an understatement. >> reporter: fema says that they will be working through the night because they think since they found the seven people, that there are more survivors out there. they hope that they will be able to get to those people as the rain comes down and more severe weather is in the forecast as well, wolf. in fact, a moderate risk of severe storms, including the threat of tornadoes, is in the forecast for southwestern missouri, including joplin, and the storm prediction center saying that they may have to increase that risk to what they call a high risk and we only get a handful of those each year. wolf? >> jacqui jeras on the scene there. the last thing that people need there is more bad weather. to find out how you can help those devastated by the tornadoes, go to cnn.com/impact. you'll find all of the organizations and the way that you can help those in need. that's at cnn.com/impact. stand by for more coverage of this tornado disaster.