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    Giant iceberg as seen from weather satellite

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    • Gkikas LGPZ
      Gkikas LGPZ Moderator last edited by

      Giant iceberg on course to collide with south Atlantic penguin colony island
      https://www.reuters.com/article/climate-change-iceberg/giant-iceberg-on-course-to-collide-with-south-atlantic-penguin-colony-island-idUSKBN28J1UE

      0dfdf917-7d67-46d0-bb65-bfa9e9ebeb08-εικόνα.png

      Gkikas LGPZ 1 Reply Last reply Reply Quote 6
      • Gkikas LGPZ
        Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

        140 km long !!!
        44a526e8-750b-4f51-b58b-e06ad5c62689-εικόνα.png

        Gkikas LGPZ 1 Reply Last reply Reply Quote 0
        • Gkikas LGPZ
          Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

          Sea currents in the area
          aeb5bbed-7c28-45c7-ad3a-8db645641eb3-εικόνα.png

          Gkikas LGPZ 1 Reply Last reply Reply Quote 0
          • Gkikas LGPZ
            Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

            historic track
            cf5a6a86-e0e4-4e94-9b24-e61f47c1d710-εικόνα.png

            and relative size

            247ce913-8d16-4b30-9333-f0133de88cb4-εικόνα.png

            idefix37 1 Reply Last reply Reply Quote 1
            • idefix37
              idefix37 Sailor Moderator @Gkikas LGPZ last edited by

              @gkikas-lgpz
              The iceberg should not crash on South Georgia Island, but probably will turn to the right following the current. It will be possible to verify it on Windy by spotting 2 favorites at each end of the iceberg when it is visible to see the position changes.

              Gkikas LGPZ 1 Reply Last reply Reply Quote 1
              • Gkikas LGPZ
                Gkikas LGPZ Moderator @idefix37 last edited by

                @idefix37
                To track it we need multi days imagery
                and Windy provides only for the last 12 hrs.

                idefix37 1 Reply Last reply Reply Quote 0
                • idefix37
                  idefix37 Sailor Moderator @Gkikas LGPZ last edited by

                  @gkikas-lgpz
                  Sure but if you place a new favorite on the iceberg each couple of weeks, you’ll get its track...

                  Gkikas LGPZ 1 Reply Last reply Reply Quote 2
                  • Gkikas LGPZ
                    Gkikas LGPZ Moderator @idefix37 last edited by

                    @idefix37
                    Good idea! Thanks!

                    Gkikas LGPZ 1 Reply Last reply Reply Quote 0
                    • Gkikas LGPZ
                      Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

                      @idefix37
                      I followed your tip!
                      During the last 3 days, iceberg traveled 20 NM south (following the currents).
                      20 NM/3 days = aprox. 0,3 kts.
                      4c9e07e2-4143-4ec0-9662-0878a56d4487-εικόνα.png

                      Gkikas LGPZ 1 Reply Last reply Reply Quote 2
                      • Gkikas LGPZ
                        Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

                        ... and the current speed in the area is ...
                        5e56bc6d-e4be-4637-b67a-a911d2783f94-εικόνα.png

                        idefix37 2 Replies Last reply Reply Quote 0
                        • idefix37
                          idefix37 Sailor Moderator @Gkikas LGPZ last edited by idefix37

                          @gkikas-lgpz
                          Excellent !
                          I’ve tried too, but the iceberg was hidden by clouds.
                          But right now it is perfectly visible. So I’ve put 2 favorites at both end of the iceberg as landmarks.

                          CDAD43C6-7B57-4E41-8E62-21F44E46B92E.jpeg

                          Yves70 1 Reply Last reply Reply Quote 3
                          • Yves70
                            Yves70 Meteorologist @idefix37 | Premium last edited by

                            @idefix37
                            @Gkikas-LGPZ
                            I tried as well but indeed it was hidden by the clouds

                            1 Reply Last reply Reply Quote 0
                            • idefix37
                              idefix37 Sailor Moderator @Gkikas LGPZ last edited by idefix37

                              @gkikas-lgpz
                              Now the question is to know if the iceberg which is said to be 200m deep, could be blocked by rocky shoals between South Georgia and Sandwich islands or trapped by these scattered islands. The current seems to push it to the east, but waters are not free on this side.

                              636CA026-01A2-4911-AAB2-1EDB08419A6D.jpeg

                              Gkikas LGPZ 1 Reply Last reply Reply Quote 2
                              • Gkikas LGPZ
                                Gkikas LGPZ Moderator @idefix37 last edited by

                                @idefix37
                                @Yves70
                                I found this site (U.S. National Ice Center)
                                https://usicecenter.gov/Products/AntarcIcebergs
                                but i don't see "operational" data.

                                idefix37 1 Reply Last reply Reply Quote 1
                                • idefix37
                                  idefix37 Sailor Moderator @Gkikas LGPZ last edited by idefix37

                                  @gkikas-lgpz
                                  A68a iceberg has started pivoting and heading now SE. As said above, the eastern route is not free of obstacles like Sandwich Islands and rocky shoals.

                                  250ECF7A-B74A-4CA1-93DA-A843CCA04770.jpeg

                                  Gkikas LGPZ 1 Reply Last reply Reply Quote 3
                                  • Gkikas LGPZ
                                    Gkikas LGPZ Moderator @idefix37 last edited by Gkikas LGPZ

                                    @idefix37
                                    ... today, I see, the mother berg doubled
                                    birthing a large child berg (aprox. 20 km long)
                                    a0de3498-d999-4a0d-82c6-2ad396dbf9b3-εικόνα.png

                                    idefix37 2 Replies Last reply Reply Quote 2
                                    • idefix37
                                      idefix37 Sailor Moderator @Gkikas LGPZ last edited by idefix37

                                      @gkikas-lgpz
                                      Yes, this morning it was not so clear due to cloud, but right now it is obvious that a small part (however 20km long) has been separated from A68a.

                                      1 Reply Last reply Reply Quote 3
                                      • idefix37
                                        idefix37 Sailor Moderator @Gkikas LGPZ last edited by

                                        @gkikas-lgpz
                                        Now it seems cracking in 2 big pieces

                                        Capture d’écran 2020-12-23 à 14.10.27.png

                                        Gkikas LGPZ 1 Reply Last reply Reply Quote 2
                                        • Gkikas LGPZ
                                          Gkikas LGPZ Moderator @idefix37 last edited by Gkikas LGPZ

                                          @idefix37
                                          https://usicecenter.gov/PressRelease/IcebergA68E_F
                                          and
                                          https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2020-12-23
                                          Looks like a giant crack.
                                          During these breakup events a lot of energy released.
                                          The noises as the iceberg broke apart,
                                          called "icequakes" (or cryoseisms).

                                          3e837487-f95b-4da1-acbb-c3253f8645e1-εικόνα.png
                                          I want to mention, also, that the "main" iceberg travells faster
                                          than the small fragment (35 nm north)

                                          Gkikas LGPZ 1 Reply Last reply Reply Quote 3
                                          • Gkikas LGPZ
                                            Gkikas LGPZ Moderator @Gkikas LGPZ last edited by

                                            24 Dec 2020

                                            b69bda31-2458-4190-91d5-e05c1305872d-εικόνα.png

                                            idefix37 1 Reply Last reply Reply Quote 1
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