35 Ill. Adm. Code 244.104
Determination of Atmospheric Conditions
Section 244
Section 244.104Â
Determination of Atmospheric Conditions
When determining expected
atmospheric conditions, the Agency shall consider all available meteorological
information, including but not limited to official National Weather Service
observations, analyses, forecasts and advisories, as well as meteorological
data and reports from other sources. Atmospheric conditions shall include but
not be limited to stagnation areas, weather fronts, pressure systems,
inversions, precipitation and wind patterns and variations in solar insolation,
temperature and atmospheric stability.