Electric vs. Gas Heat. In a shift from the past, it is now less expensive to heat with electricity in Indiana than with natural gas. 1  The cost of gas has risen an average of 8% a year over the last 10 years, a huge increase.2  Gas heating will cost Central Indiana residents more than $1,800 this winter to heat a 1,800 sq. ft. home.lectric vs. Gas Heat. In a shift from the past, it is now less expensive to heat with electricity in Indiana than with natural gas. 1  The cost of gas has risen an average of 8% a year over the last 10 years, a huge increase.
Planetary boundary layer. The planetary boundary layer (PBL) is also known as the atmospheric boundary layer (ABL). It is the lowest part of the atmosphere and its behavior is directly influenced by its contact with the ground. It responds to surface forcings in a timescale of an hour or less.
: a layer of the earth's upper atmosphere that is characterized by high ozone content which blocks most of the sun's ultraviolet radiation from entering the lower atmosphere.