{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:05.084532", "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-Oct-11_to_2021-Oct-15_350.0_17.0"}, "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": 2021100001792}, "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": "October 11 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 2021"}, "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": 65085.11400446211}, "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": ["Mali", "Mauritania"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa"]}, "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": 17.0}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 349.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 354.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-11.53, 17.53], [-11.0, 17.75], [-10.75, 17.65], [-10.68, 17.68], [-10.53, 18.03], [-10.0, 18.25], [-9.5, 18.04], [-9.0, 18.25], [-8.47, 18.03], [-8.32, 17.68], [-7.97, 17.53], [-7.82, 17.18], [-7.75, 17.15], [-7.68, 17.18], [-7.65, 17.25], [-7.75, 17.5], [-7.53, 18.03], [-7.0, 18.25], [-6.75, 18.15], [-6.5, 18.25], [-5.97, 18.03], [-5.82, 17.68], [-5.75, 17.65], [-5.5, 17.75], [-4.97, 17.53], [-4.75, 17.0], [-4.97, 16.47], [-5.5, 16.25], [-5.75, 16.35], [-6.0, 16.25], [-6.25, 16.35], [-6.32, 16.32], [-6.35, 16.25], [-6.25, 16.0], [-6.47, 15.47], [-7.0, 15.25], [-7.25, 15.35], [-7.5, 15.25], [-8.03, 15.47], [-8.18, 15.82], [-8.3, 15.87], [-8.47, 15.47], [-9.0, 15.25], [-9.53, 15.47], [-9.68, 15.82], [-10.03, 15.97], [-10.18, 16.32], [-10.25, 16.35], [-10.5, 16.25], [-10.75, 16.35], [-11.0, 16.25], [-11.53, 16.47], [-11.75, 17.0], [-11.53, 17.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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35.33295121910402, 34.96687197023169]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6262447022843673, 2.0325417092530853, 2.2164367212313607, 2.1473551414121497, 2.105329877119842]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0648934574240343, 2.521204183531381, 2.6868878941234584, 2.9917486886706683, 2.4802351423518303]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4414812864664217, 1.1316668779353471, 1.2299538248806376, 1.1855871651657637, 1.1575446786592491]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6878549437108137, 1.396481336443507, 1.526462400635139, 1.5712690313685083, 1.3432153047318975]}}