Volcano Observatory Notices for Aviation (VONA)
Volcano Observatory Notices for Aviation (VONA) are succinct, plain-English messages aimed at dispatchers, pilots, and air-traffic controllers to inform them of volcanic unrest and eruptive activity that could produce ash-cloud hazards.


DISCLAIMER
Using volcanic cloud height data for publication is only allowed if the following papers are cited:
VOLCANO
DATE
DESCRIPTION
FILE TYPE
ETNA2023-05-21 07:37:35Aviation Color Code: REDDOWNLOAD PDF
ETNA2023-05-18 15:51:06Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2023-05-18 10:42:54Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2023-05-14 16:30:38Aviation Color Code: GREENDOWNLOAD PDF
ETNA2023-05-14 07:02:52Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2023-05-07 09:48:49Aviation Color Code: GREENDOWNLOAD PDF
ETNA2023-05-06 21:58:18Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2023-03-26 20:59:23Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-24 00:15:57Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-12 20:24:27Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-11 03:48:24Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-10 12:44:35Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-09 17:45:36Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-09 08:34:33Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-03-08 07:41:54Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-02-28 20:22:36Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-02-27 08:04:43Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2023-02-14 18:10:56Aviation Color Code: GREENDOWNLOAD PDF
ETNA2023-02-07 17:43:40Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2023-01-31 18:10:10Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-26 11:36:20Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2023-01-25 14:39:52Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-24 16:07:53Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-20 08:21:43Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2023-01-17 15:40:38Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-17 10:33:24Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-03 16:09:21Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2023-01-02 23:43:17Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-28 19:13:11Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-26 20:59:46Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-20 09:06:52Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-16 14:41:19Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-15 16:38:02Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-12-04 15:49:01Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-11-27 21:44:51Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-11-27 18:48:02Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-11-16 10:20:01Aviation Color Code: GREENDOWNLOAD PDF
ETNA2022-11-15 19:09:43Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2022-10-17 11:18:21Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2022-10-17 07:26:59Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2022-10-11 07:56:55Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-06-17 16:04:41Aviation Color Code: GREENDOWNLOAD PDF
ETNA2022-06-16 12:56:24Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-06-03 15:56:59Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-06-03 09:50:24Aviation Color Code: REDDOWNLOAD PDF
INDIETROAVANTI