{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:07.551496", "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-Mar-15_to_2025-Mar-18_298.5_-9.0"}, "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": 2025030001800}, "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": "March 15 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 18 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": 112762.59352807717}, "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"]}, "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": []}, "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": -9.0}, "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": 298.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -10.25], [-64.25, -10.0], [-64.03, -9.47], [-63.68, -9.32], [-63.65, -9.25], [-63.68, -9.18], [-64.03, -9.03], [-64.25, -8.5], [-64.15, -8.25], [-64.25, -8.0], [-64.03, -7.47], [-63.5, -7.25], [-63.25, -7.35], [-63.0, -7.25], [-62.75, -7.35], [-62.68, -7.32], [-62.53, -6.97], [-62.0, -6.75], [-61.75, -6.85], [-61.5, -6.75], [-60.97, -6.97], [-60.75, -7.5], [-60.85, -7.75], [-60.75, -8.0], [-60.85, -8.25], [-60.82, -8.32], [-60.47, -8.47], [-60.25, -9.0], [-60.47, -9.53], [-61.0, -9.75], [-61.25, -9.65], [-61.32, -9.68], [-61.35, -9.75], [-61.32, -9.82], [-60.97, -9.97], [-60.75, -10.5], [-60.85, -10.75], [-60.75, -11.0], [-60.97, -11.53], [-61.5, -11.75], [-61.75, -11.65], [-61.82, -11.68], [-61.97, -12.03], [-62.5, -12.25], [-62.75, -12.15], [-63.0, -12.25], [-63.25, -12.15], [-63.5, -12.25], [-64.03, -12.03], [-64.25, -11.5], [-64.15, -11.25], [-64.25, -11.0], [-64.15, -10.75], [-64.25, -10.5], [-64.15, -10.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -11.0], [-64.14999999999998, -10.75], [-64.25, -10.5], [-64.14999999999998, -10.25], [-64.25, -10.0], [-64.02999999999997, -9.47], [-63.68000000000001, -9.32], [-63.64999999999998, -9.25], [-63.75, -9.0], [-63.52999999999997, -8.47], [-63.18000000000001, -8.32], [-63.14999999999998, -8.25], [-63.25, -8.0], [-63.02999999999997, -7.47], [-62.5, -7.25], [-62.25, -7.35], [-62.18000000000001, -7.32], [-62.02999999999997, -6.97], [-61.5, -6.75], [-60.97000000000003, -6.97], [-60.75, -7.5], [-60.85000000000002, -7.75], [-60.75, -8.0], [-60.85000000000002, -8.25], [-60.81999999999999, -8.32], [-60.47000000000003, -8.47], [-60.25, -9.0], [-60.47000000000003, -9.53], [-61.0, -9.75], [-61.25, -9.65], [-61.31999999999999, -9.68], [-61.47000000000003, -10.03], [-62.0, -10.25], [-62.25, -10.15], [-62.31999999999999, -10.18], [-62.35000000000002, -10.25], [-62.31999999999999, -10.32], [-61.97000000000003, -10.47], [-61.75, -11.0], [-61.85000000000002, -11.25], [-61.75, -11.5], [-61.97000000000003, -12.03], [-62.5, -12.25], [-62.75, -12.15], [-63.0, -12.25], [-63.25, -12.15], [-63.5, -12.25], [-64.02999999999997, -12.03], [-64.25, -11.5], [-64.14999999999998, -11.25], [-64.25, -11.0]]]]}, "2025-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -11.0], [-64.14999999999998, -10.75], [-64.25, -10.5], [-64.14999999999998, -10.25], [-64.25, -10.0], [-64.02999999999997, -9.47], [-63.68000000000001, -9.32], [-63.64999999999998, -9.25], [-63.68000000000001, -9.18], [-64.02999999999997, -9.03], [-64.25, -8.5], [-64.14999999999998, -8.25], [-64.25, -8.0], [-64.02999999999997, -7.47], [-63.5, -7.25], [-63.25, -7.35], [-63.0, -7.25], [-62.75, -7.35], [-62.68000000000001, -7.32], [-62.52999999999997, -6.97], [-62.0, -6.75], [-61.75, -6.85], [-61.5, -6.75], 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t2m.", "value": [27.31102015177413, 27.56392313639327, 27.65937957763674, 27.552527364095056]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.274199631985789, 1.552268704134922, 1.3769449638936313, 1.4603181607685343]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6981803870743306, 2.3765503879287166, 1.9101115533317738, 2.1351230110146275]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6223246389022636, 1.9679294427561582, 1.7607293799426995, 1.8935361621086393]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1884592051013705, 3.122972841957513, 2.4687851977225175, 2.701591313672089]}}