Dust deposit on a car in Oxford.
The photograph was taken at midday
on 10 November 1984, following the rain and
dust fall of the previous evening.
500mbar contour chart for midnight GMT on 9, november, 1984.
The trajectory calculated from a series of 500mbar charts,
back platted from Oxford at 1800 GMT on the 9th.
Schematic diagram of possible transport
from the sahara to the Britain Isles.
The Trajectory calculated from a series of 500mbar charts,
back platted from Oxford at 1800 GMT on the 9th
中層圏の大気は、西ヨーロッパを経由して北アフリカからイギリスに向かうため、サハラで生じた砂嵐がアトラス山脈を越えてイギリスまで移動する形で現れます。
(R.F.Fill, 1986)