The Winter Weather Events
of January 3-5, 2005

Exercise Question 12
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12. Examine a movie from 6:00 pm Tuesday through 2:00 am Wednesday, with BREF1 from Vance AFB (KVNX) and BREF1 from Norman (KTLX) (hint: toggle the radars in the legend to see individual features). Mesonet air temperatures and Mesonet wind observations are included.

  • What precip type is suggested by the radar echoes?
  • Where is the freezing line, in relation to the precip observed by the each radar?
  • Does the freezing line begin to move during this 8-hour movie?
  • What do you notice about the placement and motion of the heaviest precipitation elements? What threats do you think are present in northwest and west-central Oklahoma? What about on the warm side (south and east) of the freezing line?


Answer


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