"1" . "1" . "SDN:P07::CFSN0144" . "" . "accepted"@en . . . . . . . "false" . "2006-09-26 18:12:43.0" . . "SDN:P07::CFSN0144" . . "2006-09-26 18:12:43.0" . "SDN:P07::CFSN0144" . "tendency_of_northward_wind"@en . . "'tendency_of_X' means derivative of X with respect to time. 'Northward' indicates a vector component which is positive when directed northward (negative southward). Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)"@en .