價格：免費
檔案大小：48.5 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
The UA Vortex app was developed by the Center for Advanced Public Safety as part of the University of Alabama's ongoing research project titled "Human Behavior Before, During, and After Severe Weather Events: In-Situ Observations in the U.S. Southeast."
