Open Cellular Stratocumulus Events ==================================== :numref:`TableCaseDatesOC` lists case dates for open cell events. .. list-table:: Case dates selected for LASSO-ENA for its open cellular stratocumulus events. :name: TableCaseDatesOC :header-rows: 1 :class: tight-table :widths: 15 20 65 * - Case - Date - Description * - 1 - :ref:`2015-12-07 ` - * Post-frontal open cell cumulus event * Low melting level (1.5 km AGL) with cloud tops extending well above that height * 5-day air mass back-trajectories originating near the northern Hudson Bay * - 2 - :ref:`2016-04-10 ` - * Multi-day stratocumulus event with embedded cells that transitioned to open cells * Moderate northerly winds throughout this event * Complicated 5-day air mass back-trajectory, routed over the upper Atlantic * - 3 - :ref:`2016-04-11 ` - * Multi-day stratocumulus event with embedded cells that transitioned to open cells * Moderate northerly winds throughout this event * Complicated 5-day air mass back-trajectory, routed over the upper Atlantic * - 4 - :ref:`2016-11-21 ` - * Widespread open cell cumulus that followed frontal passage * Light-to-moderate northerly winds throughout this event * 5-day air mass back-trajectories originating near the northern Hudson Bay * - 5 - :ref:`2016-11-28 ` - * Open cell event with a variety of potential cloud warm rain/ice microphysical conditions * Light to moderate northerly winds that increased throughout the day * 5-day air mass back-trajectories originating from the Hudson Bay, Canada * - 6 - :ref:`2017-10-15 ` - * Sporadic, open cellular stratocumulus clouds following tropical storm Ophelia * Moderate northerly winds thoughout the event * 5-day air mass back-trajectories originating from Quebec * - 7 - :ref:`2018-02-15 ` - * Cold air outbreak type open cell cumulus event * An ACE-ENA campaign event with G-1 aircraft operations and open cell intercepts * 5-day air mass back-trajectories originating from the Hudson Bay, Ontario * - 8 - :ref:`2018-02-16 ` - * Cold air outbreak type open cell cumulus event * An ACE-ENA campaign event * 5-day air mass back-trajectories originating from the Hudson Bay, Ontario * - 9 - :ref:`2018-03-09 ` - * Widespread open cell cumulus following a synoptic wave passage * Strong (40+ kt) northwesterly winds recorded throughout much of this event * 5-day air mass back-trajectories originating south of Greenland, north Atlantic * - 10 - :ref:`2018-03-14 ` - * A multi-day post-frontal open cell cumulus event * Light to moderate northwesterly flow * 5-day air mass back-trajectories originating near Greenland * - 11 - :ref:`2018-03-15 ` - * Post-frontal open cell cumulus transitioning to a closed deck * Light to moderate northwesterly flow * 5-day air mass back-trajectories originating near Greenland * - 12 - :ref:`2018-03-31 ` - * Widespread open cell event that followed a frontal passage * Radar-based evidence of intense precipitating cells after midday * 5-day air mass back-trajectories originating nearby, west of the site in the North Atlantic * - 13 - :ref:`2018-04-05 ` - * Cold air outbreak open cell event * Copious deeper and precipitating open cells * Strong westerly to northwesterly flow throughout the boundary layer * 5-day air mass back-trajectories originating from the Hudson Bay, Ontario * - 14 - :ref:`2018-04-18 ` - * Multi-day open cell cumulus event with large spacing between cells * Westerly flows throughout both event days * 5-day air mass back-trajectories that originated from northern Canada, Greenland * - 15 - :ref:`2018-04-19 ` - * Multi-day open cell cumulus event with large spacing between cells * Westerly flows throughout both event days * 5-day air mass back-trajectories that originated from northern Canada, Greenland * - 16 - :ref:`2018-11-20 ` - * Multi-day open cell event with increasing cumulus cloud frequency and intensity * Light northerly winds throughout the event * 5-day air mass back-trajectories originating from Alaska * - 17 - :ref:`2018-11-21 ` - * Multi-day open cell event with increasing cumulus cloud frequency and intensity * Light northerly winds throughout the event * 5-day air mass back-trajectories originating from Alaska * - 18 - :ref:`2019-03-05 ` - * Cold air outbreak cumulus event with deeper precipitating cells near frontal passage * Shallower precipitating cumulus under light northerly flow as the event progresses * 5-day air mass back-trajectories that originated from the US upper east coast * - 19 - :ref:`2020-10-20 ` - * An open-cell cumulus event with a mixture of precipitating clouds and intensities * Strong northerly winds throughout the event * 5-day air mass back-trajectories that originated near Greenland * - 20 - :ref:`2020-12-22 ` - * Widespread open cell cumulus event * Northerly flows throughout the event * 5-day air mass back-trajectories originating from northern Canada, Greenland * - 21 - :ref:`2021-02-03 ` - * Wide, precipitating open cell cumulus with strong northwesterly winds * Observed echo tops several kilometers above the melting level * 5-day air mass back-trajectories that originated over Greenland * - 22 - :ref:`2022-12-02 ` - * Transitional cloud event with precipitating closed and open cell behaviors * Moderate to strong northerly winds throughout the event * 5-day air mass back-trajectories that originated over central Canada * - 23 - :ref:`2022-12-14 ` - * Open cell cumulus that followed frontal passage * Moderate northwesterly winds throughout the event * 5-day air mass back-trajectories that originated from the UK, Norway, Iceland .. toctree:: :maxdepth: 0 :caption: Descriptions for days with Open Cellular Sc LES simulations :hidden: enacase_20151207 enacase_20160410 enacase_20160411 enacase_20161121 enacase_20161128 enacase_20171015 enacase_20180215 enacase_20180216 enacase_20180309 enacase_20180314 enacase_20180315 enacase_20180331 enacase_20180405 enacase_20180418 enacase_20180419 enacase_20181120 enacase_20181121 enacase_20190305 enacase_20201020 enacase_20201222 enacase_20210203 enacase_20221202 enacase_20221214