[Tоrnаdоes, Thunderstоrms & Hurricаnes] Lifting аir alone will not create a thunderstorm. Storm formation also requires atmospheric instability. Select the set of conditions under which the atmosphere will be unstable and suitable for thunderstorm development.
[Tоrnаdоes, Thunderstоrms & Hurricаnes] You аre going to take on the role of a storm chaser. Your goal is to document as many tornadoes as possible and to determine the threats to surrounding communities from supercell storms. Because your storm-chasing budget is limited, you can only chase storms for three months. The graph below shows the running annual trend of tornadoes in the United States. During which three-month window would you have the best chance at seeing multiple tornadoes?