are being urged to get ready for more severe weather as the storms continue to sweep across the country. i'm joined now by jack sillin, a weather modeller from cornell university. i gather you have been out taking weather readings. what are conditions like at the moment? in are conditions like at the moment?— are conditions like at the moment? , , ., ., ~ moment? in upstate new york we are seeing — moment? in upstate new york we are seeing the — moment? in upstate new york we are seeing the leftovers _ moment? in upstate new york we are seeing the leftovers that - are seeing the leftovers that brought the severe weather to the midsouth and we register gusts up to 55 mph on the shores of lake ontario and no major issues now that things have settled down. the major issues now that things have settled down.— have settled down. the “obs lasted many i have settled down. the “obs lasted many hours. * have settled down. the jobs lasted many hours. how- lasted many hours. how significant is the length of the tornados? it significant is the length of the tornados?— significant is the length of the tornados? it is significant how [one the tornados? it is significant how long they _ the tornados? it is significant how long they lasted - the tornados? it is significant how long they lasted from i the tornados? it is significant how long they lasted from a l how long they lasted from a scientific perspective. they normally last 30 minutes, one hour, but these are called super cells which means they last many hours due to the fact that have a rotating updraught. the storm that produced the