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Current* Antarctic large iceberg positions derived from ASCAT**

* Last revised: 09:11:46 04/18/17

**Operational users please note: This list cannot possibly contain all potentially hazardous icebergs in Antarctic waters -- Scatterometers such as ASCAT were designed for measuring ocean winds, not icebergs. Scatterometer data is useful for tracking icebergs, but is limited. During the Austral summer contrast between ocean and melting icebergs is reduced, which can result in gaps in visibility. Futher, as the SCP team is not an operational agency, errors are expected and we cannot be held responsible for omissions or errors in this database. Also note that the large icebergs tracked here tend to shed smaller iceberg fragments which are serious navigation hazards in nearby areas. Fragments (large and small) can drift substantial distances from their origins.

This information supplements the Antarctic Iceberg dataset maintained by the U.S. National Ice Center (NIC). If an inconsistency is observed, we recommend that NIC be considered authoritative.

This page is typically updated once or twice a week, typically on Mondays and possibly Fridays. Positions reported here are extracted from near real-time ASCAT data. Positions reported in the full iceberg database are generated from science data and have been more accurately tracked. The full database is updated only a few times per year

 
Iceberg***   Longitude   Lattitude Most recent observation  
(day of year****)
a23a41 15'W 75 51'S 106
a57a59 19'W 65 30'S 106
a57b59 54'W 68 10'S 106
a6130 49'W 63 19'S 106
a6346 10'W 76 18'S 106
a6461 17'W 69 42'S 106
b09b142 38'E 66 37'S 106
b09d41 13'W 63 44'S 106
b09f51 32'W 66 40'S 106
b09g41 45'E 68 0'S 106
b09h46 19'E 65 43'S 106
b09i135 23'E 65 4'S 106
b15aa10 6'E 69 56'S 106
b15ab51 16'E 65 58'S 106
b15t52 21'W 67 5'S 106
b15z51 31'W 66 36'S 106
b1634 7'W 74 21'S 106
b22a108 52'W 74 8'S 106
b28108 39'W 74 50'S 106
b29109 4'W 74 38'S 106
b30156 5'W 73 28'S 106
b31115 29'W 70 35'S 106
b35112 39'W 71 27'S 106
b37108 36'W 74 23'S 106
b38155 16'W 77 4'S 106
b39134 43'E 65 3'S 106
b40132 25'E 65 39'S 106
b41111 9'W 71 46'S 106
c15143 24'E 66 17'S 106
c18b114 1'E 65 27'S 106
c21b96 3'E 64 51'S 106
c2496 6'E 64 53'S 106
c28b51 29'W 66 38'S 106
c29143 6'E 66 9'S 106
c3096 15'E 64 45'S 106
c3195 59'E 64 52'S 106
c32160 31'E 69 23'S 106
c33162 7'E 69 41'S 106
d15a81 36'E 66 35'S 106
d15b81 57'E 67 12'S 106
d20a36 14'E 68 56'S 106
d20b35 46'E 68 28'S 106
d21a46 52'W 65 19'S 106
d21b77 0'E 66 23'S 106
d2287 11'E 65 53'S 106
d2374 43'E 69 28'S 106
d2629 41'E 69 20'S 106
uk23513 17'E 69 48'S 106
uk324149 35'E 66 44'S 106
uk32516 22'E 69 51'S 106
uk32613 12'E 69 51'S 106

*** National Ice Center (NIC) iceberg designations are used where possible. Additional fragments are numbered. Icebergs not designated by NIC are denoted as "uk". Fragments not separately tracked by NIC may have additional numbers following their designation.

**** UTC day-of-year. Day of year chart

BYU Antarctic Iceberg Database - Comprehensive historic database of Antarctic iceberg positions derived from enhanced resolution scatterometer image time series spanning from 1978 through the present.

Selected papers on scatterometer iceberg tracking:
Paper (2.1MB pdf) K.M. Stuart and D.G. Long, "Tracking large tabular icebergs using the SeaWinds Ku-band microwave scatterometer", Deep-Sea Research Part II, doi:10.1016/j.dsr2.2010.11.004, Vol. 59, pp. 1285-1300, 2011.
Paper (620 kB pdf) D.G. Long, Jarom Ballantyne, and C. Bertoia, "Is the Number of Icebergs Really Increasing?" EOS, Transactions of the American Geophysical Union, Vol. 83, No. 42, pp 469 & 474, 15 Oct. 2002)