Flow Interaction with TopographyBoundary Layer Stability
![Sounding for Point Barrow, Alaska 00 UTC 15 Jan 2011](media/graphics/skewt_barrow_00z15jan11_01.jpg)
The winter Arctic boundary layer is characterized by a strong surface-based inversion. This sounding from Barrow, Alaska, is typical in that it shows a strong inversion with light winds at the surface.