VAAC TOULOUSE REPORT. WMO VAAC Best Practice Workshop London 5-8 May 2015

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1 VAAC TOULOUSE REPORT WMO VAAC Best Practice Workshop London 5-8 May 2015

2 VOLCANIC ERUPTIONS

3

4 VOLCANIC ERUPTIONS 2012/2015 (up to April 30th) : Issuance of 204 operational VAA/VAG (138 for Mt Etna, 50 for Fogo, 8 for Stromboli, 3 for Piton de la Fournaise, 2 for Calbuco, 1 for Nabro, 1 for Nyiragongo, 1 for Heard,). ETNA : Mainly weak or moderate activity between January and June 2012 with 10 eruptions among witch 4 significant eruptions (TOP of VA cloud estimated above FL250/300). In 2013 regular activity all year long with 32 active episodes among which 6 significant eruptions In 2014, mostly, short, and weak/moderate activity mainly SO2 productive. In 2014 the major part of the activity occured between January and August -. In 2014 and 2015 so far less than twenty feeble/moderate eruptions without significant VA cloud.

5 VOLCANIC ERUPTIONS 2012/2015 (up to April 30th) : FOGO : continuous activity from 23/11 to 04/12/2014 with plume mainly composed of SO2. Ash fallout reported in the close vicinity of the volcano. VA not discernible except for a couple of pixel on the volcano spot. STROMBOLI : moderate activity between August and October PITON (2014/2015): lava flow without significant ash emission in the atmosphere CALBUCO : handover 28/04 with only SO2 expected over Toulouse AoR HEARD (2013)/ NABRO (Jan 2012) : VAA/VAG based on a PIREP no VA discernible NYIRAGONGO (01/11/2012): plume mainly composed of SO2 (suspicion of ash) BARDARBUNGA

6 SERVICE CHANGES

7 SERVICE CHANGES : LoA signed with INGV in July 2014 VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:( /0910Z) (3) Volcano:Etna (4) Current Color Code:ORANGE (5) Previous Color Code:RED (6) Source:Etna Volcano Observatory (7) Notice Number:2015/0012/03F08 (8) Volcano Location:3744N E (9) Area:Italy (10) Summit Elevation:3300 m (11) Volcanic Activity Summary : ASH EMISSION IS FINISHED - STROMBOLIAN EXPLOSIONS PROBABLY STILL OCCUR 12) Volcanic cloud height:n/a (13) Other volcanic cloud information: : NO ASH EMISSION (14) Remarks:THE PHENOMENON IS OBSERVED BY VIDEOSURVEILLANCE CAMERAS FROM 0700Z THE SUMMIT OF THE VOLCANO IS CLOUDY (15) Contacts:24/7 OE Control Room operator turnista@ct.ingv.it Eugenio Privitera (OE Director)direttore.oe@ingv.it (16) Next Notice:A new VONA will be issued if conditions change significantly or the colour code is changes.

8 SERVICE CHANGES : IMPROVEMENT OF CONTINUITY SHAPE 24/01/2014 : Buenos Aires/Toulouse One single day exercise 08h-17h UTC using the met of the day Issuance of 6 coordinated VAA/VAG based on the exhange of VAG drafts (4 from Buenos Aires and 2 from Toulouse : each VAAC depicting the VA cloud in its own AoR) Assessment : successful exercise protocol with exchange of several graphical and mail information but lack of time to discuss Perspective : perform a future exercise to focus more on the Collaborative Decision on Analysis and Forecast process (enhance and increase discussion about met situation, shape and motion of the VA cloud ) BACK UP exercises with London VAAC (3 in 2014, 2 in 2015)

9 EXTENDED VAG (Conc 8/18) : 2 CONFIDENCE LEVELS

10 FUTURE CHALLENGES

11 SERVICE CHANGES LIDAR Network : - Delayed to end 2015 (change of provider) -Initiation training course for interpretation already provided to VAAC forecasters (during Bardabunga event). - Forcasters tool : - Initialisation of VA SIGMET from a VAA (from any VAAC)

12 FUTURE CHALLENGES - Renewing of VAAC Toulouse web site (expected end 2015) - Page on ICAO products (VAA text, VAG in png, VAG in csv files, (to be replaced by XML in 2016) + possible experimental products such as Extended VAG - Page on additional products (Concentration Contamination charts, Satellite annotated images) in response to EUR/NAT future requirements - Aerosols Assimilation in MOCAGE - LIDAR /Sat data - Improvement of forecaster tool - to allow modification on all kind of products (sat, contamination charts).

13 FUTURE CHALLENGES : TOTAL COLUMN CHARTS VAAC Toulouse has undertaken developments to provide (to forecasters, as a fist step) charts of total column (integrated on the vertical of each point) to be used as comparison with SAT imagery.

14 FUTURE CHALLENGE : COLUMN TOP/BOTTOM CHARTS

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