Synoptic composites of the extratropical transition lifecycle of North Atlantic TCs as defined within cyclone phase space

Robert E. Hart, Jenni Evans

Research output: Contribution to journalConference article

Abstract

The evolution of 15 extratropically transitioning cyclones in the North Atlantic was studied. The study was carried out through a composite mean of the cyclone phase space (CPS) evolution and composites of the synoptic patterns at various key milestones throughout the extratropical transition (ET) trajectory. Storms are partitioned into post-transition intensifier and weakeners and comparison of their synoptic evolution distinguishes key factors affecting post-transition evolution. It was observed that complex structural differences in the transitioning cyclone (TC) and its environment exist between event where cyclones weaken, remain natural or intensify after transition.

Original languageEnglish (US)
Pages (from-to)2121-2126
Number of pages6
JournalBulletin of the American Meteorological Society
StatePublished - Jun 1 2004
EventCombined Preprints: 84th American Meteorological Society (AMS) Annual Meeting - Seattle, WA., United States
Duration: Jan 11 2004Jan 15 2004

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cyclone
trajectory

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Cite this

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abstract = "The evolution of 15 extratropically transitioning cyclones in the North Atlantic was studied. The study was carried out through a composite mean of the cyclone phase space (CPS) evolution and composites of the synoptic patterns at various key milestones throughout the extratropical transition (ET) trajectory. Storms are partitioned into post-transition intensifier and weakeners and comparison of their synoptic evolution distinguishes key factors affecting post-transition evolution. It was observed that complex structural differences in the transitioning cyclone (TC) and its environment exist between event where cyclones weaken, remain natural or intensify after transition.",
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AB - The evolution of 15 extratropically transitioning cyclones in the North Atlantic was studied. The study was carried out through a composite mean of the cyclone phase space (CPS) evolution and composites of the synoptic patterns at various key milestones throughout the extratropical transition (ET) trajectory. Storms are partitioned into post-transition intensifier and weakeners and comparison of their synoptic evolution distinguishes key factors affecting post-transition evolution. It was observed that complex structural differences in the transitioning cyclone (TC) and its environment exist between event where cyclones weaken, remain natural or intensify after transition.

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