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VAACVolcanic Ash Advisory Center
VAACValle Arriba Athletic Club (Venezuela)
VAACVolvo Ambient Air Cleaner (Volvo vehicles)
VAACVeterans Affairs Advisory Committee (Washington)
VAACVectored-thrust Aircraft Advanced Flight Control (active control technology research)
VAACViral Antigen-Antibody Complex
References in periodicals archive ?
Eritrea's Dubbi volcano erupted and sent a plume of ash up to 15 kilometers into the air on Monday, the Volcanic Ash Advisory Center said, disrupting air traffic in the region, according to AFP.
The ash cloud is likely to reach Saudi Arabia by Monday late night or Tuesday early morning," warned an African airline official, citing predictions by the France-based Volcanic Ash Advisory Center (VACC).
Britain's Met Office Volcanic Ash Advisory Center said that its latest forecast showed no high density ash over Britain or Ireland early Wednesday, and only a medium level over parts of Scotland.