C:\Documents and Settings\Bob\Desktop\Work\Book-Edition 3\E3 Chapter 13 Lake Effect Storms\Chapter 13 Final Figures\CH13 Gifs with copyright\Fig.13.13.jpg
How to Produce Shore-Parallel Bands
qWhen winds are weak, the heat of the lake will force air over the lake to rise, drawing air in from both shores toward the center of the lake.
qA snow band develops where these airflows meet.
qShore-parallel bands are typically deeper than wind-parallel rolls, often extending to a depth of 3km.
qShore-parallel bands are common over Lakes Erie and Ontario, where the lake axis is west-east.