WOAA47 NZKL 130654 ICE ACCRETION WARNING 293 THIS AFFECTS OCEAN AREA: SOUTHERN AT 130600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 70S 173E 67S 176E 64S 155W 72S 136W 70S 173E: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 15KT. THIS WARNING CANCELS AND REPLACES WARNING 284.