellite imagery apprx 15nm southwest of summit. Webcam shows plume of mainly steam/gas with possible light volcanic ash. Volcanic ash forecast to move w/wsw through t+6 hours based on nwp. Coverdale.

Original Message :

Received FVXX23 at 16:36 UTC, 30/09/21 from KNES
VA ADVISORY -CORRECTION
DTG: 20210930/1633Z
VAAC: WASHINGTON
VOLCANO: KILAUEA 332010
PSN: N1925 W15517
AREA: HAWAIIAN.IS
SUMMIT ELEV: 4009 FT [1222 M]
ADVISORY NR: 2021/003
INFO SOURCE: GOES-17. HVO. HONOLULU MWO. WEBCAM.
NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
OBS VA DTG: 30/1550Z
OBS VA CLD: SFC/FL040 N1928 W15526 - N1926 W15517 - N1924 W15518 - N1917 W15535 - N1928 W15526 MOV W 10KT
FCST VA CLD +6HR: 30/2200Z SFC/FL040 N1927 W15522 - N1926 W15517 - N1925 W15517 - N1922 W15520 - N1927 W15522
FCST VA CLD +12HR: 01/0400Z NO VA EXP
FCST VA CLD +18HR: 01/1000Z NO VA EXP
RMK: CORRECTED FOR ADVISORY NUMBER. A SIGNATURE
OF PSBL LIGHT VA WAS SEEN IN STLT IMAGERY APPRX
15NM SW OF SUMMIT. WEBCAM SHOWS PLUME OF MAINLY
STEAM/GAS WITH PSBL LIGHT VA. VA FCST TO MOV
W/WSW THRU T+6 HRS BASED ON NWP. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20210930/2230Z