{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:31.504804", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Jan-22_to_2020-Jan-24_282.5_19.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020010000568}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "January 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 123398.95266953102}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Cuba"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Caribbean Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 19.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 282.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "282.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 277.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.03, 18.03], [-82.5, 18.25], [-82.25, 18.15], [-82.0, 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[-79.32, 16.32], [-79.47, 15.97], [-80.0, 15.75], [-80.25, 15.85], [-80.32, 15.82], [-80.47, 15.47], [-81.0, 15.25], [-81.25, 15.35], [-81.5, 15.25], [-82.03, 15.47], [-82.18, 15.82], [-82.25, 15.85], [-82.5, 15.75], [-83.03, 15.97], [-83.25, 16.5], [-83.04, 17.0], [-83.25, 17.5], [-83.03, 18.03]]]]}, "2020-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.03, 18.03], [-82.5, 18.25], [-82.25, 18.15], [-82.0, 18.25], [-81.75, 18.15], [-81.5, 18.25], [-81.25, 18.15], [-81.0, 18.25], [-80.47, 18.03], [-80.32, 17.68], [-80.25, 17.65], [-80.18, 17.68], [-80.03, 18.03], [-79.68, 18.18], [-79.53, 18.53], [-79.18, 18.68], [-79.03, 19.03], [-78.68, 19.18], [-78.53, 19.53], [-78.18, 19.68], [-78.03, 20.03], [-77.68, 20.18], [-77.65, 20.25], [-77.75, 20.5], [-77.53, 21.03], [-77.18, 21.18], [-77.03, 21.53], [-76.5, 21.75], [-76.25, 21.65], [-76.0, 21.75], [-75.47, 21.53], [-75.32, 21.18], [-74.97, 21.03], [-74.75, 20.5], [-74.97, 19.97], [-75.5, 19.75], [-75.75, 19.85], [-76.0, 19.75], [-76.25, 19.85], [-76.32, 19.82], [-76.35, 19.75], [-76.25, 19.5], [-76.35, 19.25], [-76.32, 19.18], [-75.97, 19.03], [-75.75, 18.5], [-75.97, 17.97], [-76.5, 17.75], [-76.75, 17.85], [-77.0, 17.75], [-77.25, 17.85], [-77.5, 17.75], [-77.75, 17.85], [-77.82, 17.82], [-77.85, 17.75], [-77.75, 17.5], [-77.85, 17.25], [-77.75, 17.0], [-77.97, 16.47], [-78.5, 16.25], [-78.75, 16.35], [-79.0, 16.25], [-79.25, 16.35], [-79.32, 16.32], [-79.47, 15.97], [-80.0, 15.75], [-80.25, 15.85], [-80.32, 15.82], [-80.47, 15.47], [-81.0, 15.25], [-81.25, 15.35], [-81.5, 15.25], [-82.03, 15.47], [-82.18, 15.82], [-82.25, 15.85], [-82.5, 15.75], [-83.03, 15.97], [-83.25, 16.5], [-83.04, 17.0], [-83.25, 17.5], [-83.03, 18.03]]]]}, "2020-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.03, 18.03], [-82.5, 18.25], [-82.25, 18.15], [-82.0, 18.25], [-81.75, 18.15], [-81.5, 18.25], [-81.25, 18.15], [-81.0, 18.25], [-80.47, 18.03], [-80.32, 17.68], [-80.25, 17.65], 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15.35], [-81.5, 15.25], [-82.03, 15.47], [-82.18, 15.82], [-82.25, 15.85], [-82.5, 15.75], [-83.03, 15.97], [-83.25, 16.5], [-83.04, 17.0], [-83.25, 17.5], [-83.03, 18.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.708187807742377}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.0031156326352795}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.671294967655967, 22.091473229154417, 23.897992257493115]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.906981962762472, 18.08179794167819, 20.35202645715549]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.5454605974891982, -3.130359455718691, -1.3335268446979487]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.3978267804622533, -5.708187807742377, -2.4551863242047602]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.9383238943013572, -4.152205776384068, -1.8369977699388238]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.623364192668546, -5.278778233347605, -3.091585881343048]}}