1.   As the air descends from the mountains, it is heated by compression.

2.   Compression heats the air inside and ignites charred denim in the hollowed-out point.

3.   It will be especially warm over the western Dakotas and Front Range where air flowing from the west of the Rockies is heated by compression.

4.   Meanwhile, a rapid warm-up will commence in the western high Plains as air descending the Rockies into the western Dakotas and western Nebraska is heated by compression.

5.   Some of the warmest air will occur across the Middle Atlantic coastal plain as the air mass is further heated by compression upon descending the Appalachian mountains.

6.   The air was heated by compression at the lower elevations and under sunny skies, it was enough warming for a record!

7.   The eye is, by far, the warmest part of the storm, with rain-free air heated by compression while it gently sinks.

8.   The offshore winds are also heated by compression on descending the nearby mountains.