"SDN:P07::CFSN0131" . . . . . . "" . "2006-09-26 18:12:43.0" . "accepted"@en . "false" . . "The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. 'tendency_of_X' means derivative of X with respect to time. A velocity is a vector quantity. 'Upward' indicates a vector component which is positive when directed upward (negative downward). Upward air velocity is the vertical component of the 3D air velocity vector."@en . "2006-09-26 18:12:43.0" . . . "tendency_of_upward_air_velocity_due_to_advection"@en . "SDN:P07::CFSN0131" . "1" . . . "1" . "SDN:P07::CFSN0131" .