{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:10.946511", "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": "2016-Aug-25_to_2016-Aug-29_20.0_22.5"}, "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": 2016080002826}, "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 25 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 29 2016"}, "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": 582883.4601155402}, "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": ["Chad", "Egypt", "Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": 22.5}, "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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.0, 31.75], [26.25, 31.65], [26.5, 31.75], [27.03, 31.53], [27.18, 31.18], [27.25, 31.15], [27.32, 31.18], [27.47, 31.53], [28.0, 31.75], [28.53, 31.53], [28.75, 31.0], [28.65, 30.75], [28.75, 30.5], [28.53, 29.97], [28.18, 29.82], [28.03, 29.47], [27.5, 29.25], [26.97, 29.47], [26.82, 29.82], [26.75, 29.85], [26.5, 29.75], [26.25, 29.85], [26.0, 29.75], [25.75, 29.85], [25.5, 29.75], [24.97, 29.97], [24.75, 30.5], [24.97, 31.03], [25.32, 31.18], [25.47, 31.53], [26.0, 31.75]]]]}, "2016-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 25.25], [17.75, 25.15], [17.82, 25.18], [17.97, 25.53], [18.32, 25.68], [18.47, 26.03], [19.0, 26.25], [19.25, 26.15], [19.32, 26.18], [19.47, 26.53], [19.82, 26.68], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [20.82, 27.68], [20.97, 28.03], [21.32, 28.18], [21.47, 28.53], [22.0, 28.75], [22.25, 28.65], [22.5, 28.75], [22.75, 28.65], [23.0, 28.75], [23.25, 28.65], [23.5, 28.75], [23.75, 28.65], [24.0, 28.75], [24.53, 28.53], [24.68, 28.18], [24.75, 28.15], [25.0, 28.25], [25.25, 28.15], [25.32, 28.18], [25.35, 28.25], [25.25, 28.5], [25.47, 29.03], [25.82, 29.18], [25.85, 29.25], [25.75, 29.5], [25.85, 29.75], [25.82, 29.82], [25.75, 29.85], [25.5, 29.75], [24.97, 29.97], [24.75, 30.5], [24.97, 31.03], [25.32, 31.18], [25.47, 31.53], [26.0, 31.75], [26.25, 31.65], [26.5, 31.75], [27.03, 31.53], [27.18, 31.18], [27.25, 31.15], [27.32, 31.18], [27.47, 31.53], [28.0, 31.75], [28.53, 31.53], [28.75, 31.0], [28.65, 30.75], [28.75, 30.5], [28.54, 30.0], [28.68, 29.68], [29.03, 29.53], [29.25, 29.0], [29.03, 28.47], [28.68, 28.32], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.68, 27.82], [27.53, 27.47], [27.0, 27.25], [26.75, 27.35], [26.68, 27.32], [26.65, 27.25], [26.75, 27.0], [26.53, 26.47], [26.0, 26.25], [25.75, 26.35], [25.68, 26.32], [25.53, 25.97], [25.18, 25.82], [25.03, 25.47], [24.5, 25.25], [24.25, 25.35], [24.18, 25.32], [24.03, 24.97], [23.68, 24.82], [23.53, 24.47], [23.0, 24.25], [23.25, 24.15], [23.5, 24.25], [23.75, 24.15], [24.0, 24.25], [24.53, 24.03], [24.75, 23.5], [24.65, 23.25], [24.68, 23.18], [25.03, 23.03], [25.25, 22.5], [25.03, 21.97], [24.68, 21.82], [24.65, 21.75], [24.75, 21.5], [24.53, 20.97], [24.0, 20.75], [23.75, 20.85], [23.5, 20.75], [22.97, 20.97], [22.75, 21.5], [22.88, 21.8], [22.75, 21.85], [22.5, 21.75], [22.25, 21.85], [22.0, 21.75], [21.75, 21.85], [21.5, 21.75], [21.25, 21.85], [21.18, 21.82], [21.03, 21.47], [20.68, 21.32], [20.53, 20.97], [20.0, 20.75], [19.47, 20.97], [19.32, 21.32], [18.97, 21.47], [18.75, 22.0], [18.85, 22.25], [18.82, 22.32], [18.47, 22.47], [18.25, 23.0], [18.35, 23.25], [18.32, 23.32], [18.25, 23.35], [18.0, 23.25], [17.75, 23.35], [17.5, 23.25], [17.25, 23.35], [17.0, 23.25], [16.47, 23.47], [16.25, 24.0], [16.47, 24.53], [16.82, 24.68], [16.97, 25.03], [17.5, 25.25]], [[22.75, 24.35], [22.68, 24.32], [22.65, 24.25], [22.68, 24.18], [22.75, 24.15], [23.0, 24.25], [22.75, 24.35]]]]}, "2016-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 25.25], [17.75, 25.15], [17.82, 25.18], [17.97, 25.53], [18.32, 25.68], [18.47, 26.03], [19.0, 26.25], [19.25, 26.15], [19.32, 26.18], [19.47, 26.53], [19.82, 26.68], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [20.82, 27.68], [20.97, 28.03], [21.32, 28.18], [21.47, 28.53], [22.0, 28.75], [22.25, 28.65], [22.5, 28.75], [22.75, 28.65], [23.0, 28.75], [23.25, 28.65], [23.5, 28.75], [23.75, 28.65], [24.0, 28.75], [24.53, 28.53], [24.68, 28.18], [24.75, 28.15], [25.0, 28.25], [25.25, 28.15], [25.32, 28.18], [25.35, 28.25], [25.25, 28.5], [25.47, 29.03], [25.82, 29.18], [25.85, 29.25], [25.75, 29.5], [25.85, 29.75], [25.82, 29.82], [25.75, 29.85], [25.5, 29.75], [24.97, 29.97], [24.75, 30.5], [24.97, 31.03], [25.32, 31.18], [25.47, 31.53], [26.0, 31.75], [26.25, 31.65], [26.5, 31.75], [27.03, 31.53], [27.18, 31.18], [27.25, 31.15], [27.32, 31.18], [27.47, 31.53], [28.0, 31.75], [28.53, 31.53], [28.75, 31.0], [28.65, 30.75], [28.75, 30.5], [28.54, 30.0], [28.68, 29.68], [29.03, 29.53], [29.25, 29.0], [29.03, 28.47], [28.68, 28.32], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.68, 27.82], [27.54, 27.5], [27.68, 27.18], [28.03, 27.03], [28.18, 26.68], [28.25, 26.65], [28.5, 26.75], [29.03, 26.53], [29.25, 26.0], [29.03, 25.47], [28.5, 25.25], [28.25, 25.35], [28.18, 25.32], [28.15, 25.25], [28.25, 25.0], [28.03, 24.47], [27.5, 24.25], [27.25, 24.35], [27.0, 24.25], [26.75, 24.35], [26.5, 24.25], [26.25, 24.35], [26.0, 24.25], [25.75, 24.35], [25.68, 24.32], [25.53, 23.97], [25.18, 23.82], [25.15, 23.75], [25.18, 23.68], [25.53, 23.53], [25.75, 23.0], [25.53, 22.47], [25.18, 22.32], [25.03, 21.97], [24.68, 21.82], [24.65, 21.75], [24.75, 21.5], [24.53, 20.97], [24.0, 20.75], [23.75, 20.85], [23.5, 20.75], [22.97, 20.97], [22.82, 21.32], [22.47, 21.47], [22.32, 21.82], [22.25, 21.85], [22.18, 21.82], [22.03, 21.47], [21.63, 21.3], [21.75, 21.0], [21.53, 20.47], [21.18, 20.32], [21.03, 19.97], [20.5, 19.75], [20.25, 19.85], [20.0, 19.75], [19.47, 19.97], [19.32, 20.32], [18.97, 20.47], [18.75, 21.0], [18.85, 21.25], [18.75, 21.5], [18.85, 21.75], [18.75, 22.0], [18.85, 22.25], [18.82, 22.32], [18.47, 22.47], [18.25, 23.0], [18.35, 23.25], [18.32, 23.32], [18.25, 23.35], [18.0, 23.25], [17.75, 23.35], [17.5, 23.25], [17.25, 23.35], [17.0, 23.25], [16.47, 23.47], [16.25, 24.0], [16.47, 24.53], [16.82, 24.68], [16.97, 25.03], [17.5, 25.25]]]]}, "2016-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 25.25], [17.75, 25.15], [17.82, 25.18], [17.97, 25.53], [18.32, 25.68], [18.47, 26.03], [19.0, 26.25], [19.25, 26.15], [19.32, 26.18], [19.47, 26.53], [19.82, 26.68], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [20.82, 27.68], [20.97, 28.03], [21.32, 28.18], [21.47, 28.53], [22.0, 28.75], [22.25, 28.65], [22.5, 28.75], [22.75, 28.65], [23.0, 28.75], [23.25, 28.65], [23.5, 28.75], [23.75, 28.65], [24.0, 28.75], [24.53, 28.53], [24.68, 28.18], [24.75, 28.15], [25.0, 28.25], [25.25, 28.15], [25.32, 28.18], [25.35, 28.25], [25.25, 28.5], [25.47, 29.03], [25.82, 29.18], [25.85, 29.25], [25.75, 29.5], [25.85, 29.75], [25.75, 30.0], [25.97, 30.53], [26.5, 30.75], [26.75, 30.65], [27.0, 30.75], [27.53, 30.53], [27.68, 30.18], [27.75, 30.15], [28.0, 30.25], [28.53, 30.03], [28.68, 29.68], [29.03, 29.53], [29.25, 29.0], [29.03, 28.47], [28.68, 28.32], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.68, 27.82], [27.54, 27.5], [27.68, 27.18], [28.03, 27.03], [28.18, 26.68], [28.25, 26.65], [28.5, 26.75], [29.03, 26.53], [29.25, 26.0], [29.03, 25.47], [28.5, 25.25], [28.25, 25.35], [28.18, 25.32], [28.15, 25.25], [28.25, 25.0], [28.03, 24.47], [27.5, 24.25], [27.25, 24.35], [27.0, 24.25], [26.75, 24.35], [26.5, 24.25], [26.25, 24.35], [26.0, 24.25], [25.75, 24.35], [25.68, 24.32], [25.53, 23.97], [25.18, 23.82], [25.15, 23.75], [25.18, 23.68], [25.53, 23.53], [25.75, 23.0], [25.53, 22.47], [25.18, 22.32], [25.03, 21.97], [24.68, 21.82], [24.65, 21.75], [24.75, 21.5], [24.53, 20.97], [24.0, 20.75], [23.75, 20.85], [23.5, 20.75], [22.97, 20.97], [22.82, 21.32], [22.47, 21.47], [22.32, 21.82], [22.25, 21.85], [22.18, 21.82], [22.03, 21.47], [21.63, 21.3], [21.75, 21.0], [21.53, 20.47], [21.18, 20.32], [21.03, 19.97], [20.5, 19.75], [20.25, 19.85], [20.0, 19.75], [19.47, 19.97], [19.32, 20.32], [18.97, 20.47], [18.75, 21.0], [18.85, 21.25], [18.75, 21.5], [18.85, 21.75], [18.75, 22.0], [18.85, 22.25], [18.82, 22.32], [18.47, 22.47], [18.25, 23.0], [18.35, 23.25], [18.32, 23.32], [18.25, 23.35], [18.0, 23.25], [17.75, 23.35], [17.5, 23.25], [17.25, 23.35], [17.0, 23.25], [16.47, 23.47], [16.25, 24.0], [16.47, 24.53], [16.82, 24.68], [16.97, 25.03], [17.5, 25.25]]]]}, "2016-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 22.03], [19.32, 22.18], [19.35, 22.25], [19.25, 22.5], [19.47, 23.03], [19.82, 23.18], [19.97, 23.53], [20.5, 23.75], [21.03, 23.53], [21.2, 23.13], [21.32, 23.18], [21.47, 23.53], [21.82, 23.68], [21.97, 24.03], [22.32, 24.18], [22.47, 24.53], [22.82, 24.68], [22.85, 24.75], [22.75, 25.0], [22.97, 25.53], [23.32, 25.68], [23.47, 26.03], [23.88, 26.2], [23.75, 26.5], [23.97, 27.03], [24.5, 27.25], [24.75, 27.15], [24.82, 27.18], [24.97, 27.53], [25.5, 27.75], [25.75, 27.65], [26.0, 27.75], [26.25, 27.65], [26.5, 27.75], [26.75, 27.65], [27.0, 27.75], [27.53, 27.53], [27.68, 27.18], [28.03, 27.03], [28.18, 26.68], [28.25, 26.65], [28.5, 26.75], [29.03, 26.53], [29.25, 26.0], [29.03, 25.47], [28.5, 25.25], [28.25, 25.35], [28.18, 25.32], [28.15, 25.25], [28.25, 25.0], [28.03, 24.47], [27.5, 24.25], [27.25, 24.35], [27.0, 24.25], [26.75, 24.35], [26.5, 24.25], [26.25, 24.35], [26.0, 24.25], [25.75, 24.35], [25.68, 24.32], [25.53, 23.97], [25.18, 23.82], [25.15, 23.75], [25.18, 23.68], [25.53, 23.53], [25.75, 23.0], [25.53, 22.47], [25.18, 22.32], [25.03, 21.97], [24.68, 21.82], [24.65, 21.75], [24.75, 21.5], [24.53, 20.97], [24.0, 20.75], [23.75, 20.85], [23.5, 20.75], [22.97, 20.97], [22.82, 21.32], [22.47, 21.47], [22.32, 21.82], [22.25, 21.85], [22.18, 21.82], [22.03, 21.47], [21.63, 21.3], [21.75, 21.0], [21.53, 20.47], [21.18, 20.32], [21.03, 19.97], [20.5, 19.75], [20.25, 19.85], [20.0, 19.75], [19.47, 19.97], [19.32, 20.32], [18.97, 20.47], [18.75, 21.0], [18.85, 21.25], [18.75, 21.5], [18.97, 22.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.780171790812119}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.145776918959528}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.418303413711897, 32.926846595835286, 33.13489563715166, 33.79299539890542, 32.645981499929405]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.053264947013986, 34.800812033087084, 34.92189855037657, 35.7755303749837, 34.05669641489368]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0004806995193976, 2.877847274276384, 3.101950340219957, 3.69023269020672, 2.5786539960379273]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5184979626022823, 4.554409779308855, 5.780171790812119, 5.397594535810072, 3.336576325158944]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7887039067702974, 1.8134180125019947, 2.0253872470065537, 2.4423828223510995, 1.7213725450059723]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.322807494835047, 2.6262284256187693, 3.174084858769541, 3.3603683314330133, 2.143351891158591]}}