Fig 6.  Buffalo, NY VAD wind profile (VWP) products for November 9, 1996 for the time periods
A). 2043-2142 UTC,  B). 2147-2246 UTC and C). 2252-2350 UTC.  Notice the change in wind direction  in the lowest 8,000ft of the atmosphere as time progressed.
 
A.

B.

C.