{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-28 16:19:54.696411", "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": "2026-May-07_to_2026-May-11_321.5_-13.5"}, "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": 2026050001135}, "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": "May 07 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 11 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 59841.4242692425}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["South Atlantic Ocean"]}, "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": -13.5}, "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": 321.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 321.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 325.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.53, -15.03], [-37.75, -14.5], [-37.53, -13.97], [-37.0, -13.75], [-36.75, -13.85], [-36.68, -13.82], [-36.53, -13.47], [-36.0, -13.25], [-35.47, -13.47], [-35.32, -13.82], [-35.25, -13.85], [-35.0, -13.75], [-34.75, -13.85], [-34.5, -13.75], [-33.97, -13.97], [-33.75, -14.5], [-33.85, -14.75], [-33.75, -15.0], [-33.97, -15.53], [-34.5, -15.75], [-34.75, -15.65], [-35.0, -15.75], [-35.25, -15.65], [-35.5, -15.75], [-35.75, -15.65], [-36.0, -15.75], [-36.53, -15.53], [-36.68, -15.18], [-36.75, -15.15], [-37.0, -15.25], [-37.53, -15.03]]]]}, "2026-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.03, -12.47], [-38.5, -12.25], [-37.97, -12.47], [-37.82, -12.82], [-37.47, -12.97], [-37.25, -13.5], [-37.35, -13.75], [-37.32, -13.82], [-37.25, -13.85], [-37.0, -13.75], [-36.75, -13.85], [-36.68, -13.82], [-36.53, -13.47], [-36.0, -13.25], [-35.47, -13.47], [-35.32, -13.82], [-35.25, -13.85], [-35.0, -13.75], [-34.75, -13.85], [-34.5, -13.75], [-33.97, -13.97], [-33.75, -14.5], [-33.85, -14.75], [-33.75, -15.0], [-33.97, -15.53], [-34.5, -15.75], [-34.75, -15.65], [-35.0, -15.75], [-35.25, -15.65], [-35.5, -15.75], [-35.75, -15.65], [-36.0, -15.75], [-36.53, -15.53], [-36.68, -15.18], [-36.75, -15.15], [-37.0, -15.25], [-37.25, -15.15], [-37.5, -15.25], [-37.75, -15.15], [-38.0, -15.25], [-38.53, -15.03], [-38.75, -14.5], [-38.65, -14.25], [-38.68, -14.18], [-39.03, -14.03], [-39.25, -13.5], [-39.15, -13.25], [-39.25, -13.0], [-39.03, -12.47]]]]}, "2026-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.15, -15.25], [-39.25, -15.0], [-39.03, -14.47], [-38.68, -14.32], [-38.65, -14.25], [-38.68, -14.18], [-39.03, -14.03], [-39.25, -13.5], [-39.15, -13.25], [-39.25, -13.0], [-39.03, -12.47], [-38.5, -12.25], [-37.97, -12.47], [-37.82, -12.82], [-37.47, -12.97], [-37.25, -13.5], [-37.35, -13.75], [-37.32, -13.82], [-37.25, -13.85], [-37.0, -13.75], [-36.75, -13.85], [-36.68, -13.82], [-36.53, -13.47], [-36.0, -13.25], [-35.47, -13.47], [-35.32, -13.82], [-35.25, -13.85], [-35.0, -13.75], [-34.75, -13.85], [-34.5, -13.75], [-33.97, -13.97], [-33.75, -14.5], [-33.85, -14.75], [-33.75, -15.0], [-33.97, -15.53], [-34.5, -15.75], [-34.75, -15.65], [-35.0, -15.75], [-35.25, -15.65], [-35.5, -15.75], [-35.75, -15.65], [-36.0, -15.75], [-36.53, -15.53], [-36.68, -15.18], [-36.75, -15.15], [-37.0, -15.25], [-37.25, -15.15], [-37.5, -15.25], [-37.75, -15.15], [-37.82, -15.18], [-37.85, -15.25], [-37.75, -15.5], [-37.85, -15.75], [-37.75, -16.0], [-37.97, -16.53], [-38.5, -16.75], [-39.03, -16.53], [-39.25, -16.0], [-39.15, -15.75], [-39.25, -15.5], [-39.15, -15.25]]]]}, "2026-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.15, -15.25], [-39.25, -15.0], [-39.03, -14.47], [-38.68, -14.32], [-38.65, -14.25], [-38.68, -14.18], [-39.03, -14.03], [-39.25, -13.5], [-39.15, -13.25], [-39.25, -13.0], [-39.03, -12.47], [-38.5, -12.25], [-37.97, -12.47], [-37.82, -12.82], [-37.47, -12.97], [-37.25, -13.5], [-37.35, -13.75], [-37.32, -13.82], [-36.97, -13.97], [-36.75, -14.5], [-36.97, -15.03], [-37.5, -15.25], [-37.75, -15.15], [-37.82, -15.18], [-37.85, -15.25], [-37.75, -15.5], [-37.85, -15.75], [-37.75, -16.0], [-37.97, -16.53], [-38.5, -16.75], [-39.03, -16.53], [-39.25, -16.0], [-39.15, -15.75], [-39.25, -15.5], [-39.15, -15.25]]]]}, "2026-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.15, -15.25], [-39.25, -15.0], [-39.03, -14.47], [-38.5, -14.25], [-37.97, -14.47], [-37.75, -15.0], [-37.85, -15.25], [-37.75, -15.5], [-37.85, -15.75], [-37.75, -16.0], [-37.97, -16.53], [-38.5, -16.75], [-39.03, -16.53], [-39.25, -16.0], [-39.15, -15.75], [-39.25, -15.5], [-39.15, -15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.587449571394643}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9979683220120014}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.154794195926627, 27.211465902889472, 26.923708597819086, 26.974317875614872, 26.583718024359825]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.24141972859701, 27.673265075683616, 27.141099548339866, 27.15412292480471, 26.61957956949874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9583336147536194, 1.095722466997783, 0.8933524980193539, 1.1174786695058414, 0.9282632111761018]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0891781632751076, 1.587449571394643, 1.2694914981480565, 1.3982628511818689, 0.9732555842731472]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.665393712547595, 1.787381560661549, 1.414783980142598, 1.6359372298317227, 1.358895505889673]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8870442149198914, 2.416666071087666, 1.8295444083412855, 2.0675303464430335, 1.4193417217741389]}}