{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:29.577917", "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": "2010-Aug-10_to_2010-Aug-13_16.5_-29.0"}, "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": 2010080001992}, "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": "August 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 13 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 50998.91242453015}, "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": ["Namibia", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["South Atlantic Ocean"]}, "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": -29.0}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, -27.47], [15.5, -27.25], [16.03, -27.47], [16.18, -27.82], [16.53, -27.97], [16.68, -28.32], [17.03, -28.47], [17.25, -29.0], [17.15, -29.25], [17.25, -29.5], [17.03, -30.03], [16.5, -30.25], [15.97, -30.03], [15.82, -29.68], [15.47, -29.53], [15.32, -29.18], [14.97, -29.03], [14.75, -28.5], [14.85, -28.25], [14.75, -28.0], [14.97, -27.47]]]]}, "2010-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, -27.47], [15.5, -27.25], [15.75, -27.35], [16.0, -27.25], [16.53, -27.47], [16.68, -27.82], [17.03, -27.97], [17.18, -28.32], [17.53, -28.47], [17.75, -29.0], [17.65, -29.25], [17.68, -29.32], [18.03, -29.47], [18.25, -30.0], [18.15, -30.25], [18.18, -30.32], [18.53, -30.47], [18.68, -30.82], [19.03, -30.97], [19.25, -31.5], [19.15, -31.75], [19.25, -32.0], [19.03, -32.53], [18.5, -32.75], [17.97, -32.53], [17.82, -32.18], [17.47, -32.03], [17.25, -31.5], [17.35, -31.25], [17.32, -31.18], [17.25, -31.15], [17.0, -31.25], [16.47, -31.03], [16.32, -30.68], [15.97, -30.53], [15.75, -30.0], [15.85, -29.75], [15.82, -29.68], [15.47, -29.53], [15.32, -29.18], [14.97, -29.03], [14.75, -28.5], [14.85, -28.25], [14.75, -28.0], [14.97, -27.47]]]]}, "2010-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.97, -27.47], [15.5, -27.25], [15.75, -27.35], [16.0, -27.25], [16.53, -27.47], [16.68, -27.82], [17.03, -27.97], [17.18, -28.32], [17.53, -28.47], [17.75, -29.0], [17.65, -29.25], [17.68, -29.32], [18.03, -29.47], [18.25, -30.0], [18.15, -30.25], [18.18, -30.32], [18.53, -30.47], [18.68, -30.82], [19.03, -30.97], [19.25, -31.5], [19.15, -31.75], [19.25, -32.0], [19.03, -32.53], [18.5, -32.75], [17.97, -32.53], [17.82, -32.18], [17.47, -32.03], [17.25, -31.5], [17.35, -31.25], [17.32, -31.18], [17.25, -31.15], [17.0, -31.25], [16.47, -31.03], [16.32, -30.68], [15.97, -30.53], [15.75, -30.0], [15.85, -29.75], [15.82, -29.68], [15.47, -29.53], [15.32, -29.18], [14.97, -29.03], [14.75, -28.5], [14.85, -28.25], [14.75, -28.0], [14.97, -27.47]]]]}, "2010-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.35, -28.25], [15.25, -28.0], [15.47, -27.47], [16.0, -27.25], [16.53, -27.47], [16.68, -27.82], [17.03, -27.97], [17.18, -28.32], [17.53, -28.47], [17.75, -29.0], [17.65, -29.25], [17.68, -29.32], [18.03, -29.47], [18.25, -30.0], [18.15, -30.25], [18.18, -30.32], [18.53, -30.47], [18.68, -30.82], [19.03, -30.97], [19.25, -31.5], [19.15, -31.75], [19.25, -32.0], [19.03, -32.53], [18.5, -32.75], [17.97, -32.53], [17.82, -32.18], [17.47, -32.03], [17.25, -31.5], [17.35, -31.25], [17.32, -31.18], [17.25, -31.15], [17.0, -31.25], [16.47, -31.03], [16.32, -30.68], [15.97, -30.53], [15.75, -30.0], [15.85, -29.75], [15.82, -29.68], [15.47, -29.53], [15.25, -29.0], [15.35, -28.75], [15.25, -28.5], [15.35, -28.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.4034459340120975}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9218872175209016}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.64348948105038, 17.46524314234108, 17.66459746400551, 17.865595865893567]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.2339429620925, 19.73115582108545, 20.459949822531314, 20.715526897010932]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1119036581516752, 3.963906244333989, 4.14064453942633, 4.269249025201111]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8389068912227913, 5.779823437896425, 7.149568039888038, 7.4034459340120975]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8846078110886746, 2.0785473896666935, 2.023914976467816, 1.8961640598104046]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4459468735910597, 2.8012951718988983, 2.509857176604476, 2.3725229803552086]}}