DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0636 PM CST SUN DEC 23 2018 VALID TIME 240100Z - 241200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... && ... WIND ... && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... &&