....... and that 1800Z map shows the London Airports as engulfed in the same alleged 'ash cloud' defined precisely with its accompanying "UNKNOWN ASH CONCENTRATIONS" footnote as we have be looking at for the past six days.
Tell me that NATS haven't been making UK Controlled Airspace closure decisions based on this ill-defined data.....
Clearly the entire aviation industry has an awful lot of homework to do to make a much better go of it next time. As a society we could also look at not being so dependent on intenational air navigation in future.....
Finally, what do we do when the volcano continues to erupt and the wind (meterological or political) changes direction in the next few days!