{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:11.218635", "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": "2022-Jun-06_to_2022-Jun-08_15.0_9.0"}, "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": 2022060001782}, "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": "June 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2022"}, "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": 124688.4067411535}, "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": ["Cameroon", "Central African Republic", "Chad", "Nigeria"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa", "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": 9.0}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[13.25, 10.0], [13.47, 10.53], [13.82, 10.68], [13.96, 11.0], [13.75, 11.5], [13.97, 12.03], [14.5, 12.25], [14.75, 12.15], [15.0, 12.25], [15.25, 12.15], [15.5, 12.25], [15.75, 12.15], [16.0, 12.25], [16.25, 12.15], [16.5, 12.25], [17.0, 12.04], [17.32, 12.18], [17.47, 12.53], [18.0, 12.75], [18.5, 12.54], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.53, 10.97], [19.18, 10.82], [19.03, 10.47], [18.5, 10.25], [18.25, 10.35], [18.0, 10.25], [17.75, 10.35], [17.5, 10.25], [17.25, 10.35], [17.18, 10.32], [17.13, 10.2], [17.53, 10.03], [17.75, 9.5], [17.53, 8.97], [17.0, 8.75], [16.75, 8.85], [16.5, 8.75], [16.25, 8.85], [16.18, 8.82], [16.15, 8.75], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.5, 6.75], [15.25, 6.85], [15.0, 6.75], [14.47, 6.97], [14.25, 7.5], [14.38, 7.8], [14.25, 7.85], [14.0, 7.75], [13.47, 7.97], [13.25, 8.5], [13.35, 8.75], [13.25, 9.0], [13.46, 9.5], [13.25, 10.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 9.0], [13.46, 9.5], [13.25, 10.0], [13.47, 10.53], [13.82, 10.68], [13.96, 11.0], [13.75, 11.5], [13.97, 12.03], [14.5, 12.25], [14.75, 12.15], [15.0, 12.25], [15.25, 12.15], [15.5, 12.25], [15.75, 12.15], [16.0, 12.25], [16.25, 12.15], [16.5, 12.25], [17.0, 12.04], [17.32, 12.18], [17.47, 12.53], [18.0, 12.75], [18.5, 12.54], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.53, 10.97], [19.18, 10.82], [19.03, 10.47], [18.5, 10.25], [18.25, 10.35], [18.0, 10.25], [17.75, 10.35], [17.5, 10.25], [17.25, 10.35], [17.18, 10.32], [17.13, 10.2], [17.53, 10.03], [17.75, 9.5], [17.53, 8.97], [17.0, 8.75], [16.75, 8.85], [16.5, 8.75], [16.25, 8.85], [16.18, 8.82], [16.15, 8.75], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.5, 6.75], [15.25, 6.85], [15.0, 6.75], [14.47, 6.97], [14.25, 7.5], [14.38, 7.8], [14.25, 7.85], [14.0, 7.75], [13.47, 7.97], [13.25, 8.5], [13.35, 8.75], [13.25, 9.0]]]]}, "2022-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 9.0], [13.46, 9.5], [13.25, 10.0], [13.47, 10.53], [13.82, 10.68], [13.96, 11.0], [13.75, 11.5], [13.97, 12.03], [14.5, 12.25], [14.75, 12.15], [15.0, 12.25], [15.25, 12.15], [15.5, 12.25], [15.75, 12.15], [16.0, 12.25], [16.25, 12.15], [16.5, 12.25], [17.0, 12.04], [17.32, 12.18], [17.47, 12.53], [18.0, 12.75], [18.5, 12.54], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.53, 10.97], [19.18, 10.82], [19.03, 10.47], [18.5, 10.25], [18.25, 10.35], [18.0, 10.25], [17.75, 10.35], [17.5, 10.25], [17.25, 10.35], [17.18, 10.32], [17.13, 10.2], [17.53, 10.03], [17.75, 9.5], [17.53, 8.97], [17.0, 8.75], [16.75, 8.85], [16.5, 8.75], [16.25, 8.85], [16.18, 8.82], [16.15, 8.75], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.5, 6.75], [15.25, 6.85], [15.0, 6.75], [14.47, 6.97], [14.25, 7.5], [14.38, 7.8], [14.25, 7.85], [14.0, 7.75], [13.47, 7.97], [13.25, 8.5], [13.35, 8.75], [13.25, 9.0]]]]}, "2022-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 9.0], [13.46, 9.5], [13.25, 10.0], [13.47, 10.53], [13.82, 10.68], [13.96, 11.0], [13.75, 11.5], [13.97, 12.03], [14.5, 12.25], [14.75, 12.15], [15.0, 12.25], [15.25, 12.15], [15.5, 12.25], [15.75, 12.15], [16.0, 12.25], [16.25, 12.15], [16.5, 12.25], [17.0, 12.04], [17.32, 12.18], [17.47, 12.53], [18.0, 12.75], [18.5, 12.54], [19.0, 12.75], [19.53, 12.53], [19.75, 12.0], [19.65, 11.75], [19.75, 11.5], [19.53, 10.97], [19.18, 10.82], [19.03, 10.47], [18.5, 10.25], [18.25, 10.35], [18.0, 10.25], [17.75, 10.35], [17.5, 10.25], [17.25, 10.35], [17.18, 10.32], [17.13, 10.2], [17.53, 10.03], [17.75, 9.5], [17.53, 8.97], [17.0, 8.75], [16.75, 8.85], [16.5, 8.75], [16.25, 8.85], [16.18, 8.82], [16.15, 8.75], [16.25, 8.5], [16.15, 8.25], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.5, 6.75], [15.25, 6.85], [15.0, 6.75], [14.47, 6.97], [14.25, 7.5], [14.38, 7.8], [14.25, 7.85], [14.0, 7.75], [13.47, 7.97], [13.25, 8.5], [13.35, 8.75], [13.25, 9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.943557077386288}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7308894925112437}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.870334544214245, 32.74436443186556, 32.162476405840266]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.15738052690182, 35.355411814434035, 34.709039763300666]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2693456924504773, 3.2112758520735922, 2.7120469330096615]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8818899145204, 3.943557077386288, 3.600791663771531]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3820735730332112, 1.9911883622783153, 1.7640464663448605]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7238488223348944, 2.4293180841009483, 2.2037349581093406]}}