DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1106 AM CDT WED MAR 17 2021 VALID 171630Z - 181200Z ...THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS WEST-CENTRAL ALABAMA...NORTHERN AND CENTRAL MISSISSIPPI...NORTHEAST LOUISIANA...FAR SOUTHEAST ARKANSAS... ..SUMMARY A SIGNIFICANT TORNADO OUTBREAK IS EXPECTED WITH NUMEROUS STRONG AND A FEW LONG-TRACK, POTENTIALLY VIOLENT TORNADOES. AN INITIAL ROUND IS EXPECTED TO BEGIN ACROSS EASTERN MISSISSIPPI AND ALABAMA THIS AFTERNOON. A SEPARATE SWATH SHOULD EMANATE FROM SOUTHEAST ARKANSAS TO LOUISIANA THIS AFTERNOON AND SPREAD EAST ACROSS MISSISSIPPI AND ALABAMA THIS EVENING INTO TONIGHT.