particularly in the upper midwest, great lakes region. that s where we have the risk for tornadoes. farther south, straight line damaging winds will be a threat along with hail. in toward the overnight hours into monday, that will work its way toward parts of the northeast and the southeast as well. active for us. this big zone, big storms following. ahead of that it s heat we are dealing with. record potential heat across the south. the masters final round. that will be a hot one. temperatures getting into the lower 90s. heat and storms. that s what we are following. maybe the heat will help tiger. appreciate that, alex wallace. thank you. talking about weather, huge hail in the carolinas. violent storms unleashed the baseball-sized hail in parts of north carolina and south carolina. people sent hundreds of pictures to local tv stations showing giant hail that landed at the home. that s how big they are.
board an airplane to fly to europe. it s important for health but it doesn t pose a risk just because we can detect it. just because we can detect it doesn t mean it ooh es a risk. thank you so much for stopping by to give us some understanding on that. thank you very much. the libyan government continues to allege conquest over rebel fighterers. the most recent, the shoot down of two u.s.-built helicopters. they were knocked out of the sky over the disputed oil city of brega. that report is not confirmed. rebel forces fired toward ang ajdabiya today. gadhafi continues to elude efforts to overthrow him. appearing on state tv for the first time in two weeks, nbc s stephanie gosk joins us live with the latest on the fighting. by seeing gadhafi on tv what s the reaction on the ground to that?
nuclear power plant. see the thid voe taken after the massive earthquake. officials say the wave that hit the power plant was likely 45 to 48 feet high. crews continue working to cool the reactors and stop radiation spewing from the plant. in the u.s. the number of states impacted by radiation spewing from the plant is rising. look at this map. at least 16 states across the country have detected tiny amounts of radiation. health officials have been quick to say the amounts are so small they pose no risk to human health. joining me live is dr. harold hastings from the fizz physics department at hoffstra university. thank you very much. 16 states across the union. should we worry? we should not. we live with radiation all the time. the detectors are extremely