Final answer:
Extreme weather conditions necessitate a proactive response from an ISO to maintain power system stability and prepare for potential impacts on energy infrastructure.
Step-by-step explanation:
Weather conditions that are considered extreme in a given jurisdiction should trigger a proactive ISO response. These extreme conditions can include significant increases in global average air and ocean temperatures, as well as the intensity of precipitation events, which is likely to increase on average. Proactive responses by an Independent System Operator (ISO) are crucial to ensure the stability of power systems and to prepare for the potential impacts of extreme weather on energy production and distribution.