{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:40.417740", "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-17_to_2024-Dec-22_283.5_18.0"}, "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": 2024120001761}, "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 17 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 22 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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 127212.3020710028}, "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": ["Jamaica"]}, "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": ["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": 18.0}, "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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 277.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 283.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-81.5, 14.75], [-81.75, 14.85], [-81.82, 14.82], [-81.97, 14.47], [-82.5, 14.25], [-83.03, 14.47], [-83.18, 14.82], [-83.53, 14.97], [-83.75, 15.5], [-83.65, 15.75], [-83.75, 16.0], [-83.53, 16.53], [-83.0, 16.75], [-82.75, 16.65], [-82.62, 16.7], [-82.75, 17.0], [-82.65, 17.25], [-82.75, 17.5], [-82.65, 17.75], [-82.75, 18.0], [-82.65, 18.25], [-82.75, 18.5], [-82.53, 19.03], [-82.0, 19.25], [-81.47, 19.03], [-81.25, 18.5], [-81.35, 18.25], [-81.32, 18.18], [-80.97, 18.03], [-80.82, 17.68], [-80.75, 17.65], [-80.5, 17.75], [-80.25, 17.65], [-80.0, 17.75], [-79.75, 17.65], [-79.68, 17.68], [-79.53, 18.03], [-79.0, 18.25], [-78.75, 18.15], [-78.5, 18.25], [-78.25, 18.15], [-78.18, 18.18], [-78.15, 18.25], [-78.25, 18.5], [-78.03, 19.03], [-77.5, 19.25], [-76.97, 19.03], [-76.82, 18.68], [-76.75, 18.65], [-76.5, 18.75], [-75.97, 18.53], [-75.75, 18.0], [-75.85, 17.75], [-75.75, 17.5], [-75.97, 16.97], [-76.5, 16.75], [-76.75, 16.85], [-76.82, 16.82], [-76.97, 16.47], [-77.5, 16.25], [-77.75, 16.35], [-77.82, 16.32], [-77.97, 15.97], [-78.5, 15.75], [-78.75, 15.85], [-79.0, 15.75], [-79.25, 15.85], [-79.32, 15.82], [-79.47, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-80.75, 15.35], [-80.82, 15.32], [-80.97, 14.97], [-81.5, 14.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America", "Caribbean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-80.18, 17.18], [-80.02999999999997, 17.53], [-79.5, 17.75], [-78.97000000000003, 17.53], [-78.82, 17.18], [-78.75, 17.15], [-78.5, 17.25], [-77.97000000000003, 17.03], [-77.75, 16.5], [-77.97000000000003, 15.97], [-78.5, 15.75], [-78.75, 15.85], [-79.0, 15.75], [-79.25, 15.85], [-79.32, 15.82], [-79.47000000000003, 15.47], [-80.0, 15.25], [-80.25, 15.35], [-80.5, 15.25], [-81.02999999999997, 15.47], [-81.25, 16.0], [-81.02999999999997, 16.53], [-80.68, 16.68], [-80.52999999999997, 17.03], 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"description": "Mean t2m anomaly over entire duration", "value": 1.1886938111282965}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.759238873106085, 27.45305961402687, 27.393614550334746, 27.303744858030313, 27.022029283311667, 27.107143232557576]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.580712890625023, 27.980308787028036, 27.920799509684286, 27.68033370971682, 27.51947937011721, 27.21215082804366]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0414856123582892, 1.3170595464518857, 1.2635962379167278, 1.1384264539613853, 0.980007482301725, 0.8687879493217755]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.397130487014806, 1.8132686199112413, 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