Description : What is pyroclastic flow?
Last Answer : A pyroclatic flow is a superheated flow of hot air, debris, ash. boulders and toxic gases. The Pyroclastis flow comes pouring down the volcanoe at 140-150 MPH the temperature can be around 1000 degrees Celsius. Best ... one of these go off. Also never get by the lava after it has been erupted!!!!!!!