Lagrangian analysis of ice supersaturated air masses in connection with low level fronts of extratropical cyclones
- Publication type:
- Other
- Metadata:
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- Abstract
- <jats:p>Ice supersaturation is often found in the upper troposphere. The so-called ice supersaturated regions (ISSRs), i.e. air masses in the status of supersaturation with respect to ice, are formation regions of in-situ cirrus clouds. While an ISSR alone has a rather small effect on the radiation budget, this changes significantly when cirrus clouds develop within the ISSR. Hence, the transition from an ISSR to a cirrus cloud has important implications. In order to understand how ISSR and the embedded in-situ cirrus clouds form and develop, the transport pathways of water vapour have to be understood. Therefore, to better understand the life cycle of extratropical ice-supersaturated regions (ISSRs), we utilize backward and forward trajectories initiated within ISSRs and analyze them. Furthermore, we connect these trajectories with information about the location of low-level frontal systems to investigate connections between ISSRs and extratropical cyclones. Particularly interesting is the relative position to the so-called warm conveyor belt (WCB) trajectories. &#160;</jats:p>
- Autoren
- Philipp Reutter
- Stefan Niebler
- Annette Miltenberger
- Peter Spichtinger
- DOI
- 10.5194/egusphere-egu24-9151
- Buchtitel
- Copernicus GmbH
- Datum der Veröffentlichung
- 2024
- Status
- Published
- Herausgeber URL
- http://dx.doi.org/10.5194/egusphere-egu24-9151
- Datum der Datenerfassung
- 2024
- Titel
- Lagrangian analysis of ice supersaturated air masses in connection with low level fronts of extratropical cyclones
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