DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0636 PM CST TUE DEC 21 2021 VALID TIME 220100Z - 221200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... && ... WIND ... && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... &&