1 |
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
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2 |
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
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3 |
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
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4 |
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
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5 |
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
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6 |
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
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7 |
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
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8 |
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
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9 |
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
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10 |
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
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11 |
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
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12 |
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
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13 |
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
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14 |
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
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15 |
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
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16 |
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
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17 |
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
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18 |
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
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19 |
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
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20 |
2020-12-22 |
Widespread open cell cumulus event Northerly flows throughout the event 5-day air mass back-trajectories originating from northern Canada, Greenland
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21 |
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
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22 |
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
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23 |
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
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