{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:21.392882", "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": "2024-Dec-02_to_2024-Dec-07_279.0_22.5"}, "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": 2024120000112}, "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": "December 02 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 07 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 71597.12186883102}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Atlantic Ocean", "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": 22.5}, "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": 279.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "279.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 282.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-82.47, 20.97], [-83.0, 20.75], [-83.53, 20.97], [-83.68, 21.32], [-83.75, 21.35], [-84.0, 21.25], [-84.25, 21.35], [-84.5, 21.25], [-85.03, 21.47], [-85.25, 22.0], [-85.03, 22.53], [-84.68, 22.68], [-84.53, 23.03], [-84.0, 23.25], [-83.75, 23.15], [-83.5, 23.25], [-83.25, 23.15], [-83.0, 23.25], [-82.5, 23.04], [-82.0, 23.25], [-81.75, 23.15], [-81.68, 23.18], [-81.53, 23.53], [-81.0, 23.75], [-80.47, 23.53], [-80.32, 23.18], [-80.25, 23.15], [-80.0, 23.25], [-79.5, 23.04], [-79.0, 23.25], [-78.47, 23.03], [-78.32, 22.68], [-77.97, 22.53], [-77.82, 22.18], [-77.75, 22.15], [-77.5, 22.25], [-76.97, 22.03], [-76.75, 21.5], [-76.97, 20.97], [-77.32, 20.82], [-77.47, 20.47], [-78.0, 20.25], [-78.53, 20.47], [-78.68, 20.82], [-79.03, 20.97], [-79.2, 21.38], [-79.5, 21.25], [-79.75, 21.35], [-80.0, 21.25], [-80.5, 21.46], [-81.0, 21.25], [-81.5, 21.46], [-82.0, 21.25], [-82.25, 21.35], [-82.32, 21.32], [-82.47, 20.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.52263140729076}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.5027500102282865}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.767320251464866, 22.766475931803427, 21.257518768310604, 20.945343577067092, 21.200217333026956, 21.76540654500326]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.767320251464866, 22.026465352376306, 18.424006398518884, 17.949725087483728, 19.045800781250023, 20.89431279500326]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.9331820218438338, -1.6893240201004787, -2.5531853826212885, -2.878700890864918, -2.3314299924290265, -2.167629953355032]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.9331820218438338, -2.00695197166516, -3.378615720166522, -4.52263140729076, -3.264659075559109, -2.4714354071211346]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7252183965315098, -1.3181619779969247, -1.7626992296161834, -1.9723890470529009, -1.5253885784516932, -1.2639685971757522]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7252183965315098, -1.634914447071507, -2.073062324297338, -2.6037616949483797, -1.9242787643054708, -1.3346530091841946]}}