{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:20.857234", "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-10_to_2023-May-12_349.5_24.5"}, "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": 2023050001564}, "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 10 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 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": 84998.59946349669}, "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": ["Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 24.5}, "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": 349.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "349.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.75, 24.0], [-13.53, 24.53], [-13.18, 24.68], [-13.03, 25.03], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.68, 25.18], [-11.53, 25.53], [-11.0, 25.75], [-10.75, 25.65], [-10.5, 25.75], [-9.97, 25.53], [-9.82, 25.18], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-9.82, 23.82], [-9.85, 23.75], [-9.75, 23.5], [-9.85, 23.25], [-9.75, 23.0], [-9.85, 22.75], [-9.75, 22.5], [-9.85, 22.25], [-9.75, 22.0], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-11.0, 21.25], [-11.25, 21.35], [-11.5, 21.25], [-12.03, 21.47], [-12.18, 21.82], [-12.53, 21.97], [-12.75, 22.5], [-12.65, 22.75], [-12.68, 22.82], [-13.03, 22.97], [-13.18, 23.32], [-13.53, 23.47], [-13.75, 24.0]]]]}, "2023-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.75, 24.0], [-13.53, 24.53], [-13.18, 24.68], [-13.03, 25.03], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.68, 25.18], [-11.53, 25.53], [-11.0, 25.75], [-10.75, 25.65], [-10.5, 25.75], [-9.97, 25.53], [-9.82, 25.18], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-9.82, 23.82], [-9.85, 23.75], [-9.75, 23.5], [-9.85, 23.25], [-9.75, 23.0], [-9.85, 22.75], [-9.75, 22.5], [-9.85, 22.25], [-9.75, 22.0], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-11.0, 21.25], [-11.25, 21.35], [-11.5, 21.25], [-12.03, 21.47], [-12.18, 21.82], [-12.53, 21.97], [-12.75, 22.5], [-12.65, 22.75], [-12.68, 22.82], [-13.03, 22.97], [-13.18, 23.32], [-13.53, 23.47], [-13.75, 24.0]]]]}, "2023-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.75, 24.0], [-13.53, 24.53], [-13.18, 24.68], [-13.03, 25.03], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.68, 25.18], [-11.53, 25.53], [-11.0, 25.75], [-10.75, 25.65], [-10.5, 25.75], [-9.97, 25.53], [-9.82, 25.18], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-9.82, 23.82], [-9.85, 23.75], [-9.75, 23.5], [-9.85, 23.25], [-9.75, 23.0], [-9.85, 22.75], [-9.75, 22.5], [-9.85, 22.25], [-9.75, 22.0], [-9.97, 21.47], [-10.5, 21.25], [-10.75, 21.35], [-11.0, 21.25], [-11.25, 21.35], [-11.5, 21.25], [-12.03, 21.47], [-12.18, 21.82], [-12.53, 21.97], [-12.75, 22.5], [-12.65, 22.75], [-12.68, 22.82], [-13.03, 22.97], [-13.18, 23.32], [-13.53, 23.47], [-13.75, 24.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.654621464840488}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.022395648538403}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.778738810885784, 34.29075411309441, 33.81236754678167]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.118150791896255, 35.918793697839476, 35.12634715592998]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.007939030087539, 7.3447913638066895, 6.714456551720987]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.397126934667256, 8.654621464840488, 7.306569827120029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7912702192775938, 1.872093839788982, 1.720554115496397]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0274759831819593, 2.0941253449552097, 1.880711906450226]}}