Peace be on you. Some useful articles:
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According the National Oceanic and Atmospheric Administration (NOAA), “the relatively flat land in the Great Plains allows cold dry polar air from Canada to meet warm moist tropical air from the Gulf of Mexico. A large number of tornadoes form when these two air masses meet, along a phenomenon known as a ‘dryline’” (Questions and Answers about Tornadoes: Climatology, NOAA).
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It is too uncertain to make localized predictions. Unfortunately, having to wait until a storm has actually formed leaves often less than thirty minutes to get out a warning.
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Ref:
Search Results why tornado come — GEOL 105 Natural Hazards