MESOSCALE DISCUSSION 0482 NWS STORM PREDICTION CENTER NORMAN OK 0939 PM CDT TUE APR 19 2011 AREAS AFFECTED…NRN MS THROUGH NRN AL AND MIDDLE TN CONCERNING…SEVERE POTENTIAL…WATCH LIKELY VALID 200239Z – 200345Z A WW WILL LIKELY BE NEEDED BY 03Z … Continue reading →