300 Mb Analyses



Note the developing upper jet segments and upper divergence through 0000
UTC 12/30
The upper jet streaks coincide with the locations of dakening in water
vapor imagery
Note the strong west to east upper flow
500 Mb Analyses



Note the decrease in 500 Mb heights along the U.S. west coast from 1200
UTC 12/28 through 0000 UTC 12/30
Note the strong west to east upper flow
Note the wind speed maximum over the TN Valley
850 Mb Analyses



Note the development of the 850 Mb impulse over the western Carolinas at
0000 UTC 12/30, seen mainly in the wind and height fields
The 850 Mb flow turns more southwest by 0000 UTC 12/30 over the Carolinas
Note strong background flow and limited moisture from Gulf/Atlantic
Next