{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:13.364772", "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": "2011-Aug-13_to_2011-Aug-17_37.0_3.5"}, "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": 2011080002457}, "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 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58643.28801515049}, "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": ["Ethiopia", "Kenya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.Eastern-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": 3.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 1.97], [39.25, 2.5], [39.47, 3.03], [40.0, 3.25], [40.53, 3.03], [40.75, 2.5], [40.53, 1.97], [40.0, 1.75], [39.47, 1.97]]], [[[36.47, 4.03], [37.0, 4.25], [37.25, 4.15], [37.5, 4.25], [38.03, 4.03], [38.25, 3.5], [38.15, 3.25], [38.18, 3.18], [38.53, 3.03], [38.75, 2.5], [38.65, 2.25], [38.75, 2.0], [38.53, 1.47], [38.0, 1.25], [37.47, 1.47], [37.32, 1.82], [36.97, 1.97], [36.75, 2.5], [36.85, 2.75], [36.82, 2.82], [36.47, 2.97], [36.25, 3.5], [36.47, 4.03]]]]}, "2011-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, 3.5], [36.47, 4.03], [36.82, 4.18], [36.97, 4.53], [37.5, 4.75], [37.75, 4.65], [38.0, 4.75], [38.53, 4.53], [38.68, 4.18], [38.75, 4.15], [39.0, 4.25], [39.53, 4.03], [39.68, 3.68], [40.03, 3.53], [40.18, 3.18], [40.53, 3.03], [40.75, 2.5], [40.53, 1.97], [40.0, 1.75], [39.47, 1.97], [39.32, 2.32], [39.25, 2.35], [39.0, 2.25], [38.75, 2.35], [38.68, 2.32], [38.65, 2.25], [38.75, 2.0], [38.53, 1.47], [38.0, 1.25], [37.47, 1.47], [37.32, 1.82], [36.97, 1.97], [36.75, 2.5], [36.85, 2.75], [36.82, 2.82], [36.47, 2.97], [36.25, 3.5]]]]}, "2011-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, 3.25], [36.25, 3.5], [36.47, 4.03], [36.82, 4.18], [36.97, 4.53], [37.5, 4.75], [37.75, 4.65], [38.0, 4.75], [38.53, 4.53], [38.68, 4.18], [38.75, 4.15], [39.0, 4.25], [39.53, 4.03], [39.68, 3.68], [39.75, 3.65], [40.0, 3.75], [40.53, 3.53], [40.75, 3.0], [40.65, 2.75], [40.75, 2.5], [40.53, 1.97], [40.0, 1.75], [39.47, 1.97], [39.32, 2.32], [39.25, 2.35], [39.0, 2.25], [38.75, 2.35], [38.68, 2.32], [38.65, 2.25], [38.75, 2.0], [38.53, 1.47], [38.0, 1.25], [37.47, 1.47], [37.32, 1.82], [37.25, 1.85], [37.0, 1.75], [36.47, 1.97], [36.25, 2.5], [36.35, 2.75], [36.25, 3.0], [36.35, 3.25]]]]}, "2011-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, 3.25], [36.25, 3.5], [36.47, 4.03], [36.82, 4.18], [36.97, 4.53], [37.5, 4.75], [37.75, 4.65], [38.0, 4.75], [38.53, 4.53], [38.68, 4.18], [38.75, 4.15], [39.0, 4.25], [39.53, 4.03], [39.68, 3.68], 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9128802319386295}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.422569087360916}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.20320421589082, 27.48314328694687, 27.426640230030387, 27.071092026109, 27.306672739274745]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.358429904325533, 30.642062143039425, 30.385224098791298, 30.452813057803894, 30.72606556352656]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1816586414669896, 1.6063287648459017, 1.392087979181081, 1.298009631964522, 1.5049635013144709]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily 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