{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:18.570414", "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-Jul-10_to_2025-Jul-14_290.0_-4.5"}, "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": 2025070001839}, "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": "July 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 14 2025"}, "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": 58563.31327747065}, "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", "Colombia", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": []}, "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": -4.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.65, -3.75], [-71.75, -3.5], [-71.53, -2.97], [-71.0, 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-5.75], [-72.03, -5.53], [-72.25, -5.0], [-72.15, -4.75], [-72.25, -4.5], [-72.03, -3.97]]]]}, "2025-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.15, -4.25], [-72.25, -4.0], [-72.03, -3.47], [-71.68, -3.32], [-71.53, -2.97], [-71.0, -2.75], [-70.75, -2.85], [-70.5, -2.75], [-70.25, -2.85], [-70.0, -2.75], [-69.5, -2.96], [-69.0, -2.75], [-68.47, -2.97], [-68.25, -3.5], [-68.47, -4.03], [-68.82, -4.18], [-68.85, -4.25], [-68.75, -4.5], [-68.85, -4.75], [-68.75, -5.0], [-68.97, -5.53], [-69.5, -5.75], [-69.75, -5.65], [-70.0, -5.75], [-70.25, -5.65], [-70.5, -5.75], [-70.75, -5.65], [-71.0, -5.75], [-71.25, -5.65], [-71.5, -5.75], [-72.03, -5.53], [-72.25, -5.0], [-72.15, -4.75], [-72.25, -4.5], [-72.15, -4.25]]]]}, "2025-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.15, -4.25], [-72.25, -4.0], [-72.03, -3.47], [-71.5, -3.25], [-71.25, -3.35], [-71.18, -3.32], [-71.03, -2.97], [-70.5, -2.75], [-70.25, -2.85], [-70.0, -2.75], 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"Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0599430264924194}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.443048148130662}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.1097185770671, 26.264579428878505, 26.255152304130718, 25.982215088489, 26.085294886997815]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.5658953348796, 27.05656204223635, 27.015479024251306, 26.592427825927757, 26.608900960286462]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2191489999103027, 1.5295779714037128, 1.5823721582725356, 1.3399096446816776, 1.4020756164205304]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": 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