{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:33.010066", "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": "2015-Jul-25_to_2015-Jul-27_24.0_-11.0"}, "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": 2015070002834}, "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": "July 25 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2015"}, "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": 60515.89902296851}, "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": ["Angola", "Congo DRC", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-Africa"]}, "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": -11.0}, "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": 24.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 27.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.35, -10.75], [23.25, -10.5], [23.47, -9.97], [24.0, -9.75], [24.53, -9.97], [24.68, -10.32], [24.75, -10.35], [25.0, -10.25], [25.25, -10.35], [25.5, -10.25], [25.75, -10.35], [26.0, -10.25], [26.53, -10.47], [26.7, -10.87], [27.0, -10.75], [27.53, -10.97], [27.68, -11.32], [28.03, -11.47], [28.25, -12.0], [28.15, -12.25], [28.25, -12.5], [28.03, -13.03], [27.5, -13.25], [27.25, -13.15], [27.0, -13.25], [26.75, -13.15], [26.68, -13.18], [26.53, -13.53], [26.0, -13.75], [25.75, -13.65], [25.5, -13.75], [24.97, -13.53], [24.75, -13.0], [24.97, -12.47], [25.32, -12.32], [25.35, -12.25], [25.32, -12.18], [24.97, -12.03], [24.82, -11.68], [24.75, -11.65], [24.68, -11.68], [24.53, -12.03], [24.0, -12.25], [23.47, -12.03], [23.25, -11.5], [23.35, -11.25], [23.25, -11.0], [23.35, -10.75]]]]}, "2015-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.35, -10.75], [23.25, -10.5], [23.47, -9.97], [24.0, -9.75], [24.53, -9.97], [24.68, -10.32], [24.75, -10.35], [25.0, -10.25], [25.25, -10.35], [25.5, -10.25], [25.75, -10.35], [26.0, -10.25], [26.53, -10.47], [26.7, -10.87], [27.0, -10.75], [27.53, -10.97], [27.68, -11.32], [28.03, -11.47], [28.25, -12.0], [28.15, -12.25], [28.25, -12.5], [28.03, -13.03], [27.5, -13.25], [27.25, -13.15], [27.0, -13.25], [26.75, -13.15], [26.68, -13.18], [26.53, -13.53], [26.0, -13.75], [25.75, -13.65], [25.5, -13.75], [24.97, -13.53], [24.75, -13.0], [24.97, -12.47], [25.32, -12.32], [25.35, -12.25], [25.32, -12.18], [24.97, -12.03], [24.82, -11.68], [24.75, -11.65], [24.68, -11.68], [24.53, -12.03], [24.0, -12.25], [23.47, -12.03], [23.25, -11.5], [23.35, -11.25], [23.25, -11.0], [23.35, -10.75]]]]}, "2015-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.35, -10.75], [23.25, -10.5], [23.47, -9.97], [24.0, -9.75], [24.53, -9.97], [24.68, -10.32], [24.75, -10.35], [25.0, -10.25], [25.25, -10.35], [25.5, -10.25], [25.75, -10.35], [26.0, -10.25], [26.53, -10.47], [26.7, -10.87], [27.0, -10.75], [27.53, -10.97], [27.68, -11.32], [28.03, -11.47], [28.25, -12.0], [28.15, -12.25], [28.25, -12.5], [28.03, -13.03], [27.5, -13.25], [27.25, -13.15], [27.0, -13.25], [26.75, -13.15], [26.68, -13.18], [26.53, -13.53], [26.0, -13.75], [25.75, -13.65], [25.5, -13.75], [24.97, -13.53], [24.75, -13.0], [24.97, -12.47], [25.32, -12.32], [25.35, -12.25], [25.32, -12.18], [24.97, -12.03], [24.82, -11.68], [24.75, -11.65], [24.68, -11.68], [24.53, -12.03], [24.0, -12.25], [23.47, -12.03], [23.25, -11.5], [23.35, -11.25], [23.25, -11.0], [23.35, -10.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6810997155658356}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0360552600127884}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.563617916960993, 21.6975940289592, 21.523317309926085]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.20904380441658, 24.29875790742875, 24.37274291445823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.103179908382876, 2.134823647047031, 1.8701622246084582]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6810997155658356, 2.5777818383658655, 2.2390286615514583]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5473988274732764, 1.5808839700045998, 1.3791330209689994]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8468360054981223, 1.8077454873538357, 1.6815033622123676]}}