Diagnosis of the Relationship between Dust Storms over the Sahara Desert and Dust Deposit or Coloured Rain in the South Balkans
Figure 2
Vertical velocity fields at 12:00 UTC on 25 March 1992 at, (a) 850 hpa, (b) 700 hpa, and (c) 500 hpa. Isopleths of vertical velocity: every 0.3 Pas-1 (dash: upward; continuous: downward).