{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:09:32.385406", "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": "2025-Dec-12_to_2025-Dec-15_277.5_12.5"}, "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": 2025120001798}, "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 12 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 15 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 54301.28837645929}, "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": ["Colombia"]}, "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": 12.5}, "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": 277.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "277.5\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": 282.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-78.0, 13.25], [-77.47, 13.03], [-77.25, 12.5], [-77.47, 11.97], [-78.0, 11.75], [-78.25, 11.85], [-78.32, 11.82], [-78.47, 11.47], [-79.0, 11.25], [-79.53, 11.47], [-79.68, 11.82], [-79.75, 11.85], [-79.82, 11.82], [-79.97, 11.47], [-80.5, 11.25], [-81.03, 11.47], [-81.18, 11.82], [-81.25, 11.85], [-81.5, 11.75], [-81.75, 11.85], [-81.82, 11.82], [-81.97, 11.47], [-82.5, 11.25], [-82.75, 11.35], [-83.0, 11.25], [-83.53, 11.47], [-83.75, 12.0], [-83.53, 12.53], [-83.18, 12.68], [-83.15, 12.75], [-83.25, 13.0], [-83.03, 13.53], [-82.68, 13.68], [-82.53, 14.03], [-82.0, 14.25], [-81.75, 14.15], [-81.5, 14.25], [-80.97, 14.03], [-80.75, 13.5], [-80.85, 13.25], [-80.82, 13.18], [-80.75, 13.15], [-80.5, 13.25], [-80.25, 13.15], [-80.0, 13.25], [-79.75, 13.15], [-79.5, 13.25], [-79.0, 13.04], [-78.5, 13.25], [-78.25, 13.15], [-78.0, 13.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.02999999999997, 13.03], [-78.5, 13.25], [-78.25, 13.15], [-78.0, 13.25], [-77.47000000000003, 13.03], [-77.25, 12.5], [-77.47000000000003, 11.97], [-78.0, 11.75], [-78.25, 11.85], [-78.32, 11.82], [-78.47000000000003, 11.47], [-79.0, 11.25], [-79.52999999999997, 11.47], [-79.75, 12.0], [-79.52999999999997, 12.53], [-79.18, 12.68], [-79.02999999999997, 13.03]]]]}, "2025-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.14999999999998, 12.75], [-83.25, 13.0], [-83.02999999999997, 13.53], [-82.68, 13.68], [-82.52999999999997, 14.03], [-82.0, 14.25], [-81.75, 14.15], [-81.5, 14.25], [-80.97000000000003, 14.03], [-80.75, 13.5], [-80.85000000000002, 13.25], [-80.82, 13.18], [-80.75, 13.15], [-80.5, 13.25], [-80.25, 13.15], [-80.0, 13.25], [-79.75, 13.15], [-79.5, 13.25], [-79.0, 13.04], [-78.5, 13.25], [-78.25, 13.15], [-78.0, 13.25], [-77.47000000000003, 13.03], [-77.25, 12.5], [-77.47000000000003, 11.97], [-78.0, 11.75], [-78.25, 11.85], [-78.32, 11.82], [-78.47000000000003, 11.47], [-79.0, 11.25], [-79.52999999999997, 11.47], [-79.68, 11.82], [-79.75, 11.85], [-79.82, 11.82], [-79.97000000000003, 11.47], [-80.5, 11.25], [-81.02999999999997, 11.47], [-81.18, 11.82], [-81.25, 11.85], [-81.5, 11.75], [-81.75, 11.85], [-81.82, 11.82], [-81.97000000000003, 11.47], [-82.5, 11.25], [-82.75, 11.35], [-83.0, 11.25], [-83.52999999999997, 11.47], [-83.75, 12.0], [-83.52999999999997, 12.53], [-83.18, 12.68], [-83.14999999999998, 12.75]]]]}, "2025-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.14999999999998, 12.75], [-83.25, 13.0], [-83.02999999999997, 13.53], [-82.68, 13.68], [-82.52999999999997, 14.03], [-82.0, 14.25], [-81.75, 14.15], [-81.5, 14.25], [-80.97000000000003, 14.03], [-80.75, 13.5], [-80.85000000000002, 13.25], [-80.82, 13.18], [-80.75, 13.15], [-80.5, 13.25], [-80.25, 13.15], [-80.0, 13.25], [-79.75, 13.15], [-79.5, 13.25], 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[27.728186543782556, 27.709337276882593, 27.546470048692527, 27.30404976738822]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.774573262532556, 27.857177988688193, 27.747858937581384, 27.56454238891604]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8368722019084961, 1.1887220458852805, 1.0497545943836617, 0.900761920575792]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8436814813510978, 1.5145112851459999, 1.4020219166419565, 1.2472067329946412]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4500722353324809, 1.917805049769645, 1.6676139692547025, 1.4122208294569538]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4826807766487093, 2.413891300089023, 2.1824163228838036, 1.885761532075322]}}