A massive dust storm took place in Tehran on June 2, 2014 at 4:50pm (local time).
Falling trees and objects and balconies disconnected 65 of 1200 electric 20 KW lines.
[1][2][3] During the spring of 2014, heavy rain and hailstorms struck the Iranian capital of Tehran, surprising residents and causing traffic jams across the city.
The fierce June 2 hurricane, packed with thunder and lightning, battered the northern parts of Tehran and lasted for more than an hour.
[4] According to Institute of Geophysics, wind speed was 80 km/h;[5] Meteorological Organization of Iran reported 120 km/h.