7-9 1 1 D 9+ ▲ 7● 6 3 1 7 3 1 ▲● 9+ F E 7-9 1 8 1 5 3 7 3 ▲● 9+ G 3 6 6 9+ H 5 4 9+ 5 4 ▲ 7● 6 ▲● 7 3 ▲● 7 3 ▲ 7● 6 I 9+ J 9+ K 10 L 10 6 ▲ 7● ▲ 7● ICE E ▲● 8 DG E 65°S C A B F H 70°S I L 75°S J I E G E D K K I K 70°S 80°S ▲● IF 65°S ▲● C 55°S B 60°S 1-3 160°W 60°S A 170°W 55°S 180° 180° 170°W 160°W 150°W 140°W 130°W 120°W ICE ANALYSIS Ross Sea East NATIONAL/NAVAL ICE CENTER IF = ICE FREE COLOR CODES BASED ON TOTAL CONCENTRATION ICE FREE 4-6 TENTHS LESS THEN 1 TENTH FAST ICE (TEN TENTHS) 7-8 TENTHS ICE SHELF 1-3 TENTHS 9-10 TENTHS UNDEFINED ICE 110°W Analysis Week 17 - 21 Sep 2012 Data Sources Date MODIS.........15 - 17 Sep QUIKSCAT...........16 Sep SSM/I.........16 - 17 Sep Analysts: Walter, William (NAVY CIV) UNCLASSIFIED
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