NEW : The ash will reach Scotland on Tuesday , Europe 's umbrella air traffic control association says . NEW : Eurocontrol predicts the cloud could reach France and Spain on Thursday . Ash is expected to reach Scotland on Tuesday and could enter France and Spain on Thursday , Eurocontrol said . Comment: There is no effect on European or transatlantic flights , Eurocontrol says .
NEW : The ash will reach Scotland on Tuesday , Europe 's umbrella air traffic control association says . NEW : Eurocontrol predicts the cloud could reach France and Spain on Thursday . Comment: There is no effect on European or transatlantic flights , Eurocontrol says .