{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:07.781205", "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": "2024-Mar-23_to_2024-Mar-25_312.5_-7.5"}, "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": 2024030001811}, "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 23 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 25 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 82701.70575503494}, "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": -7.5}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 311.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-49.53, -8.47], [-49.12, -8.3], [-49.25, -8.0], [-49.03, -7.47], [-48.68, -7.32], [-48.53, -6.97], [-48.18, -6.82], [-48.03, -6.47], [-47.68, -6.32], [-47.53, -5.97], [-47.18, -5.82], [-47.03, -5.47], [-46.68, -5.32], [-46.65, -5.25], [-46.75, -5.0], [-46.65, -4.75], [-46.75, -4.5], [-46.53, -3.97], [-46.0, -3.75], [-45.47, -3.97], [-45.25, -4.5], [-45.35, -4.75], [-45.25, -5.0], [-45.35, -5.25], [-45.25, -5.5], [-45.35, -5.75], [-45.25, -6.0], [-45.35, -6.25], [-45.25, -6.5], [-45.47, -7.03], [-45.87, -7.2], [-45.75, -7.5], [-45.97, -8.03], [-46.32, -8.18], [-46.35, -8.25], [-46.25, -8.5], [-46.47, -9.03], [-46.82, -9.18], [-46.85, -9.25], [-46.75, -9.5], [-46.97, -10.03], [-47.32, -10.18], [-47.47, -10.53], [-48.0, -10.75], [-48.53, -10.53], [-48.68, -10.18], [-49.03, -10.03], [-49.18, -9.68], [-49.53, -9.53], [-49.75, -9.0], [-49.53, -8.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.52999999999997, -9.53], [-49.75, -9.0], [-49.52999999999997, -8.47], [-49.120000000000005, -8.3], [-49.25, -8.0], [-49.02999999999997, -7.47], [-48.68000000000001, -7.32], [-48.52999999999997, -6.97], [-48.18000000000001, -6.82], [-48.02999999999997, -6.47], [-47.68000000000001, -6.32], [-47.52999999999997, -5.97], [-47.18000000000001, -5.82], [-47.02999999999997, -5.47], [-46.68000000000001, -5.32], [-46.64999999999998, -5.25], [-46.75, -5.0], [-46.64999999999998, -4.75], [-46.75, -4.5], [-46.52999999999997, -3.97], [-46.0, -3.75], [-45.47000000000003, -3.97], [-45.25, -4.5], [-45.35000000000002, -4.75], [-45.25, -5.0], [-45.35000000000002, -5.25], [-45.25, -5.5], [-45.35000000000002, -5.75], [-45.25, -6.0], [-45.35000000000002, -6.25], [-45.25, -6.5], [-45.47000000000003, -7.03], [-45.870000000000005, -7.2], [-45.75, -7.5], [-45.97000000000003, -8.03], [-46.31999999999999, -8.18], [-46.35000000000002, -8.25], [-46.25, -8.5], [-46.47000000000003, -9.03], [-46.81999999999999, -9.18], [-46.85000000000002, -9.25], [-46.75, -9.5], [-46.97000000000003, -10.03], [-47.31999999999999, -10.18], [-47.47000000000003, -10.53], [-48.0, -10.75], [-48.52999999999997, -10.53], [-48.68000000000001, -10.18], [-49.02999999999997, -10.03], [-49.18000000000001, -9.68], [-49.52999999999997, -9.53]]]]}, "2024-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.52999999999997, -9.53], [-49.75, -9.0], [-49.52999999999997, -8.47], [-49.120000000000005, -8.3], [-49.25, -8.0], [-49.02999999999997, -7.47], [-48.68000000000001, -7.32], [-48.52999999999997, -6.97], [-48.18000000000001, -6.82], [-48.02999999999997, -6.47], [-47.68000000000001, -6.32], [-47.52999999999997, -5.97], [-47.18000000000001, -5.82], [-47.02999999999997, -5.47], [-46.68000000000001, -5.32], [-46.64999999999998, -5.25], [-46.75, -5.0], [-46.64999999999998, -4.75], [-46.75, -4.5], [-46.52999999999997, -3.97], [-46.0, -3.75], [-45.47000000000003, -3.97], [-45.25, -4.5], [-45.35000000000002, -4.75], [-45.25, -5.0], [-45.35000000000002, -5.25], [-45.25, -5.5], [-45.35000000000002, -5.75], [-45.25, -6.0], [-45.35000000000002, -6.25], [-45.25, -6.5], [-45.47000000000003, -7.03], [-45.870000000000005, -7.2], [-45.75, -7.5], [-45.97000000000003, -8.03], [-46.31999999999999, -8.18], [-46.35000000000002, -8.25], [-46.25, -8.5], [-46.47000000000003, -9.03], [-46.81999999999999, -9.18], [-46.85000000000002, -9.25], [-46.75, -9.5], [-46.97000000000003, -10.03], [-47.31999999999999, -10.18], [-47.47000000000003, -10.53], [-48.0, -10.75], [-48.52999999999997, -10.53], [-48.68000000000001, -10.18], [-49.02999999999997, -10.03], [-49.18000000000001, -9.68], [-49.52999999999997, -9.53]]]]}, "2024-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.52999999999997, -9.53], [-49.75, -9.0], [-49.52999999999997, -8.47], [-49.120000000000005, -8.3], [-49.25, 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1.459287078314303]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6489094251872984, 2.141535643297516, 1.8431757575941106]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5386181435121313, 2.008823846445092, 1.5313469431568971]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.814972583066294, 2.3274543084109567, 1.9078549996772647]}}