VOLCANO OBSERVATORY NOTICE FOR AVIATION — VONA
(2) Issued: 20191014/2120UTC.
(3) Volcano Name: Metis shoal, Volcano Number: 243070
(4) Current Aviation Colour Code: ORANGE
(5) Previous Aviation Colour Code: yellow
(6) Source: Pilot Report (Real Tonga Flight number R4801 and R4802)
(7) Notice Number: 2, 2019
(8) Volcano Location: 19.18S, 174.87W
(9) Area: Ha’apai, Tonga
(10) Summit Elevation: 141FT (43M) (Now sub-marine volcano)
(11) Volcanic Activity Summary:
We just reconfirmed with the pilot on his way back that 25-30nm north of Kao, towering smoke erupting up to 15,000-17,000ft. Pictures that can assist with the accuracy.
(12) Volcanic Cloud Height: 15,000-17,000ft FT above summit (Pilot observations)
(13) Other Volcanic Cloud information:
Pilot noted continuous white plumes of cloud, density of ash cloud: Wispy. Eruption: Intermittent.
(14) Remarks: Wind direction at NFTL Met Station: 07007KT
(15) Contacts: Tonga MET Services (+67635355) email: metstaff@met.gov.to
(16) Next Notice: A new VONA will be issued around the 150400UTC or earlier depending on domestic flights or shipping reports.
ENDS
For further information please contact the Meteorology Division on 35355 or metstaff@met.gov.to. More information is also available at www.met.gov.to