Left: present densely urbanized part of Zagreb. Hatched areas (1 and 2) represent areas of hypothetical urbanization. Right: wind speed in the point B for present state of urbanization (black line), state of urbanization of area 1 (blue line), and state of urbanization of areas 1 and 2 (red line). (Z. Bencetić Klaić, T. Nitis, I. Kos i N. Moussiopoulos, Meteorology and Atmospheric Physics 79, 2002, 1 – 12).