Iceberg, A-69C. A-69C is located at at 66°51’ South, 59°39’ West, in the Weddell Sea. It measures 10 nautical miles on its longest axis and 3 nautical miles on its widest axis.
With the Arctic Weekly Hemispheric Analysis change for all First Year Ice to Egg Code 6, the codes are defined as follows:
World Meteorological Organization Standard Thickness References
Egg Code 6 is First Year Ice (>30 cm)
Egg Code 7 is Thin First Year Ice (30 - 70 cm)
Egg Code 1-Dot is Medium First Year Ice (70-120cm)
Egg Code 4-Dot is Thick First Year Ice (>120 cm)
U.S. National Ice Center determined that the 2021 Arctic sea ice extent minimum was reached on September 12, 2021.
Iceberg A-78 has calved from the Jelbart Ice Shelf on the Princess Martha Coast of Antarctica, located at 70° 21' South, 3° 58' West, measuring 18 nautical miles on its longest axis and 4 nautical miles on its widest axis.
Antarctic ice shelf has been updated to the 2020 version and is available in GIS shapefile format.
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