{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:56.023516", "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-Oct-08_to_2010-Oct-11_3.0_16.5"}, "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": 2010100001763}, "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": "October 08 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 11 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": 71141.90815218042}, "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": ["Mali", "Niger"]}, "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": 16.5}, "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": 3.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "3.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 0.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 4.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 16.97], [1.25, 17.5], [1.47, 18.03], [2.0, 18.25], [2.53, 18.03], [2.7, 17.63], [3.0, 17.75], [3.53, 17.53], [3.68, 17.18], [3.75, 17.15], [4.0, 17.25], [4.53, 17.03], [4.75, 16.5], [4.65, 16.25], [4.75, 16.0], [4.53, 15.47], [4.0, 15.25], [3.5, 15.46], [3.0, 15.25], [2.47, 15.47], [2.25, 16.0], [2.35, 16.25], [2.25, 16.5], [2.35, 16.75], [2.3, 16.88], [2.0, 16.75], [1.47, 16.97]]]]}, "2010-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.35, 17.25], [0.25, 17.5], [0.47, 18.03], [1.0, 18.25], [1.25, 18.15], [1.5, 18.25], [1.75, 18.15], [2.0, 18.25], [2.53, 18.03], [2.68, 17.68], [2.75, 17.65], [3.0, 17.75], [3.53, 17.53], [3.68, 17.18], [3.75, 17.15], [4.0, 17.25], [4.53, 17.03], [4.75, 16.5], [4.65, 16.25], [4.75, 16.0], [4.65, 15.75], [4.75, 15.5], [4.53, 14.97], [4.0, 14.75], [3.75, 14.85], [3.5, 14.75], [3.25, 14.85], [3.0, 14.75], [2.75, 14.85], [2.5, 14.75], [1.97, 14.97], [1.82, 15.32], [1.47, 15.47], [1.32, 15.82], [1.25, 15.85], [1.0, 15.75], [0.47, 15.97], [0.25, 16.5], [0.35, 16.75], [0.25, 17.0], [0.35, 17.25]]]]}, "2010-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.35, 17.25], [0.25, 17.5], [0.47, 18.03], [1.0, 18.25], [1.25, 18.15], [1.5, 18.25], [1.75, 18.15], [2.0, 18.25], [2.53, 18.03], [2.68, 17.68], [2.75, 17.65], [3.0, 17.75], [3.53, 17.53], [3.68, 17.18], [3.75, 17.15], [4.0, 17.25], [4.53, 17.03], [4.75, 16.5], [4.65, 16.25], [4.75, 16.0], [4.65, 15.75], [4.75, 15.5], [4.53, 14.97], [4.0, 14.75], [3.75, 14.85], [3.5, 14.75], [3.25, 14.85], [3.0, 14.75], [2.75, 14.85], [2.5, 14.75], [1.97, 14.97], [1.82, 15.32], [1.47, 15.47], [1.32, 15.82], [1.25, 15.85], [1.0, 15.75], [0.47, 15.97], [0.25, 16.5], [0.35, 16.75], [0.25, 17.0], [0.35, 17.25]]]]}, "2010-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.35, 17.25], [0.25, 17.5], [0.47, 18.03], [1.0, 18.25], [1.25, 18.15], [1.5, 18.25], [1.75, 18.15], [2.0, 18.25], [2.53, 18.03], [2.68, 17.68], [2.75, 17.65], [3.0, 17.75], [3.53, 17.53], [3.68, 17.18], [3.75, 17.15], [4.0, 17.25], [4.53, 17.03], [4.75, 16.5], [4.65, 16.25], [4.75, 16.0], [4.65, 15.75], [4.75, 15.5], [4.53, 14.97], [4.0, 14.75], [3.75, 14.85], [3.5, 14.75], [3.25, 14.85], [3.0, 14.75], [2.75, 14.85], [2.5, 14.75], [1.97, 14.97], [1.82, 15.32], [1.47, 15.47], [1.32, 15.82], [1.25, 15.85], [1.0, 15.75], [0.47, 15.97], [0.25, 16.5], [0.35, 16.75], [0.25, 17.0], [0.35, 17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3277863406405572}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8127783263253172}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.106072763110035, 34.59274739911626, 34.70759644333759, 34.397472631223934]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.5679079125494, 35.34973143141195, 35.395154276698065, 34.913251937235884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5374342337670766, 1.821595206268147, 1.9720453028379907, 1.7250031635326337]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6729951114076584, 2.3277863406405572, 2.29708110668804, 2.1382846041961443]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.388554156175624, 1.6029638894115565, 1.7529461371620407, 1.5514118552692777]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5037799106564886, 2.116903507447069, 2.086334537671674, 1.8948273139020735]}}