The change in wind direction could affect air traffic in Tenerife tomorrow

The calculations of the amount of lava emitted by the La Palma volcano vary between 39.6 and 60 million cubic meters (m3) depending on the measurement system used, a variation that highlights the difficulty of having a exact figure.

This was revealed this Sunday during the press conference after the Scientific Committee, which was attended by the technical director of the Canary Islands Volcanic Emergency Plan (Pevolca), Miguel Ángel Morcuende; and the director of the National Geographic Institute (IGN) in the Canary Islands, María José Blanco.

Precisely Blanco pointed out that Involcan stated in today’s meeting that the value of the magma expelled from sulfur dioxide emissions reaches 39.6 million cubic meters.

On the other hand, to highlight the difficulty of reaching an exact data, he observed that the estimated value through a satellite measurement raises the figure to about 60 million cubic meters. “There is a dance of figures that at this time it is not possible to confirm,” he clarified.


On the other hand, the director pointed out that this Sunday the prevalence of the north component will continue but as of this Monday, between 07:00 and 13:00, a west component turn is expected.

This wind turn will cause a displacement of the ash plume and sulfur dioxide from its current position with a north-south configuration to a west-east distribution throughout tomorrow.

“The expected changes in the wind regime – he continued – may affect the operation of La Palma Airport starting tomorrow and it cannot be ruled out that it will also affect the airports in Tenerife”.


In this regard, the director of Pevolca has explained that the air quality on La Palma is reasonably good as the maximum thresholds for sulfur dioxide and the size of the suspended particles are not exceeded.

In total, he explained that the area affected by the volcano is already 525.77 hectares –33.02 more than yesterday–; that the maximum width after the rupture of the northwest cone this night amounts to 1,520 meters; and that the strip occupies about 34 hectares of land.

In addition, Morcuende explained that of the 1,281 infrastructures damaged by the lava, 1,186 have been destroyed and 95 have suffered damage.


On the runoffs, after the destruction of the cone, several of these new emissions have taken place, the one located further to the northwest being practically braked.

Meanwhile, the second one that is more to the northwest has activity and two branches; the north branch, which is at the height of the Cementera, advances at about five meters per hour – a minimal advance. “But we are monitoring it because it can reach the head of a mini-basin and vary the route, which could create some complication that would entail taking new civil protection measures,” he said.

Finally, in the lower part, the other branch has already passed the LP-213 road and the forecast is that it will go parallel to the previous one and look for an exit in the north of the Todoque mountain pushing the old arm that has been stopped for days .

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