{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:29.083418", "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": "2023-May-15_to_2023-May-18_292.5_-50.0"}, "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": 2023050002013}, "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 15 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2023"}, "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": 124555.79297172367}, "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": ["Argentina"]}, "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": ["Atlantic Ocean"]}, "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": -50.0}, "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": 292.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -51.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -47.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-68.03, -48.97], [-67.68, -48.82], [-67.53, -48.47], [-67.18, -48.32], [-67.15, -48.25], [-67.18, -48.18], [-67.53, 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[-68.65, -50.25], [-68.75, -50.0], [-68.53, -49.47], [-68.18, -49.32], [-68.03, -48.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, -50.0], [-68.52999999999997, -49.47], [-68.18, -49.32], [-68.02999999999997, -48.97], [-67.68, -48.82], [-67.52999999999997, -48.47], [-67.18, -48.32], [-67.14999999999998, -48.25], [-67.18, -48.18], [-67.52999999999997, -48.03], [-67.75, -47.5], [-67.64999999999998, -47.25], [-67.75, -47.0], [-67.52999999999997, -46.47], [-67.0, -46.25], [-66.75, -46.35], [-66.5, -46.25], [-66.0, -46.46], [-65.5, -46.25], [-65.25, -46.35], [-65.0, -46.25], [-64.47000000000003, -46.47], [-64.25, -47.0], [-64.35000000000002, -47.25], [-64.32, -47.32], [-63.97000000000003, 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anomalies.", "value": [3.1561719779797093, 3.198997957126712, 2.4337725490216595, 1.9340773718439823]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.745294561206151, 6.314052643924583, 4.505086181983756, 2.877195309879255]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7858322362865509, 1.8581336555641157, 1.4007389625279487, 1.3396878075829277]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7757653305857883, 2.3211706000548253, 1.5310367812777572, 1.43736288051138]}}