{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:00.649708", "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": "2019-Jun-25_to_2019-Jun-29_357.0_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": 2019060002867}, "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": "June 25 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 2019"}, "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": 89287.42982023794}, "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": ["Algeria", "Mali", "Mauritania"]}, "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": 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": 357.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 18.47], [-9.25, 19.0], [-9.03, 19.53], [-8.5, 19.75], 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18.25], [-8.25, 18.35], [-8.5, 18.25], [-9.03, 18.47]]]]}, "2019-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 18.47], [-9.25, 19.0], [-9.03, 19.53], [-8.5, 19.75], [-8.25, 19.65], [-8.18, 19.68], [-8.15, 19.75], [-8.25, 20.0], [-8.03, 20.53], [-7.5, 20.75], [-7.25, 20.65], [-7.18, 20.68], [-7.03, 21.03], [-6.68, 21.18], [-6.53, 21.53], [-6.0, 21.75], [-5.75, 21.65], [-5.5, 21.75], [-5.25, 21.65], [-5.18, 21.68], [-5.03, 22.03], [-4.68, 22.18], [-4.53, 22.53], [-4.18, 22.68], [-4.03, 23.03], [-3.5, 23.25], [-3.25, 23.15], [-3.18, 23.18], [-3.03, 23.53], [-2.68, 23.68], [-2.53, 24.03], [-2.18, 24.18], [-2.03, 24.53], [-1.5, 24.75], [-0.97, 24.53], [-0.75, 24.0], [-0.96, 23.5], [-0.75, 23.0], [-0.97, 22.47], [-1.32, 22.32], [-1.47, 21.97], [-1.82, 21.82], [-1.97, 21.47], [-2.5, 21.25], [-3.0, 21.46], [-3.32, 21.32], [-3.35, 21.25], [-3.25, 21.0], [-3.47, 20.47], [-4.0, 20.25], [-4.25, 20.35], [-4.32, 20.32], [-4.47, 19.97], [-5.0, 19.75], [-5.25, 19.85], 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"2019-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.5, 23.25], [-3.25, 23.15], [-3.0, 23.25], [-2.57, 23.07], [-2.75, 23.5], [-2.53, 24.03], [-2.0, 24.25], [-1.47, 24.03], [-1.25, 23.5], [-1.47, 22.97], [-2.0, 22.75], [-2.43, 22.93], [-2.25, 22.5], [-2.47, 21.97], [-3.0, 21.75], [-3.25, 21.85], [-3.32, 21.82], [-3.47, 21.47], [-4.0, 21.25], [-4.53, 21.47], [-4.75, 22.0], [-4.53, 22.53], [-4.18, 22.68], [-4.03, 23.03], [-3.5, 23.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4899307343757755}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2523285220440443}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.25388061126404, 38.90477573962977, 38.03741978324206, 38.920219980802585, 39.077936454860776]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.620585096253706, 40.27173024847076, 39.604972892629576, 39.86539773606188, 39.30128231468569]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2751664431756544, 2.836267227294625, 1.9190354852653162, 1.7058725601701497, 1.5046800875848447]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2174095322750986, 3.4899307343757755, 2.4529750612215366, 1.9697953491157136, 1.7757106379370384]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5282610513787078, 2.04368543933932, 1.4614802294201115, 1.2879364314074668, 1.17163667462411]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.097174968177466, 2.562026661624753, 1.8252991145105844, 1.5347811239367106, 1.280009138988787]}}