{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:36.967065", "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-Sep-02_to_2021-Sep-05_289.5_-5.5"}, "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": 2021090001347}, "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": "September 02 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2021"}, "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": 95617.4480040981}, "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", "Colombia", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -5.5}, "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": 289.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-71.68, -4.82], [-71.53, -4.47], [-71.18, -4.32], [-71.15, -4.25], [-71.18, -4.18], [-71.53, -4.03], [-71.75, -3.5], [-71.65, -3.25], [-71.68, -3.18], [-71.75, -3.15], [-72.0, -3.25], [-72.53, -3.03], [-72.68, -2.68], [-73.03, -2.53], [-73.25, -2.0], [-73.15, -1.75], [-73.25, -1.5], [-73.03, -0.97], [-72.5, -0.75], [-72.25, -0.85], [-72.0, -0.75], [-71.7, -0.88], [-71.53, -0.47], [-71.0, -0.25], [-70.75, -0.35], [-70.5, -0.25], [-69.97, -0.47], [-69.82, -0.82], [-69.47, -0.97], [-69.32, -1.32], [-68.97, -1.47], [-68.82, -1.82], [-68.47, -1.97], [-68.25, -2.5], [-68.47, -3.03], [-68.82, -3.18], [-68.97, -3.53], [-69.32, -3.68], [-69.47, -4.03], [-69.82, -4.18], [-69.85, -4.25], [-69.75, -4.5], [-69.85, -4.75], [-69.82, -4.82], [-69.47, -4.97], [-69.25, -5.5], [-69.35, -5.75], [-69.25, -6.0], [-69.47, -6.53], [-70.0, -6.75], [-70.25, -6.65], [-70.5, -6.75], [-70.75, -6.65], [-71.0, -6.75], [-71.53, -6.53], [-71.68, -6.18], [-72.03, -6.03], [-72.25, -5.5], [-72.03, -4.97], [-71.68, -4.82]], [[-70.82, -2.32], [-70.75, -2.35], [-70.62, -2.3], [-70.75, -2.0], [-70.65, -1.75], [-70.68, -1.68], [-70.75, -1.65], [-71.0, -1.75], [-71.3, -1.62], [-71.35, -1.75], [-71.32, -1.82], [-70.97, -1.97], [-70.82, -2.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.02999999999997, -6.03], [-72.25, -5.5], [-72.02999999999997, -4.97], [-71.68, -4.82], [-71.52999999999997, -4.47], [-71.0, -4.25], [-70.75, -4.35], [-70.5, -4.25], [-69.97000000000003, -4.47], [-69.82, -4.82], [-69.47000000000003, -4.97], [-69.25, -5.5], [-69.35000000000002, -5.75], [-69.25, -6.0], [-69.47000000000003, -6.53], [-70.0, -6.75], [-70.25, -6.65], [-70.5, -6.75], [-70.75, -6.65], [-71.0, -6.75], [-71.52999999999997, -6.53], [-71.68, -6.18], [-72.02999999999997, -6.03]]]]}, "2021-09-03T11:30:00.000000000": 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over entire duration", "value": 2.886440126093021}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6477504767613513}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.045453214079487, 27.02648401125049, 27.121571833697033, 26.904870955673005]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.33434240497303, 27.806906716304127, 28.456457892954347, 27.426900906977323]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4585269972615214, 1.662569622220646, 1.7497013974677755, 1.571076047335798]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7113612141195063, 2.2287299457649965, 2.886440126093021, 1.8822280913581153]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.542071064169859, 1.8285768962035691, 1.9014335675646385, 1.8333194563221524]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8050983392680622, 2.472108587721432, 2.7525718531324204, 2.3689083085632214]}}