{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:08.592200", "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-15_to_2016-Aug-18_24.0_15.0"}, "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": 2016080002128}, "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 15 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2016"}, "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": 56713.50505491902}, "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", "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": 15.0}, "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": 24.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 14.47], [22.75, 15.0], [22.97, 15.53], [23.5, 15.75], [23.75, 15.65], [24.0, 15.75], [24.25, 15.65], [24.5, 15.75], [25.03, 15.53], [25.25, 15.0], [25.03, 14.47], [24.5, 14.25], [24.25, 14.35], [24.0, 14.25], [23.75, 14.35], [23.5, 14.25], [22.97, 14.47]]]]}, "2016-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 16.53], [23.0, 16.75], [23.53, 16.53], [23.68, 16.18], [23.75, 16.15], [24.0, 16.25], [24.25, 16.15], [24.5, 16.25], [24.75, 16.15], [25.0, 16.25], [25.25, 16.15], [25.5, 16.25], [26.03, 16.03], [26.18, 15.68], [26.53, 15.53], [26.75, 15.0], [26.65, 14.75], [26.75, 14.5], [26.53, 13.97], [26.0, 13.75], [25.75, 13.85], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.75, 13.85], [24.5, 13.75], [24.25, 13.85], [24.0, 13.75], [23.75, 13.85], [23.5, 13.75], [22.97, 13.97], [22.75, 14.5], [22.85, 14.75], [22.82, 14.82], [22.47, 14.97], [22.25, 15.5], [22.35, 15.75], [22.25, 16.0], [22.47, 16.53]]]]}, "2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 16.53], [23.0, 16.75], [23.53, 16.53], [23.68, 16.18], [23.75, 16.15], [24.0, 16.25], [24.25, 16.15], [24.5, 16.25], [24.75, 16.15], [25.0, 16.25], [25.25, 16.15], [25.5, 16.25], [26.03, 16.03], [26.18, 15.68], [26.53, 15.53], [26.75, 15.0], [26.65, 14.75], [26.75, 14.5], [26.53, 13.97], [26.0, 13.75], [25.75, 13.85], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.75, 13.85], [24.5, 13.75], [24.25, 13.85], [24.0, 13.75], [23.75, 13.85], [23.5, 13.75], [22.97, 13.97], [22.75, 14.5], [22.85, 14.75], [22.82, 14.82], [22.47, 14.97], [22.25, 15.5], [22.35, 15.75], [22.25, 16.0], [22.47, 16.53]]]]}, "2016-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 16.53], [23.0, 16.75], [23.53, 16.53], [23.68, 16.18], [23.75, 16.15], [24.0, 16.25], [24.25, 16.15], [24.5, 16.25], [24.75, 16.15], [25.0, 16.25], [25.25, 16.15], [25.5, 16.25], [26.03, 16.03], [26.18, 15.68], [26.53, 15.53], [26.75, 15.0], [26.65, 14.75], [26.75, 14.5], [26.53, 13.97], [26.0, 13.75], [25.75, 13.85], [25.5, 13.75], [25.25, 13.85], [25.0, 13.75], [24.75, 13.85], [24.5, 13.75], [24.25, 13.85], [24.0, 13.75], [23.75, 13.85], [23.5, 13.75], [22.97, 13.97], [22.75, 14.5], [22.85, 14.75], [22.82, 14.82], [22.47, 14.97], [22.25, 15.5], [22.35, 15.75], [22.25, 16.0], [22.47, 16.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.313931057769082}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1182920190426366}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.621650013542137, 29.437402038703453, 29.322616604456698, 29.136751570356637]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.773804958183007, 31.576471719677897, 31.1640383465878, 30.488460750456795]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7953980265765495, 3.296255106380048, 3.1712937655501636, 2.9383104471660286]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1602387096684765, 4.313931057769082, 3.885813770124514, 3.5466258592726376]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6901686045463489, 2.005048110577608, 1.8496280546937292, 1.6626154050727464]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9237111806057123, 2.5168951824458294, 2.2500437528673665, 2.000753054319792]}}