Flood Advisory issued May 21 at 7:38AM CDT until May 21 at 10:45AM CDT by NWS Norman OK

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of central Oklahoma, including the following counties, Canadian and Grady. * WHEN...Until 1045 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At