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Impacts of Typhoon Track and Island Topography on the Heavy Rainfalls in Taiwan Associated with Morakot (2009)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Xie, Baoguo Zhang, Fuqing |
| Copyright Year | 2012 |
| Abstract | AbstractCloud-resolving ensemble simulations and sensitivity experiments utilizing the Weather Research and Forecasting model (WRF) are performed to investigate the dynamics and predictability of the record-breaking rainfall and flooding event in Taiwan induced by Typhoon Morakot (2009). It is found that a good rainfall forecast foremost requires a good track forecast during Morakot’s landfall. Given a good track forecast, interaction of the typhoon circulation with complex topography in southern Taiwan plays a dominant role in producing the observed heavy rainfalls. The terrain slope, strength of the horizontal winds, and mid–lower-tropospheric moisture content in the southwesterly upslope flow are the primary factors that determine the rainfall location and intensity, as elucidated by the idealized one-dimensional precipitation-rate forecast model. The typhoon circulation and the southwesterly monsoon flow transport abundant moisture into southern Taiwan, which produces the heavy rainfall through intera... |
| Starting Page | 3379 |
| Ending Page | 3394 |
| Page Count | 16 |
| File Format | PDF HTM / HTML |
| DOI | 10.1175/MWR-D-11-00240.1 |
| Volume Number | 140 |
| Alternate Webpage(s) | http://adapt.psu.edu/ZHANG/papers/XieZhang2012MWR.pdf |
| Alternate Webpage(s) | https://doi.org/10.1175/MWR-D-11-00240.1 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
