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1999 | 16-24 March | Tropical Cyclone Vance | South Indian | Record-intense TC (strongest recorded Australian TC wind of 144kt) that makes landfall over Australia and undergoes extratropical transition. Only 1200UTC analyses available. | NOGAPS: Image Anim | NOGAPS: Image Anim |
1999 | 3-8 April | Tropical Cyclone Gwenda | South Indian | TC that makes landfall over Australia and dissipates. | NOGAPS: Image Anim | NOGAPS: Image Anim |
1999 | 18-24 August | Hurricane Bret | North Atlantic | Poorly resolved intense hurricane that makes landfall in remote TX and dissipates. |
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1999 | 18-31 August | Hurricane Cindy | North Atlantic | Intense hurricane that begins extratropical transition over the north Atlantic but is absorbed by a preexisting midlatitude cyclone before it can complete transition. |
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1999 | 24 August- 6 September |
Hurricane Dennis | North Atlantic | . |
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1999 | 9-19 September | Hurricane Floyd | North Atlantic | Classic case of extratropical transition of a tropical cyclone (very well-resolved). |
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EC OPER: Image Anim JRA:          Image Anim MERRA:    Image Anim NOGAPS: Image Anim UKMET:    Image Anim |
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1999 | 10-24 September | Hurricane Gert | North Atlantic | Classic warm-core development into a category 4 hurricane that weakens to a category 1 hurricane, undergoes extratropical transition, before finally being absorbed by a larger extratropical cyclone. |
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1999 | 18-22 September | Tropical Storm Harvey | North Atlantic | . |
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1999 | 12-22 October | Hurricane Irene | North Atlantic | Rapid intensification of a TC just prior to extratropoical transition, ultimately becoming a major warm seclusion. Truncated AVN lifecycle from lack of data. |
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1999 | 27 October- 1 November |
Tropical Storm Katrina | North Atlantic | . |
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1999 | 7 - 21 November | Hurricane Lenny | North Atlantic | . |
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