{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:28.576159", "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": "2013-May-25_to_2013-May-28_26.5_14.5"}, "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": 2013050002634}, "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": "May 25 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 28 2013"}, "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": 98596.48906507897}, "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", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "N.Eastern-Africa", "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": 14.5}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.53, 15.53], [28.75, 15.0], [28.65, 14.75], [28.75, 14.5], [28.53, 13.97], [28.0, 13.75], [27.5, 13.96], [27.0, 13.75], [26.75, 13.85], [26.5, 13.75], [25.97, 13.97], [25.75, 14.5], [25.97, 15.03], [26.32, 15.18], [26.47, 15.53], [27.0, 15.75]]]]}, "2013-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 16.0], [22.97, 16.53], [23.5, 16.75], [23.75, 16.65], [23.82, 16.68], [23.97, 17.03], [24.5, 17.25], [24.75, 17.15], [25.0, 17.25], [25.53, 17.03], [25.75, 16.5], [25.63, 16.2], [26.03, 16.03], [26.18, 15.68], [26.25, 15.65], [26.5, 15.75], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.53, 15.53], [28.75, 15.0], [28.65, 14.75], [28.75, 14.5], [28.53, 13.97], [28.0, 13.75], [27.75, 13.85], [27.68, 13.82], [27.53, 13.47], [27.18, 13.32], [27.03, 12.97], [26.5, 12.75], [26.25, 12.85], [26.0, 12.75], [25.75, 12.85], [25.5, 12.75], [24.97, 12.97], [24.82, 13.32], [24.47, 13.47], [24.32, 13.82], [23.97, 13.97], [23.75, 14.5], [23.85, 14.75], [23.82, 14.82], [23.47, 14.97], [23.32, 15.32], [22.97, 15.47], [22.75, 16.0]]]]}, "2013-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 16.0], [22.97, 16.53], [23.5, 16.75], [23.75, 16.65], [23.82, 16.68], [23.97, 17.03], [24.5, 17.25], [24.75, 17.15], [25.0, 17.25], [25.53, 17.03], [25.75, 16.5], [25.63, 16.2], [26.03, 16.03], [26.18, 15.68], [26.25, 15.65], [26.5, 15.75], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.53, 15.53], [28.75, 15.0], [28.65, 14.75], [28.75, 14.5], [28.53, 13.97], [28.0, 13.75], [27.75, 13.85], [27.68, 13.82], [27.53, 13.47], [27.18, 13.32], [27.03, 12.97], [26.5, 12.75], [26.25, 12.85], [26.0, 12.75], [25.75, 12.85], [25.5, 12.75], [24.97, 12.97], [24.82, 13.32], [24.47, 13.47], [24.32, 13.82], [23.97, 13.97], [23.75, 14.5], [23.85, 14.75], [23.82, 14.82], [23.47, 14.97], [23.32, 15.32], [22.97, 15.47], [22.75, 16.0]]]]}, "2013-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 16.0], [22.97, 16.53], [23.5, 16.75], [23.75, 16.65], [23.82, 16.68], [23.97, 17.03], [24.5, 17.25], [24.75, 17.15], [25.0, 17.25], [25.53, 17.03], [25.75, 16.5], [25.63, 16.2], [26.03, 16.03], [26.18, 15.68], [26.25, 15.65], [26.5, 15.75], [26.75, 15.65], [27.0, 15.75], [27.25, 15.65], [27.5, 15.75], [27.75, 15.65], [28.0, 15.75], [28.53, 15.53], [28.75, 15.0], [28.65, 14.75], [28.75, 14.5], [28.53, 13.97], [28.0, 13.75], [27.75, 13.85], [27.68, 13.82], [27.53, 13.47], [27.18, 13.32], [27.03, 12.97], [26.5, 12.75], [26.25, 12.85], [26.0, 12.75], [25.75, 12.85], [25.5, 12.75], [24.97, 12.97], [24.82, 13.32], [24.47, 13.47], [24.32, 13.82], [23.97, 13.97], [23.75, 14.5], [23.85, 14.75], [23.82, 14.82], [23.47, 14.97], [23.32, 15.32], [22.97, 15.47], [22.75, 16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9364619878816143}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.184186945711373}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.14087095219048, 32.6766230323521, 32.71603928811612, 32.46083838201662]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.940207524214486, 33.883095057026026, 33.75141909100847, 34.27090457380933]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9275567232549047, 2.2311346477454777, 2.285065044329675, 2.083021185505598]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0712413881329894, 2.8924527803217757, 2.9364619878816143, 2.747881049805528]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.357405928199482, 1.5508961220898176, 1.591764037166004, 1.452466356607261]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4112166799499983, 2.020409643542702, 1.9699899085922468, 1.8092790811434216]}}