Averages and extremes for regional climatic and site-specific meteorology characteristics, such as temperature, precipitation, humidity, freeze-thaw characteristics and historical trends for airflow patterns, pressure systems and frontal movements, shall be described and evaluated to determine potential effects on a potentially suitable site. The potential for severe weather phenomena such as tornadoes and other storm events based on historical data shall be evaluated.
25 Pa. Code § 236.124
This section cited in 25 Pa. Code § 236.101 (relating to scope and applicability); 25 Pa. Code § 236.104 (relating to siting process); 25 Pa. Code § 236.108 (relating to site justification); and 25 Pa. Code § 236.121 (relating to general requirements).