. . "2021-09-20 14:41:46.0" . "false" . "1" . "SDN:P07::XJRFIXKO" . . "1" . . "accepted"@en . . "atmosphere_helicity"@en . "SDN:P07::XJRFIXKO" . "2021-09-20 14:41:46.0" . . "SDN:P07::XJRFIXKO" . "One-half the scalar product of the air velocity and vorticity vectors, where vorticity refers to the standard name atmosphere_upward_absolute_vorticity. Helicity is proportional to the strength of the flow, the amount of vertical wind shear, and the amount of turning in the flow."@en . "" .