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RESEARCH PRODUCT

Identification of Tropical‐Extratropical Interactions and Extreme Precipitation Events in the Middle East Based On Potential Vorticity and Moisture Transport

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The authors wish to thank CRED, ECMWF, NASA, JAXA, and APHRODITE for providing their data sets, which are available under the following links; EM-DAT (http://www.emdat.be/), ERA-Interim (https://www.ecmwf.int/en/research/climate-reanalysis/era-interim), TRMM (https://pmm.nasa.gov/data-access/downloads/trmm), and Aphrodite (http://www.chikyu.ac.jp/precip/english/). We acknowledge the Israeli Atmospheric and Climatic Data Centre (IACDC), supported by the Israeli Ministry of Science, Technology and Space, for providing the Israel Meteorological Service (IMS) daily rainfall records as well as the Ministry of Environment, Water and Agriculture (MEWA) in the Kingdom of Saudi Arabia for providing daily rainfall data. The algorithm is written in the National Center for Atmospheric Research (NCAR) Command Language (NCL) package version 6.3.0, which was also used for the visualization of the data. The algorithm results, as described in section 2.3, are available from the corresponding author upon request. SBF was supported by National Science Foundation grants AGS-1401220 and AGS-1723832. The authors wish to thank Michael Sprenger and Heini Wernli for their helpful suggestions for writing the algorithm for PV intrusions. We greatly appreciate the constructive comments of three anonymous reviewers that helped to improve the quality of the manuscript.