{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:35.592838", "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-26_to_2023-May-28_287.0_-12.0"}, "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": 2023050002592}, "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 26 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 28 2023"}, "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": 54566.32006543619}, "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", "Peru"]}, "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": -12.0}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.03, -10.97], [-73.5, -10.75], [-73.0, -10.96], [-72.5, -10.75], [-72.25, -10.85], [-72.0, -10.75], [-71.75, -10.85], [-71.62, -10.8], [-71.75, -10.5], [-71.53, -9.97], [-71.12, -9.8], [-71.25, -9.5], [-71.03, -8.97], [-70.5, -8.75], [-69.97, -8.97], [-69.82, -9.32], [-69.47, -9.47], [-69.25, -10.0], [-69.35, -10.25], [-69.25, -10.5], [-69.35, -10.75], [-69.32, -10.82], [-68.97, -10.97], [-68.75, -11.5], [-68.97, -12.03], [-69.5, -12.25], [-69.75, -12.15], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-70.75, -12.15], [-70.82, -12.18], [-70.97, -12.53], [-71.5, -12.75], [-71.75, -12.65], [-72.0, -12.75], [-72.25, -12.65], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], [-73.53, -12.53], [-73.68, -12.18], [-74.03, -12.03], [-74.25, -11.5], [-74.03, -10.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.02999999999997, -12.03], [-74.25, -11.5], [-74.02999999999997, -10.97], [-73.5, -10.75], [-73.0, -10.96], [-72.5, -10.75], [-72.25, -10.85], [-72.0, -10.75], [-71.75, -10.85], [-71.62, -10.8], [-71.75, -10.5], [-71.52999999999997, -9.97], [-71.12, -9.8], [-71.25, -9.5], [-71.02999999999997, -8.97], [-70.5, -8.75], [-69.97000000000003, -8.97], [-69.82, -9.32], [-69.47000000000003, -9.47], [-69.25, -10.0], [-69.35000000000002, -10.25], [-69.25, -10.5], [-69.35000000000002, -10.75], [-69.32, -10.82], [-68.97000000000003, -10.97], [-68.75, -11.5], [-68.97000000000003, -12.03], [-69.5, -12.25], [-69.75, -12.15], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-70.75, -12.15], [-70.82, -12.18], [-70.97000000000003, -12.53], [-71.5, -12.75], [-71.75, -12.65], [-72.0, -12.75], [-72.25, -12.65], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], [-73.52999999999997, -12.53], [-73.68, -12.18], [-74.02999999999997, -12.03]]]]}, "2023-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.02999999999997, -12.03], [-74.25, -11.5], [-74.02999999999997, -10.97], [-73.5, -10.75], [-73.0, -10.96], [-72.5, -10.75], [-72.25, -10.85], [-72.0, -10.75], [-71.75, -10.85], [-71.62, -10.8], [-71.75, -10.5], [-71.52999999999997, -9.97], [-71.12, -9.8], [-71.25, -9.5], [-71.02999999999997, -8.97], [-70.5, -8.75], [-69.97000000000003, -8.97], [-69.82, -9.32], [-69.47000000000003, -9.47], [-69.25, -10.0], [-69.35000000000002, -10.25], [-69.25, -10.5], [-69.35000000000002, -10.75], [-69.32, -10.82], [-68.97000000000003, -10.97], [-68.75, -11.5], [-68.97000000000003, -12.03], [-69.5, -12.25], [-69.75, -12.15], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-70.75, -12.15], [-70.82, -12.18], [-70.97000000000003, -12.53], [-71.5, -12.75], [-71.75, -12.65], [-72.0, -12.75], [-72.25, -12.65], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], [-73.52999999999997, -12.53], [-73.68, -12.18], [-74.02999999999997, -12.03]]]]}, "2023-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.02999999999997, -12.03], [-74.25, -11.5], [-74.02999999999997, -10.97], [-73.5, -10.75], [-73.0, -10.96], [-72.5, -10.75], [-72.25, -10.85], [-72.0, -10.75], [-71.75, -10.85], [-71.62, -10.8], [-71.75, -10.5], [-71.52999999999997, -9.97], [-71.12, -9.8], [-71.25, -9.5], [-71.02999999999997, -8.97], [-70.5, -8.75], [-69.97000000000003, -8.97], [-69.82, -9.32], [-69.47000000000003, -9.47], [-69.25, -10.0], [-69.35000000000002, -10.25], [-69.25, -10.5], [-69.35000000000002, -10.75], [-69.32, -10.82], [-68.97000000000003, -10.97], [-68.75, -11.5], [-68.97000000000003, -12.03], [-69.5, -12.25], [-69.75, -12.15], [-70.0, -12.25], [-70.25, -12.15], [-70.5, -12.25], [-70.75, -12.15], [-70.82, -12.18], [-70.97000000000003, -12.53], [-71.5, -12.75], [-71.75, -12.65], [-72.0, -12.75], [-72.25, -12.65], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], [-73.52999999999997, -12.53], [-73.68, -12.18], [-74.02999999999997, -12.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5805916616700415}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9993611712640047}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.923625293842235, 24.998018681286737, 24.895883754035935]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.096554760178094, 25.944055102436266, 26.153298818872884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9599803670699254, 2.076608408148568, 1.9614947385735206]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4734330750268896, 2.5805916616700415, 2.331155140095575]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1647912206490727, 1.2365904911185828, 1.24151047960284]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5147593187063841, 1.6608217680203992, 1.4000831767104112]}}