May 23, 2013 Half a dozen temporary shelters have been set up for animals lost when a terrifying tornado hit Moore, Okla. One veterinary technician says, "It's pretty amazing anything could survive what happened, but animals are pretty resilient."
May 23, 2013 Monday's tornado ground parts of the Heatherwood subdivision to bits as it tore through Moore, Okla. At one house, a crushed pickup truck is all that's keeping a garage from collapsing. Neighbors pulled on their work gloves to help one another dig out.
May 23, 2013 Among the first to be remembered is 9-year-old Antonia Candelaria, one of 7 children killed at their elementary school. She and her best friend, Emily Conatzer, were holding on to each other when they both died.
May 22, 2013 What was billed as an informational meeting turned into a counseling session and a chance to recognize principals, teachers and support staff who stepped up in the crisis.
May 22, 2013 Officials think they've found all the survivors, and victims, of the massive tornado that devastated the community of Moore. The official death toll stands at 24. More than 230 people are said to have been injured.
May 21, 2013 A high water table and red clay that soaks up the moisture make dry basements an expensive and iffy proposition right in the heart of Tornado Alley.
May 21, 2013 Trenda Purcell searched for her 8-year-old son Kamden after Monday's tornado in Moore, Okla. When she found him, their reunion was emotional. The Oklahoman was there to capture the moment.
May 21, 2013 The warning is issued by forecasters in the deadliest of situations. It was first used during a storm eerily similar to Monday's. It was 1999 and the Norman, Okla., office foretold a twister that left 46 people dead and injured 800.
May 21, 2013 As it roared through the Oklahoma City suburb of Moore, packing winds of up to 200 mph, the twister flattened buildings. Searchers continue to look for survivors and those who were killed.
May 20, 2013 Twitter captures firsthand accounts and reaction from the massive tornado that swept through central Oklahoma.
May 20, 2013 The National Weather Service says it was at least an EF-4 tornado with winds in excess of 166 mph.
May 20, 2013 The state straddles Tornado Alley and has had a number of especially strong twisters leave a path of death and destruction in their wake.
May 20, 2013 Tornado strength is currently measured on what is called the Enhanced Fujita Scale, which gives the tornado a rating from 0 to 5 based on estimated wind speeds and the severity of the damage.
May 20, 2013 Helicopter images of Moore, Oklahoma show tracts of devastated neighborhoods.
May 20, 2013 From Texas to the upper Great Lakes, forecasters are warning that the weather will be rough Monday, Tuesday and Wednesday. Tornadoes are possible in the Plains States. Elsewhere, severe thunderstorms — some with hail — are likely. In Oklahoma, two people have died from storm-related injuries.