{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:09.245278", "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": "2014-Aug-12_to_2014-Aug-17_29.0_17.0"}, "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": 2014080002255}, "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 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 195695.13057116268}, "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": 17.0}, "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": 29.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 21.53], [27.0, 21.75], [27.53, 21.53], [27.75, 21.0], [27.65, 20.75], [27.75, 20.5], [27.53, 19.97], [27.0, 19.75], [26.47, 19.97], [26.25, 20.5], [26.35, 20.75], [26.25, 21.0], [26.47, 21.53]]]]}, "2014-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 21.53], [27.0, 21.75], [27.25, 21.65], [27.5, 21.75], [27.75, 21.65], [28.0, 21.75], [28.25, 21.65], [28.5, 21.75], [29.03, 21.53], [29.18, 21.18], [29.53, 21.03], [29.75, 20.5], [29.65, 20.25], [29.75, 20.0], [29.53, 19.47], [29.0, 19.25], [28.47, 19.47], [28.32, 19.82], [28.25, 19.85], [28.0, 19.75], [27.75, 19.85], [27.5, 19.75], [27.25, 19.85], [27.0, 19.75], [26.47, 19.97], [26.25, 20.5], [26.35, 20.75], [26.25, 21.0], [26.47, 21.53]]]]}, "2014-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.85, 20.25], [25.75, 20.5], [25.97, 21.03], [26.32, 21.18], [26.47, 21.53], [27.0, 21.75], [27.25, 21.65], [27.5, 21.75], [27.75, 21.65], [28.0, 21.75], [28.25, 21.65], [28.5, 21.75], [29.03, 21.53], [29.18, 21.18], [29.25, 21.15], [29.5, 21.25], [30.03, 21.03], [30.18, 20.68], [30.25, 20.65], [30.5, 20.75], [30.75, 20.65], [31.0, 20.75], [31.25, 20.65], [31.5, 20.75], [32.03, 20.53], [32.25, 20.0], [32.07, 19.57], [32.32, 19.68], [32.47, 20.03], [33.0, 20.25], [33.53, 20.03], [33.75, 19.5], [33.65, 19.25], [33.75, 19.0], [33.53, 18.47], [33.0, 18.25], [32.75, 18.35], [32.68, 18.32], [32.53, 17.97], [32.18, 17.82], [32.03, 17.47], [31.5, 17.25], [31.25, 17.35], [31.0, 17.25], [30.75, 17.35], [30.68, 17.32], [30.53, 16.97], [30.0, 16.75], [29.75, 16.85], [29.68, 16.82], [29.53, 16.47], [29.0, 16.25], [28.75, 16.35], [28.5, 16.25], [28.25, 16.35], [28.0, 16.25], [27.47, 16.47], [27.32, 16.82], [26.97, 16.97], [26.75, 17.5], [26.88, 17.8], [26.47, 17.97], [26.25, 18.5], [26.38, 18.8], [25.97, 18.97], [25.75, 19.5], [25.85, 19.75], [25.75, 20.0], [25.85, 20.25]], [[31.68, 19.32], [31.63, 19.2], [31.75, 19.15], [31.82, 19.18], [31.93, 19.43], [31.68, 19.32]]]]}, "2014-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.85, 20.25], [25.75, 20.5], [25.97, 21.03], [26.32, 21.18], [26.47, 21.53], [27.0, 21.75], [27.25, 21.65], [27.5, 21.75], [27.75, 21.65], [28.0, 21.75], [28.25, 21.65], [28.5, 21.75], [29.03, 21.53], [29.18, 21.18], [29.25, 21.15], [29.5, 21.25], [30.03, 21.03], [30.18, 20.68], [30.25, 20.65], [30.5, 20.75], [30.75, 20.65], [31.0, 20.75], [31.25, 20.65], [31.5, 20.75], [32.03, 20.53], [32.25, 20.0], [32.07, 19.57], [32.32, 19.68], [32.47, 20.03], [33.0, 20.25], [33.53, 20.03], [33.75, 19.5], [33.65, 19.25], [33.75, 19.0], [33.53, 18.47], [33.0, 18.25], [32.75, 18.35], [32.68, 18.32], [32.53, 17.97], [32.18, 17.82], [32.03, 17.47], [31.5, 17.25], [31.25, 17.35], [31.0, 17.25], [30.75, 17.35], [30.68, 17.32], [30.53, 16.97], [30.0, 16.75], [29.75, 16.85], [29.68, 16.82], [29.53, 16.47], [29.0, 16.25], [28.75, 16.35], [28.5, 16.25], [28.25, 16.35], [28.0, 16.25], [27.47, 16.47], [27.32, 16.82], [26.97, 16.97], [26.75, 17.5], [26.88, 17.8], [26.47, 17.97], [26.25, 18.5], [26.38, 18.8], [25.97, 18.97], [25.75, 19.5], [25.85, 19.75], [25.75, 20.0], [25.85, 20.25]], [[31.68, 19.32], [31.63, 19.2], [31.75, 19.15], [31.82, 19.18], [31.93, 19.43], [31.68, 19.32]]]]}, "2014-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.85, 20.25], [25.75, 20.5], [25.97, 21.03], [26.5, 21.25], [27.03, 21.03], [27.18, 20.68], [27.25, 20.65], [27.5, 20.75], [27.75, 20.65], [28.0, 20.75], [28.25, 20.65], [28.32, 20.68], [28.47, 21.03], [29.0, 21.25], [29.25, 21.15], [29.5, 21.25], [30.03, 21.03], [30.18, 20.68], [30.25, 20.65], [30.5, 20.75], [30.75, 20.65], [31.0, 20.75], [31.25, 20.65], [31.5, 20.75], [32.03, 20.53], [32.25, 20.0], [32.07, 19.57], [32.32, 19.68], [32.47, 20.03], [33.0, 20.25], [33.53, 20.03], [33.75, 19.5], [33.65, 19.25], [33.75, 19.0], [33.53, 18.47], [33.0, 18.25], [32.75, 18.35], [32.68, 18.32], [32.53, 17.97], [32.18, 17.82], [32.03, 17.47], [31.5, 17.25], [31.25, 17.35], [31.0, 17.25], [30.75, 17.35], [30.68, 17.32], [30.53, 16.97], [30.0, 16.75], [29.75, 16.85], [29.68, 16.82], [29.53, 16.47], [29.0, 16.25], [28.75, 16.35], [28.5, 16.25], [28.25, 16.35], [28.0, 16.25], [27.47, 16.47], [27.32, 16.82], [26.97, 16.97], [26.75, 17.5], [26.88, 17.8], [26.47, 17.97], [26.25, 18.5], [26.38, 18.8], [25.97, 18.97], [25.75, 19.5], [25.85, 19.75], [25.75, 20.0], [25.85, 20.25]], [[31.68, 19.32], [31.63, 19.2], [31.75, 19.15], [31.82, 19.18], [31.93, 19.43], [31.68, 19.32]]]]}, "2014-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.0, 17.75], [29.53, 17.53], [29.75, 17.0], [29.53, 16.47], [29.0, 16.25], [28.47, 16.47], [28.25, 17.0], [28.47, 17.53], [29.0, 17.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.040666507279866}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.215198310640649}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.65911836767776, 34.91058746770864, 36.048189349708935, 36.378369519662385, 36.462898598388506, 35.11453146808071]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.752640973920904, 36.49415969704279, 38.43076877873506, 39.15817570503782, 38.547582149369305, 35.11453146808071]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9423861114395322, 2.303677710544304, 2.0261320855667053, 2.377796450374394, 2.2478397502243386, 1.7235454923620068]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9642951009469698, 2.6560923165936856, 2.5861323509647036, 3.040666507279866, 2.767626586158997, 1.7235454923620068]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2658615056541995, 1.4587738036241098, 1.4820463176349818, 1.7872330749672456, 1.8092076902299763, 1.4396143974959463]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.310025927968881, 1.6267036354029412, 1.8029616242423887, 2.3895555795600933, 2.4044427109679782, 1.4396143974959463]}}