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
ETNA2019-12-03 15:42:34Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-19 10:27:35Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-19 06:29:12Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-18 10:44:32Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-17 06:33:12Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-16 09:24:14Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-16 05:52:28Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-12 10:16:17Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-12 07:06:07Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-11 16:26:22Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-11 04:49:07Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-10 16:46:07Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-10 09:34:29Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-06 16:53:41Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-05 09:21:30Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-02 06:31:05Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-10-01 09:02:21Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-10-01 07:13:41Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2019-09-26 13:14:25Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-09-16 12:09:20Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-09-13 16:59:17Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-09-09 05:45:24Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-09-06 11:16:18Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2019-08-28 13:50:13Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2019-08-28 10:48:47Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-08-25 07:34:12Aviation Color Code: GREENDOWNLOAD PDF
ETNA2019-08-20 07:54:10Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-08-11 07:44:12Aviation Color Code: GREENDOWNLOAD PDF
ETNA2019-08-08 08:05:21Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2019-08-07 16:24:05Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-08-07 05:13:53Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-08-06 15:52:17Aviation Color Code: YELLOWDOWNLOAD PDF
STROMBOLI2019-07-30 09:05:34Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-30 09:05:18Aviation Color Code: GREENDOWNLOAD PDF
ETNA2019-07-28 19:52:39Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-07-28 07:08:25Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-27 09:36:05Aviation Color Code: REDDOWNLOAD PDF
STROMBOLI2019-07-23 13:09:13Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-21 09:22:13Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-20 03:13:12Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-19 20:18:06Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-07-19 10:54:36Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-19 09:21:15Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-07-14 13:58:26Aviation Color Code: ORANGEDOWNLOAD PDF
STROMBOLI2019-07-10 13:01:49Aviation Color Code: ORANGEDOWNLOAD PDF
INDIETROAVANTI