The physics of increasing heat-trapping gases tells us:
1) We will experience more heat waves and these heat waves will become even hotter
2) Higher latitudes (toward the poles) will warm the most while lower latitudes (tropics) will warm less
3) Interior continental locations will warm more than coastal regions
4) Winters will warm faster than summers
5) Nights will warm faster than days
Recently, NOAA (2011) issued the latest 30 year climate normals for the United States, and as expected, points #2, 3, 4, and 5 are evidenced in the graphics below:
Latest 30 Year US Climate Normals for Max T and Min T
Seasonal Changes in US Normal Temperatures
Most locations have warmed and the greatest increases have occurred in higher latitudes, in interior locations, during winter, and during the overnight hours. Just as greenhouse gas warming should do.
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