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
ETNA2023-02-07 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
ETNA2022-06-03 05:49:00Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-06-03 04:29:38Aviation Color Code: REDDOWNLOAD PDF
ETNA2022-06-02 15:32:01Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-06-01 17:46:21Aviation Color Code: REDDOWNLOAD PDF
ETNA2022-05-23 04:40:29Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-05-22 18:07:23Aviation Color Code: REDDOWNLOAD PDF
ETNA2022-05-12 18:47:18Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-05-12 17:31:53Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-04-05 14:57:42Aviation Color Code: GREENDOWNLOAD PDF
ETNA2022-03-29 18:07:55Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-03-22 17:00:06Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-03-15 20:07:14Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-03-08 15:14:00Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-03-01 16:23:33Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-02-23 18:20:22Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-02-22 17:49:57Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2022-02-21 17:11:23Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2022-02-21 11:27:09Aviation Color Code: REDDOWNLOAD PDF
INDIETROAVANTI