Pictures Deadly Storm Slams Oklahoma, Arkansas, Texas April 15, 2011 / 8:43 AM CDT / CBS News This large hail stone fell in Flower Mound. (credit: Lori Conrad/KTVT/KTXA) Southlake Hail These hail stones dropped down in Southlake. (credit: Gary Sutton) Plano Hail The hail in Plano almost looked like snow on the ground. (credit: Isabel Martinez) Carrollton Hail Some hail fell down in Carrollton. (credit: Rebecca Bruner) Carrollton Hail Some hail fell down in Carrollton. (credit: Rebecca Bruner) Carrollton Hail The hail fell so hard in parts of Carrollton that it almost looked like snow. (credit: Josh Donovan) Carrollton Hail The hail fell so hard in parts of Carrollton that it almost looked like snow. (credit: Josh Donovan) Carrollton Hail The hail fell so hard in parts of Carrollton that it almost looked like snow. (credit: Josh Donovan) Carrollton Hail The hail fell so hard in parts of Carrollton that it almost looked like snow. (credit: Josh Donovan) Tushka School Destroyed The only school in the small Oklahoma town of Tushka was completely destroyed. (credit: Dakota Williams) Severe Weather In Oklahoma Dark clouds build ahead of a severe storm in southeastern Oklahoma. (credit: Tulsa World Newspaper) Severe Weather In Oklahoma Severe storms approach southeastern Oklahoma. (credit: Tulsa World Newspaper) Severe Weather In Oklahoma Storms start to attack southeastern Oklahoma. (credit: Tulsa World Newspaper)