The Oklahoma Cold Front of November 10, 1995
Answer to Question 2
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Question 2. Look at the Norman soundings at 6:00 a.m. and 6:00 p.m. What happens at the surface between 6:00 a.m. and 6:00 p.m.?

Answer. Between 6:00 a.m. and 6:00 p.m. the cold front pushes through Norman. The change in wind direction at the surface (from southerly to northerly) along with the drop in air temperature and dew point indicates the passage of the front.

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