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
STROMBOLI2024-11-13 09:35:21Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-11-11 06:13:34Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-11-10 11:06:00Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-11-10 10:46:18Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-11-10 10:13:57Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2024-11-07 15:45:44Aviation Color Code: GREENDOWNLOAD PDF
ETNA2024-11-07 15:44:39Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2024-11-06 18:29:58Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-11-03 10:53:20Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-11-02 18:12:21Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-10-29 13:53:03Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-10-21 13:38:28Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-10 09:20:18Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-09 12:49:28Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-09 09:40:32Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-08 17:10:02Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-06 08:04:20Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-06 01:37:06Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-02 09:09:38Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-10-01 03:19:45Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-09-23 07:45:25Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2024-09-13 23:34:48Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-08-30 02:02:35Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-08-20 16:29:11Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-08-16 18:36:19Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-08-15 19:09:16Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-08-15 04:19:38Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-08-14 23:51:21Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-08-14 22:52:34Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-08-14 17:16:13Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-08-13 18:06:02Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-08-04 11:18:14Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-08-04 09:01:19Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-08-04 03:42:21Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-08-04 02:45:08Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-23 09:06:14Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-07-23 07:28:33Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-23 02:59:25Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-22 20:44:17Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-16 04:27:02Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2024-07-15 19:45:10Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-15 19:16:07Aviation Color Code: REDDOWNLOAD PDF
ETNA2024-07-14 16:29:07Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-07-12 09:14:36Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2024-07-11 12:30:59Aviation Color Code: REDDOWNLOAD PDF
INDIETROAVANTI