{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:53:35.743466", "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-24_to_2026-May-28_313.0_-21.5"}, "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": 2026050002407}, "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 24 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 28 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": 75689.14704494935}, "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", "S.E.South-America", "South-American-Monsoon"]}, "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": []}, "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": -21.5}, "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": 313.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "313.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 309.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 313.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.0, -20.75], [-46.47, -20.97], [-46.25, -21.5], [-46.47, -22.03], [-47.0, -22.25], [-47.53, -22.03], [-47.75, -21.5], [-47.53, -20.97], [-47.0, -20.75]]]]}, "2026-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.5, -19.75], [-47.25, -19.85], [-47.0, -19.75], [-46.47, -19.97], [-46.32, -20.32], [-45.97, -20.47], [-45.75, -21.0], [-45.85, -21.25], [-45.75, -21.5], [-45.97, -22.03], [-46.5, -22.25], [-46.75, -22.15], [-47.0, -22.25], [-47.25, -22.15], [-47.5, -22.25], [-47.75, -22.15], [-48.0, -22.25], [-48.53, -22.03], [-48.75, -21.5], [-48.53, -20.97], [-48.12, -20.8], [-48.25, -20.5], [-48.03, -19.97], [-47.5, -19.75]]], [[[-49.75, -18.0], [-49.53, -17.47], [-49.0, -17.25], [-48.47, -17.47], [-48.25, -18.0], [-48.43, -18.43], [-48.0, -18.25], [-47.47, -18.47], [-47.25, -19.0], [-47.47, -19.53], [-48.0, -19.75], [-48.53, -19.53], [-48.75, -19.0], [-48.57, -18.57], [-49.0, -18.75], [-49.53, -18.53], [-49.75, -18.0]]]]}, "2026-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -18.0], [-51.03, -17.47], [-50.5, -17.25], [-49.97, -17.47], [-49.82, -17.82], [-49.75, -17.85], [-49.68, -17.82], [-49.53, -17.47], [-49.0, -17.25], [-48.47, -17.47], [-48.32, -17.82], [-48.25, -17.85], [-48.0, -17.75], [-47.47, -17.97], [-47.32, -18.32], [-47.0, -18.46], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.32, -20.18], [-46.35, -20.25], [-46.32, -20.32], [-45.97, -20.47], [-45.75, -21.0], [-45.85, -21.25], [-45.75, -21.5], [-45.97, -22.03], [-46.5, -22.25], [-46.75, -22.15], [-47.0, -22.25], [-47.25, -22.15], [-47.5, -22.25], [-47.75, -22.15], [-48.0, -22.25], [-48.53, -22.03], [-48.75, -21.5], [-48.53, -20.97], [-48.12, -20.8], [-48.25, -20.5], [-48.15, -20.25], [-48.18, -20.18], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.5, -19.75], [-50.03, -19.53], [-50.18, -19.18], [-50.53, -19.03], [-50.68, -18.68], [-51.03, -18.53], [-51.25, -18.0]]]]}, "2026-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -18.0], [-51.03, -17.47], [-50.5, -17.25], [-49.97, -17.47], [-49.82, -17.82], [-49.75, -17.85], [-49.68, -17.82], [-49.53, -17.47], [-49.0, -17.25], [-48.47, -17.47], [-48.32, -17.82], [-48.25, -17.85], [-48.0, -17.75], [-47.47, -17.97], [-47.32, -18.32], [-47.0, -18.46], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.32, -20.18], [-46.35, -20.25], [-46.32, -20.32], [-45.97, -20.47], [-45.75, -21.0], [-45.85, -21.25], [-45.75, -21.5], [-45.97, -22.03], [-46.5, -22.25], [-46.75, -22.15], [-47.0, -22.25], [-47.25, -22.15], [-47.5, -22.25], [-47.75, -22.15], [-48.0, -22.25], [-48.53, -22.03], [-48.75, -21.5], [-48.53, -20.97], [-48.12, -20.8], [-48.25, -20.5], [-48.15, -20.25], [-48.18, -20.18], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.5, -19.75], [-50.03, -19.53], [-50.18, -19.18], [-50.53, -19.03], [-50.68, -18.68], [-51.03, -18.53], [-51.25, -18.0]]]]}, "2026-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.25, -18.0], [-51.03, -17.47], [-50.5, -17.25], [-49.97, -17.47], [-49.82, -17.82], [-49.75, -17.85], [-49.68, -17.82], [-49.53, -17.47], [-49.0, -17.25], [-48.47, -17.47], [-48.32, -17.82], [-48.25, -17.85], [-48.0, -17.75], [-47.47, -17.97], [-47.32, -18.32], [-47.0, -18.46], [-46.5, -18.25], [-45.97, -18.47], [-45.75, -19.0], [-45.85, -19.25], [-45.75, -19.5], [-45.97, -20.03], [-46.32, -20.18], [-46.47, -20.53], [-47.0, -20.75], [-47.25, -20.65], [-47.5, -20.75], [-48.03, -20.53], [-48.18, -20.18], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.5, -19.75], [-50.03, -19.53], [-50.18, -19.18], [-50.53, -19.03], [-50.68, -18.68], [-51.03, -18.53], [-51.25, -18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3305841011259076}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5290802980437816}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.788701629638695, 21.79009246826172, 22.54797193087063, 22.635552489451868, 22.853805372450097]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.788701629638695, 23.826086934407556, 25.71988449096682, 25.6238838195801, 25.33369089762374]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6223392242877708, 2.5626476531601954, 2.50962850280123, 2.6521054476044936, 2.355644759728209]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6223392242877708, 2.983491396706029, 2.941744859273115, 3.3305841011259076, 2.8953001286191693]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3312583572385832, 1.3946052928271242, 1.3761822196297397, 1.443973835575129, 1.288948335887608]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3312583572385832, 1.6691285162610952, 1.6143484025264956, 1.8289717626163957, 1.454797012990905]}}