WOAA47 NZKL 140617 ICE ACCRETION WARNING 250 THIS AFFECTS OCEAN AREA: SOUTHERN AT 140600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 62S 164W 66S 160W 66S 177E 63S 178W 62S 164W: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 20KT. THIS WARNING CANCELS AND REPLACES WARNING 246.=