{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:04.198373", "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": "2012-Mar-12_to_2012-Mar-14_36.5_17.5"}, "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": 2012030002222}, "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": "March 12 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2012"}, "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": 82997.8278298669}, "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": ["Sudan"]}, "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": 17.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.85, 15.75], [32.75, 16.0], [32.97, 16.53], [33.32, 16.68], [33.35, 16.75], [33.25, 17.0], [33.47, 17.53], [33.82, 17.68], [33.97, 18.03], [34.5, 18.25], [34.75, 18.15], [35.0, 18.25], [35.25, 18.15], [35.32, 18.18], [35.47, 18.53], [36.0, 18.75], [36.25, 18.65], [36.5, 18.75], [37.03, 18.53], [37.25, 18.0], [37.15, 17.75], [37.25, 17.5], [37.03, 16.97], [36.68, 16.82], [36.53, 16.47], [36.18, 16.32], [36.03, 15.97], [35.68, 15.82], [35.65, 15.75], [35.75, 15.5], [35.65, 15.25], [35.75, 15.0], [35.53, 14.47], [35.0, 14.25], [34.75, 14.35], [34.5, 14.25], [34.25, 14.35], [34.0, 14.25], [33.75, 14.35], [33.5, 14.25], [32.97, 14.47], [32.75, 15.0], [32.85, 15.25], [32.75, 15.5], [32.85, 15.75]]]]}, "2012-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.85, 15.75], [32.75, 16.0], [32.97, 16.53], [33.32, 16.68], [33.35, 16.75], [33.25, 17.0], [33.47, 17.53], [33.82, 17.68], [33.97, 18.03], [34.5, 18.25], [34.75, 18.15], [35.0, 18.25], [35.25, 18.15], [35.32, 18.18], [35.47, 18.53], [36.0, 18.75], [36.25, 18.65], [36.5, 18.75], [37.03, 18.53], [37.25, 18.0], [37.15, 17.75], [37.25, 17.5], [37.03, 16.97], [36.68, 16.82], [36.53, 16.47], [36.18, 16.32], [36.03, 15.97], [35.68, 15.82], [35.65, 15.75], [35.75, 15.5], [35.65, 15.25], [35.75, 15.0], [35.53, 14.47], [35.0, 14.25], [34.75, 14.35], [34.5, 14.25], [34.25, 14.35], [34.0, 14.25], [33.75, 14.35], [33.5, 14.25], [32.97, 14.47], [32.75, 15.0], [32.85, 15.25], [32.75, 15.5], [32.85, 15.75]]]]}, "2012-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.85, 15.75], [32.75, 16.0], [32.97, 16.53], [33.32, 16.68], [33.35, 16.75], [33.25, 17.0], [33.47, 17.53], [33.82, 17.68], [33.97, 18.03], [34.5, 18.25], [34.75, 18.15], [35.0, 18.25], [35.25, 18.15], [35.32, 18.18], [35.47, 18.53], [36.0, 18.75], [36.25, 18.65], [36.5, 18.75], [37.03, 18.53], [37.25, 18.0], [37.15, 17.75], [37.25, 17.5], [37.03, 16.97], [36.68, 16.82], [36.53, 16.47], [36.18, 16.32], [36.03, 15.97], [35.68, 15.82], [35.65, 15.75], [35.75, 15.5], [35.65, 15.25], [35.75, 15.0], [35.53, 14.47], [35.0, 14.25], [34.75, 14.35], [34.5, 14.25], [34.25, 14.35], [34.0, 14.25], [33.75, 14.35], [33.5, 14.25], [32.97, 14.47], [32.75, 15.0], [32.85, 15.25], [32.75, 15.5], [32.85, 15.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.043270693459135}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.681451059149821}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.858949441084974, 34.2693410883403, 32.99430185395181]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.33560916656211, 36.11759020297319, 34.495071863584315]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.057434311145654, 5.5572657504697816, 4.429653115834029]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.5440849865744894, 6.043270693459135, 5.199151192913064]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4907024498651418, 2.0363870732488922, 1.6103396388300355]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6585012027148218, 2.409731531269495, 1.7926915898155027]}}