{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:47.547576", "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-Apr-16_to_2025-Apr-20_287.5_-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": 2025040001940}, "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": "April 16 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 20 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": 123590.56810462502}, "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": ["Peru"]}, "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": -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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-70.85, -14.75], [-70.75, -15.0], [-70.97, -15.53], [-71.5, -15.75], [-71.75, -15.65], [-72.0, -15.75], [-72.53, -15.53], [-72.75, -15.0], [-72.65, -14.75], [-72.68, -14.68], [-72.75, -14.65], [-72.82, -14.68], [-72.97, -15.03], [-73.5, -15.25], [-74.03, -15.03], [-74.25, -14.5], [-74.15, -14.25], [-74.18, -14.18], [-74.5, -14.04], [-75.0, -14.25], [-75.53, -14.03], [-75.68, -13.68], [-76.03, -13.53], [-76.18, -13.18], [-76.53, -13.03], [-76.68, -12.68], [-77.03, -12.53], [-77.25, -12.0], [-77.15, -11.75], [-77.18, -11.68], [-77.53, -11.53], [-77.75, -11.0], [-77.65, -10.75], [-77.68, -10.68], [-78.03, -10.53], [-78.25, -10.0], [-78.03, -9.47], [-77.5, -9.25], [-76.97, -9.47], [-76.82, -9.82], [-76.47, -9.97], [-76.32, -10.32], [-76.11, -10.41], [-76.0, -10.46], [-75.5, -10.25], [-74.97, -10.47], [-74.82, -10.82], [-74.47, -10.97], [-74.32, -11.32], [-74.0, -11.46], [-73.5, -11.25], [-72.97, -11.47], [-72.82, -11.82], [-72.75, -11.85], [-72.5, -11.75], [-72.25, -11.85], [-72.0, -11.75], [-71.47, -11.97], [-71.32, -12.32], [-70.97, -12.47], [-70.75, -13.0], [-70.85, -13.25], [-70.75, -13.5], [-70.96, -14.0], [-70.75, -14.5], [-70.85, -14.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "South-American-Monsoon", "S.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.02999999999997, -11.53], [-77.25, -11.0], [-77.02999999999997, -10.47], [-76.5, -10.25], [-75.97000000000003, -10.47], [-75.82, -10.82], [-75.5, -10.96], [-75.0, -10.75], [-74.47000000000003, -10.97], [-74.32, -11.32], [-74.0, -11.46], [-73.5, -11.25], [-72.97000000000003, -11.47], [-72.75, -12.0], [-72.85000000000002, -12.25], [-72.82, -12.32], [-72.47000000000003, -12.47], [-72.32, -12.82], [-71.97000000000003, -12.97], [-71.75, -13.5], [-71.85000000000002, -13.75], [-71.75, -14.0], [-71.97000000000003, -14.53], [-72.5, -14.75], [-72.75, -14.65], 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