000 NOUS44 KOUN 201548 PNSOUN PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 1048 AM CDT MON MAY 20 2013 DAMAGE SURVEY TEAMS IN THE SHAWNEE OKLAHOMA AREA HAVE FOUND PRELIMINARY INDICATIONS OF EF-4 DAMAGE. FURTHER UPDATES AND MORE DETAILED INFORMATION OF THIS AND OTHER TORNADO DAMAGE AREAS WILL BE RELEASED LATER TODAY AND TUESDAY. $$