WOAA47 NZKL 290121 ICE ACCRETION WARNING 673 THIS AFFECTS OCEAN AREA: SOUTHERN AT 290000UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 64S 154W 59S 144W 60S 130W 66S 120W 64S 154W: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 10KT. THIS WARNING CANCELS AND REPLACES WARNING 668.