12/29/00 1200 UTC Analysis


December 29, 2000 1200 UTC Water Vapor Satellite Imagery
December 29, 2000 1200 UTC Infrared Satellite Imagery
December 29, 2000 1200 UTC 300 Mb
December 29, 2000 1200 UTC 500 Mb
  • Upper low in the upper Mississippi Valley becomes the dominant feature in the eastern half of the U.S.
  • Upper ridge in the western U.S. has progressed east, and an upper impulse is tracking toward the Pacific Northwest U.S.
  • 500 Mb impulse just north of North Dakota, this is the impulse that supports the cyclogenesis off the northeast U.S. roughly 24 hours later
  • 300 Mb jet streak is strengthening in eastern Montana, western South Dakota and western Nebraska
  • Initial 300 Mb wind maximum over Tennessee Valley

  • Back