12/30/00 0000 UTC Analysis
Upper impulse approaching Pacific Northwest helping to deamplify the
western U.S. upper ridge
Trailing 300 Mb jetstreak tracking through Arkansas and Mississippi
Upper impulse denoted by elongated darkening feature in water vapor
imagery through Arkansas, Mississippi and Alabama
Leading 300 Mb jet streak in western North Carolina associated with
increasing upper divergence, also seen in expanding cloud mass into northeastern
U.S.
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