"The cumulonimbus (dense towering vertical cloud associated with thunderstorms) brings tall thunderstorms and dusty winds with a speed of over 92kmph and are caused because of western disturbance, which is currently over Pakistan.
The meeting of cold air and hot air on the Indo-Gangetic plains causes low pressure area and also lot of instability. This results in severe thunderstorm," IMD director general LS Rathore said.
The storm affected northeast Haryana and the NCR. But parts of east Delhi, Noida and Ghaziabad were affected the most, he said.
Police in Ghaziabad said the storm claimed three lives and injured more than a 12 people besides causing heavy loss to property in different parts of the city.
