Some facts related to the wind loo are-Loo winds are formed over the Iranian, Baloch, and Thar deserts.High temperatures in northwest India in May and June are responsible for blowing loo winds.The loo blows a hot, dusty, and strong wind.Loo normally begins blowing around 9.00 a.m., gradually increases in intensity, and reaches its peak in the afternoon.It blows at an average speed of 30-40 km/h and lasts for days.