{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:01:49.472371", "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-Nov-24_to_2014-Nov-29_41.0_11.0"}, "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": 2014110002461}, "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": "November 24 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 29 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": 51549.20895622197}, "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": ["Djibouti", "Ethiopia", "Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "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": 11.0}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.25, 11.0], [40.47, 11.53], [41.0, 11.75], [41.53, 11.53], [41.75, 11.0], [41.63, 10.7], [42.03, 10.53], [42.25, 10.0], [42.03, 9.47], [41.5, 9.25], [40.97, 9.47], [40.75, 10.0], [40.88, 10.3], [40.47, 10.47], [40.25, 11.0]]]]}, "2014-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 12.03], [41.0, 12.25], [41.53, 12.03], [41.75, 11.5], [41.65, 11.25], [41.75, 11.0], [41.63, 10.7], [42.03, 10.53], [42.25, 10.0], [42.03, 9.47], [41.5, 9.25], [40.97, 9.47], [40.75, 10.0], [40.88, 10.3], [40.47, 10.47], [40.25, 11.0], [40.35, 11.25], [40.25, 11.5], [40.47, 12.03]]]]}, "2014-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 12.03], [41.0, 12.25], [41.25, 12.15], [41.32, 12.18], [41.47, 12.53], [42.0, 12.75], [42.25, 12.65], [42.5, 12.75], [42.75, 12.65], [43.0, 12.75], [43.53, 12.53], [43.75, 12.0], [43.53, 11.47], [43.0, 11.25], [42.75, 11.35], [42.68, 11.32], [42.53, 10.97], [42.18, 10.82], [42.04, 10.5], [42.25, 10.0], [42.03, 9.47], [41.5, 9.25], [40.97, 9.47], [40.75, 10.0], [40.88, 10.3], [40.47, 10.47], [40.25, 11.0], [40.35, 11.25], [40.25, 11.5], [40.47, 12.03]]]]}, "2014-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 12.03], [41.0, 12.25], [41.25, 12.15], [41.32, 12.18], [41.47, 12.53], [42.0, 12.75], [42.25, 12.65], [42.5, 12.75], [42.75, 12.65], [43.0, 12.75], [43.53, 12.53], [43.75, 12.0], [43.65, 11.75], [43.75, 11.5], [43.65, 11.25], [43.75, 11.0], [43.53, 10.47], [43.18, 10.32], [43.03, 9.97], [42.5, 9.75], [42.25, 9.85], [42.0, 9.75], [41.75, 9.85], [41.5, 9.75], [40.97, 9.97], [40.82, 10.32], [40.47, 10.47], [40.25, 11.0], [40.35, 11.25], [40.25, 11.5], [40.47, 12.03]]]]}, "2014-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 12.03], [41.0, 12.25], [41.25, 12.15], [41.32, 12.18], [41.47, 12.53], [42.0, 12.75], [42.25, 12.65], [42.5, 12.75], [42.75, 12.65], [43.0, 12.75], [43.53, 12.53], [43.75, 12.0], [43.65, 11.75], [43.75, 11.5], [43.65, 11.25], [43.75, 11.0], [43.53, 10.47], [43.18, 10.32], [43.03, 9.97], [42.5, 9.75], [42.25, 9.85], [42.0, 9.75], [41.75, 9.85], [41.5, 9.75], [40.97, 9.97], [40.82, 10.32], [40.47, 10.47], [40.25, 11.0], [40.35, 11.25], [40.25, 11.5], [40.47, 12.03]]]]}, "2014-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 12.03], [41.0, 12.25], [41.25, 12.15], [41.32, 12.18], [41.47, 12.53], [42.0, 12.75], [42.25, 12.65], [42.5, 12.75], [43.03, 12.53], [43.18, 12.18], [43.53, 12.03], [43.75, 11.5], [43.65, 11.25], [43.75, 11.0], [43.53, 10.47], [43.18, 10.32], [43.03, 9.97], [42.5, 9.75], [42.25, 9.85], [42.0, 9.75], [41.75, 9.85], [41.5, 9.75], [40.97, 9.97], [40.82, 10.32], [40.47, 10.47], [40.25, 11.0], [40.35, 11.25], [40.25, 11.5], [40.47, 12.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.666350885932445}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7860575700343337}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.803771089394218, 27.94666446840398, 27.097405280989904, 26.614972979849313, 26.647916453035293, 26.429894185264743]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.236601082541995, 28.444476952102946, 28.415683335035396, 28.779274574946385, 28.64743683826231, 28.199124689595862]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8384190976398713, 1.743700691842643, 1.6252017043012568, 1.8237436202269421, 1.9449979421344175, 1.6743260776529079]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.028583828587898, 1.9570992509425196, 1.829386738671019, 2.666350885932445, 2.5904845616566945, 2.0746518689363143]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6608931397422233, 1.5675669537661403, 1.6724373589105486, 2.023902642121628, 2.1260544399627843, 1.7647883006199634]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7753377044616272, 1.676075187845528, 1.951427740999707, 2.9313986962213696, 2.793844557657035, 2.036475940373981]}}