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Gulf of Mexico Loop Current Eddies

Eddy Name Size Year Comments
Olympus Huge 06/15 – present

Reconnected to LC in early July 2015. As a part of the main Loop Current flow, the feature migrated far north into Mississippi Canyon before separating again in August 2015. Another reconnection was observed in end of September 2015. Olympus separated for the final time from the Loop in October 2015. Brief interaction of the eddy with Eddy Poseidon was observed in November 2015. Today, the feature remains over the central Gulf with a significantly weakened circulation.

Nautilus II Large 05/15 – 12/15

Formed from an extension to Eddy Nautilus’ circulation and split off toward end of May 2015. Dissipated into a west-northwestward flow. Reconnected with Nautilus in mid June 2015 and regained its strength and closed circulation. Split again from Nautilus in late June 2015. Dissipated in the western Gulf through end of December 2015 into early January 2016.

Nautilus Huge 05/15 – present

Briefly reattached to LC in May 2015. Formed into an elongated feature with two distinct closed circulations. Split off Eddy Nautilus II toward end of May 2015. Reconnected with Nautilus II in mid June 2015 and split again in late June 2015. Maintains a weak circulation in the western Gulf.

Michael Large 01/15 – 07/15

Reattached to LC in February 2015 and separated again in March 2015. Gradually migrated westward across the lease areas. Dissipated in the northwestern Gulf in July 2015.

Lazarus
Small 07/14-05/15

Reattached to LC in August and separated again in November. Gradually migrated to the west-southwest, moving south of the western lease areas by March 2015. Dissipated in the southwestern Gulf in May 2015.

Kraken Medium 04/13-10/14

Steadily migrated southwestward and slowly dissipated in the southwestern Gulf.

Jumbo Huge 06/12-02/13 Temporarily split into two separate eddies before re-joining. Became part of a large anticyclonic circulation in southwestern Gulf toward the end of its lifetime.
Icarus Large 11/11-02/13 Reconnected to the Loop Current several times and, as a result, had a more southward migration pattern than typically observed. Became part of a large anticyclonic circulation in southwestern Gulf toward the end of its lifetime.
Hadal Huge 08/11-03/12 Split in two, dissipated in the southwestern Gulf
Galileo Small 06/11-01/12 Merged with Hadal in the western Gulf
Franklin Large 05/10-10/11 Dissipated in the southwestern Gulf
Ekman Huge 07/09-03/11 Dissipated in the western Gulf
Darwin Large 12/08-11/09 Dissipated in the southwestern Gulf
Cameron Large 07/08-05/09 Dissipated in the western Gulf
Brazos Large 03/08-09/08 Dissipated in the northwestern Gulf
Albert Large 11/07-05/08 Split in two, northern half dissipated
Zorro Large 04/07-08/07 Reattached 4 times, absorbed by the Loop
Yankee Huge 07/06-01/08 Dissipated in the western Gulf
Xtreme Large 03/06-09/06 Separated 3 weeks after Walker; briefly reattached; dissipated in the western Gulf
Walker Small 09/05-05/06 Second most westerly extension of Loop water; dissipated in the western Gulf
Vortex Huge 02/05-03/06 Separated & reattached 4 times; lingered in central Gulf for 7 months; dissipated in the western Gulf
U2 Small 01/05-09/05 Pinched off ne edge of Eddy Ulysses; later merged again with Ulysses
Ulysses Huge 05/04-09/05 Reattached once; lingered in central Gulf for several months; dissipated in the western Gulf
Titanic Large 10/03-10/04 Remained south of active lease areas; dissipated in the western Gulf
Sargassum Huge 05/03-12/03 Lingered in central Gulf for over 4 months; dissipated in the eastern Sigsbee Deep
Rebel Small 03/02-04/02 Formed in eastern Gulf from LC outflow; dissipated in the eastern Gulf
QE-2 Small 05/02-10/02 Shed from northern front of Quick Eddy; migrated briefly to the east; dissipated in the central Gulf
Quick Huge 03/02-04/03 Separated quickly after Pelagic; shed QE-2; dissipated in the western Gulf
Pelagic Huge 12/01-05/02 Most westerly extension of Loop water; absorbed Nansen & Odessa; dissipated in the western Gulf
Odessa Medium 09/01-12/01 Briefly attached to Nansen; reattached late November; reabsorbed by Pelagic/Loop
Nansen Medium 04/01-12/01 Merged with Odessa late November; reabsorbed by Pelagic/Loop
Millennium Huge 02/01-11/01 Reattached to Loop after 1 week; merged with warm eddy in the western Gulf; dissipated in western Gulf
Lazy Small 07/00-09/00 Weak eddy, dissipated in the north central Gulf
Kinetic Small 06/00-02/01 Dissipated or merged with other old eddies in the western Gulf
Juggernaut Huge 10/99-11/00 Dissipated in the southwestern Gulf
Indigo Small 08/99-12/99 Dissipated in the western Gulf
Haskell Small 07/99-08/99 Reabsorbed by Loop
Gyre Small 05/98-02/99 Dissipated in the western Gulf
Fourchon Large 02/98-08/98 Split; merged with El Dorado
El Dorado Medium 07/97-01/99 Dissipated in the western Gulf
Easy Small 01/97-03/97 Cold Core Eddy; dissipated east of DeSoto Canyon
Deviant Medium 12/96-08/97 Dissipated in the northwestern Gulf?
Creole Medium 08/96-06/97 Disappeared west of the Loop Current
Biloxi Medium 03/96-12/96 Dissipated in the western Gulf
Aggie Medium 09/95-07/96 Dissipated in the western Gulf
Zapp Large 03/95-10/95 Dissipated in the western Gulf
Yucatan Large 09/94-02/95 Merged with Whopper & Xtra in western Gulf
Xtra Medium 09/93-01/94 Merged with Whopper in the western Gulf
Whopper Large 06/93-11/93 Encountered shelf and moved north; merged with Xtra in western Gulf
Vagabond Medium 11/92-03/93 Dissipated or reabsorbed by Loop Current in north central Gulf
Unchained Large 05/92-04/93 Dissipated in the western Gulf
Triton Large 07/91-at least 04/92 Program hiatus 04/92-08/92
Steady Small 11/90-04/91 Reabsorbed by the Loop Current
Rogue Small 08/90-11/90 Spinoff from Quiet Eddy, reabsorbed briefly then dissipated in central Gulf
Quiet Big, 2 knots 07/90-12/90 Dissipated in the central Gulf
Phantom Small 11/89-12/89 Disappeared
Oggie Very small 06/89-07/89 Absorbed by Nelson Eddy
Nelson Strong, huge 02/89-12/90 Dissipated in the western Gulf
Murphy Big at start, small 04/88-04/89 Reappeared in November 1989
Eddy "L" Small 04/88-06/88 Dissipated in northwestern Gulf; reappeared in 10/88-11/88; program ended 11/88-02/89
Kathleen Small 01/88-09/88 Dissipated in western Gulf; Gilbert passed through
Little Jupiter Small 04/87-05/87 Reabsorbed by Loop Current; formed again 07/87; program ended 08/87-04/88
Instant Strong, big 08/86-06/87 Dissipated in northwestern Gulf
Hot Core Big 11/85-? Coalesced with FAST Eddy ; program ended 08/86 until 05/87
Ghostly Medium 08/85-12/85 Dissipated in western Gulf after coalescing with FAST Eddy
Fast Strong, big 04/85-05/86 Merged with Hot Core Eddy
Elusive Small 01/85-04/85 Reattached to Loop Current
Dancing Small LC filament 12/84-2 weeks Reabsorbed by Loop Current
Closet Very small 11/84-12/84 Disappeared
Backward Small 09/84-02/85 Cold Core Eddy; slid under Elusive Eddy
Arnold Small 09/84-12/84 Reabsorbed by Loop Current

Eddy Kraken

Jumbo Eddy

Eddy Hadal

Eddy Ekman

Eddy Darwin

Eddy Zorro

Vortex Eddy

Eddy Ulysses

Eddy Sargassum

Pelagic Eddy

Nelson Eddy