NSA/METTWR/C1 - C1 WIND DIRECTION DATA SUSPECT

The wind direction sensor at the 10m level and 20m level became frozen.  The senor at the 
10m level became frozen on July 25 2001.  The date that the 20m level became frozen is 
unknown but occurred after the 10m level became frozen.  Both sensors froze in such a way 
as to consistently report wind direction values out of the south.

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• Wind Direction out of range error(win_dir_out_of_range_error)
• Wind direction standard deviation(wind_dir_sd)
• Wind direction vector average(wind_dir_vec_avg)
• Maximum Wind Direction(wind_dir_max)
• Minimum Wind Direction(wind_dir_min)
• Wind Speed out of range error(win_spd_out_of_range_error)

• Wind direction vector average(wind_dir_vec_avg)
• Wind Direction out of range error(wind_dir_out_of_range_error)
• Wind direction standard deviation(wind_dir_sd)
• Maximum Wind Direction(wind_dir_max)
• Minimum Wind Direction(wind_dir_min)