Ensemblebased Analysis of the Tibetan Plateau Vortex and
Ensemble-based Analysis of the Tibetan Plateau Vortex and its Induced Heavy Rain Haiwen Liu 1 and Fuqing Zhang 2 1. College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu, China 2. Department of Meteorology, The Pennsylvania State University, University Park, Pennsylvania
OUTLINE 1. Background 2. Differences in good and poor ensemble members 3. The factors analysis of the formation of the Tibetan Plateau Vortex and its induced heavy rainfall 4. Summary
1. Background Study area S 8848 m
Day selected Time series of daily rainfall Sichuan province area mean on Jul 2013
Synoptic system evolution Deterministic results(ECMWF interim data)
2. Differences in heavy rainfall strength over Sichuan Basin of ensemble members (poor) (good) (differences) Composites
3. Large-scale factors influencing the development of mesoscale vortex in the eastern Tibetan Plateau Good (poor) composite and Its differences
3. Large-scale factors influencing the development of mesoscale vortex in the eastern Tibetan Plateau Good (poor) composite and Its differences (valid 18 Jul 2013)
The correlation between 48 -hr and 18 July area averaged 500 hpa height Scatterplot
The simultaneous correlation between Tibetan Plateau vortex and rainfall over Sichuan Basin in 18 Jul 2013 Scatterplot
Concept model Schematic diagram illustrating the large-scale factors leading to Tibetan Plateau vortex and its associated heavy rainfall in Sichuan Province on 18 Jul 2013
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- Slides: 12