Originally Posted by PineForestCamper
Grand Forks vs Minneapolis
Size doesnt dictate or affect temperature but it does illustrate the potential of most of us moving there and settling down.
Actually, size does affect temperature. The removal of trees, paving and development of large urban areas causes the area to absorb heat during the day and release it during the night, making days a little warmer and nights significantly warmer. This even has some effect on thunderstorms due to the increased updrafts, especially during the day. A few years ago NOAA began to consider the effect Atlanta has on its own weather. Just as large lakes or nearby mountains have an effect on local weather, so do large metropolitan areas.
This is one point of argument about global warming. The number of rural weather reporting station was drastically reduced in the 1970's and the areas around urban stations have been developed since the stations were established, mostly over a hundred years ago,. Guess what has happened to the average temperatures in large urban areas compared to rural areas in the same region?
That said, when you are walking in downtown Minneapolis, it's 20 below, and the wind between the buildings is 40 mph, you probably can't feel how much that urban heat sink is helping you!