{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:24:42.683347", "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": "2021-May-03_to_2021-May-05_307.0_-26.0"}, "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": 2021050001611}, "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 03 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 05 2021"}, "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": 55828.43493051946}, "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", "Paraguay"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -26.0}, "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": 307.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-54.5, -23.25], [-53.97, -23.47], [-53.823, -23.823], [-53.5, -23.957], [-53.0, -23.75], [-52.47, -23.97], [-52.323, -24.323], [-51.97, -24.47], [-51.823, -24.823], [-51.47, -24.97], [-51.25, -25.5], [-51.457, -26.0], [-51.25, -26.5], [-51.47, -27.03], [-51.823, -27.177], [-51.97, -27.53], [-52.5, -27.75], [-53.03, -27.53], [-53.177, -27.177], [-53.53, -27.03], [-53.677, -26.677], [-54.03, -26.53], [-54.177, -26.177], [-54.53, -26.03], [-54.75, -25.5], [-54.646, -25.25], [-54.677, -25.177], [-54.75, -25.146], [-55.0, -25.25], [-55.53, -25.03], [-55.75, -24.5], [-55.53, -23.97], [-55.177, -23.823], [-55.03, -23.47], [-54.5, -23.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-05-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-55.17677669529661, -23.82322330470336], [-55.03033008588989, -23.46966991411009], [-54.5, -23.25], [-53.96966991411011, -23.46966991411009], [-53.82322330470339, -23.82322330470336], [-53.5, -23.957106781186557], [-53.0, -23.75], [-52.46966991411011, -23.96966991411009], [-52.32322330470339, -24.32322330470336], [-51.96966991411011, -24.46966991411009], [-51.82322330470339, -24.82322330470336], [-51.46966991411011, -24.96966991411009], [-51.25, -25.5], [-51.45710678118655, -26.0], [-51.25, -26.5], [-51.46966991411011, -27.03033008588991], [-51.82322330470339, -27.17677669529664], [-51.96966991411011, -27.53033008588991], [-52.5, -27.75], [-53.03033008588989, -27.53033008588991], [-53.17677669529661, -27.17677669529664], [-53.53033008588989, -27.03033008588991], [-53.67677669529661, -26.67677669529664], [-54.03033008588989, -26.53033008588991], [-54.17677669529661, -26.17677669529664], [-54.53033008588989, -26.03033008588991], [-54.75, -25.5], [-54.64644660940672, -25.25], [-54.67677669529661, -25.17677669529664], [-54.75, -25.146446609406723], [-55.0, -25.25], [-55.53033008588989, -25.03033008588991], [-55.75, -24.5], [-55.53033008588989, -23.96966991411009], [-55.17677669529661, -23.82322330470336]]]}, "2021-05-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-55.17677669529661, -23.82322330470336], [-55.03033008588989, -23.46966991411009], [-54.5, -23.25], [-53.96966991411011, -23.46966991411009], [-53.82322330470339, -23.82322330470336], [-53.5, -23.957106781186557], [-53.0, -23.75], [-52.46966991411011, -23.96966991411009], [-52.32322330470339, -24.32322330470336], [-51.96966991411011, -24.46966991411009], [-51.82322330470339, -24.82322330470336], [-51.46966991411011, -24.96966991411009], [-51.25, -25.5], [-51.45710678118655, -26.0], [-51.25, -26.5], [-51.46966991411011, -27.03033008588991], [-51.82322330470339, -27.17677669529664], [-51.96966991411011, -27.53033008588991], [-52.5, -27.75], [-53.03033008588989, -27.53033008588991], [-53.17677669529661, -27.17677669529664], [-53.53033008588989, -27.03033008588991], [-53.67677669529661, -26.67677669529664], [-54.03033008588989, 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{"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.47374127082412, 22.451465258750375, 22.038604732382964]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.451848735625674, 24.891029622080225, 24.20453364480653]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.004141746264662, 4.209916305187042, 4.041784785702953]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.641470420410428, 5.002999181118582, 4.8524959136417465]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3226712159187706, 1.3830147027586626, 1.3331428436545298]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.510711986872495, 1.5136407575290745, 1.699794797366201]}}