SURFACE WINDS
2017-04-21 14:01:51.0 [sritz] update Definition (The character and amount of atmospheric wind direction change for a three-hour or other specified period ending at the time of observation.);
2017-04-21 11:27:24.0 [tstevens] insert Definition (id: null text: The character and amount of atmospheric wind change for a three-hour or other specified period ending at the time of observation. language code: en);
The character and amount of atmospheric wind direction change for a three-hour or other specified period ending at the time of observation.
WIND DIRECTION TENDENCY