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.



Volcanic Ash Advisory issued on 2020-12-21 at 15:13 UTC.

    Key information extracted from original VAA message :


  • Emission are mainly steam and gas.
  • No volcanic ash signature obsd in satellite imagery or webcam at this moment. No ashfall reported by meteorological watch office or hvo. Per discussion with mwo, likely that a ll emission are steam and gas. Hosley.

Original Message :

Received FVXX23 at 15:15 UTC, 21/12/20 from KNES
VA ADVISORY
DTG: 20201221/1513Z
VAAC: WASHINGTON
VOLCANO: KILAUEA 332010
PSN: N1925 W15517
AREA: HAWAIIAN.IS
SUMMIT ELEV: 4009 FT [1222 M]
ADVISORY NR: 2020/003
INFO SOURCE: GOES-17. HONOLULU MWO. WEBCAM.
ERUPTION DETAILS: EMS ARE MAINLY STEAM AND GAS.
OBS VA DTG: 21/1501Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA,
FCST VA CLD +6HR: 21/2100Z NO VA EXP
FCST VA CLD +12HR: 22/0300Z NO VA EXP
FCST VA CLD +18HR: 22/0900Z NO VA EXP
RMK: NO VA SIG OBSD IN STLT IMAGERY OR WEBCAM
ATTM. NO ASHFALL RPRTD BY MWO OR HVO. PER
DISCUSSION WITH MWO, LKLY THAT A LL EMS ARE STEAM
AND GAS. ...HOSLEY
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2020-12-21 at 09:14 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash eruption to flight level 300 (9000m).
  • Volcanic ash cloud observation ext up to 40 nm ssw from summit area. Weather forecast office repeats volcanic ash cloud to flight level 300 (9000m) detected on local radar. Social media images confirm activity. Continued ssw-ly mvmt exp through t+6 hours. Clark.

Original Message :

Received FVXX23 at 09:16 UTC, 21/12/20 from KNES
VA ADVISORY
DTG: 20201221/0914Z
VAAC: WASHINGTON
VOLCANO: KILAUEA 332010
PSN: N1925 W15517
AREA: HAWAIIAN.IS
SUMMIT ELEV: 4009 FT [1222 M]
ADVISORY NR: 2020/002
INFO SOURCE: GOES-17. HONOLULU MWO. NWP MODELS.
ASH3D. SOCIAL MEDIA. HONOLULU WFO
ERUPTION DETAILS: VA ERUPTION TO FL300
OBS VA DTG: 21/0906Z
OBS VA CLD: SFC/FL300 N1927 W15519 - N1926 W15517 - N1853 W15515 - N1856 W15535 - N1927 W15519 MOV S 50KT
FCST VA CLD +6HR: 21/1500Z SFC/FL300 N1929 W15519 - N1928 W15514 - N1755 W15511 - N1802 W15556 - N1929 W15519
FCST VA CLD +12HR: 21/2100Z NO VA EXP
FCST VA CLD +18HR: 22/0300Z NO VA EXP
RMK: VA CLD OBS EXT UP TO 40 NM SSW FM SUMMIT
AREA. WFO RPTS VA CLD TO FL300 DETECTED ON LOCAL
RADAR. SOCIAL MEDIA IMAGES CONFIRM ACT. CONTD
SSW-LY MVMT EXP THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20201221/1515Z
Volcanic Ash Advisory issued on 2020-12-21 at 08:46 UTC.

    Key information extracted from original VAA message :


  • Repeted volcanic ash eruption to flight level 300 (9000m).
  • We have received information suggesting a possible volcanic ash emission. We will gather further information and issue a full advisory as soon as possible.

Original Message :

Received FVXX20 at 08:47 UTC, 21/12/20 from KNES
VA ADVISORY
DTG: 20201221/0846Z
VAAC: WASHINGTON
VOLCANO: KILAUEA 332010
PSN: N1925 W15517
AREA: HAWAIIAN.IS
SUMMIT ELEV: 4009 FT [1222 M]
ADVISORY NR: 2020/001
INFO SOURCE: GOES-16. RADIOSONDE. HONOLULU WFO
ERUPTION DETAILS: RPTD VA ERUPTION TO FL300
OBS VA DTG: 21/0830Z
OBS VA CLD: SFC/FL300 N1926 W15518 - N1926 W15516 - N1916 W15519 - N1919 W15525 - N1926 W15518 MOV SW 40KT
FCST VA CLD +6HR: NOT AVBL
FCST VA CLD +12HR: NOT AVBL
FCST VA CLD +18HR: NOT AVBL
RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A
POSSIBLE VA EMISSION. WE WILL GATHER FURTHER
INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS
POSSIBLE.
NXT ADVISORY: AS SOON AS POSSIBLE