Composite maps from significant tornado events across the southern Appalachian region of surface temperatures, surface relative humidity, 850-hPa temperatures, 850-hPa relative humidity, 1000-hPa specific humidity, and 500-hPa temperatures.
Figure 9. Composite maps from significant tornado events across the southern Appalachian region of (top left) surface temperatures (0C), (top right) surface relative humidity (%), (middle left) 850-hPa temperatures (0C), (middle right) 850-hPa relative humidity (%), (bottom left) 1000-hPa specific humidity (g kg-1), and (bottom right) 500-hPa temperatures (0C).

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