{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:54.921427", "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-Mar-15_to_2013-Mar-17_25.5_10.5"}, "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": 2013030001919}, "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": "March 15 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 169805.25425037497}, "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": ["South Sudan", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "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": 10.5}, "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": 25.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.5\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": 29.75}, "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": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 12.03], [23.5, 12.25], [23.75, 12.15], [23.82, 12.18], [23.85, 12.25], [23.75, 12.5], [23.97, 13.03], [24.5, 13.25], [25.0, 13.04], [25.5, 13.25], [25.75, 13.15], [26.0, 13.25], [26.25, 13.15], [26.5, 13.25], [27.03, 13.03], [27.18, 12.68], [27.25, 12.65], [27.5, 12.75], [27.75, 12.65], [27.82, 12.68], [27.97, 13.03], [28.5, 13.25], [28.75, 13.15], [29.0, 13.25], [29.25, 13.15], [29.5, 13.25], [30.03, 13.03], [30.25, 12.5], [30.03, 11.97], [29.5, 11.75], [30.03, 11.53], [30.25, 11.0], [30.03, 10.47], [29.68, 10.32], [29.65, 10.25], [29.75, 10.0], [29.53, 9.47], [29.0, 9.25], [28.75, 9.35], [28.5, 9.25], [28.25, 9.35], [28.0, 9.25], [27.5, 9.46], [27.0, 9.25], [26.47, 9.47], [26.32, 9.82], [26.25, 9.85], [26.18, 9.82], [26.03, 9.47], [25.5, 9.25], [25.25, 9.35], [25.0, 9.25], [24.75, 9.35], [24.5, 9.25], [24.25, 9.35], [24.0, 9.25], [23.47, 9.47], [23.25, 10.0], [23.35, 10.25], [23.32, 10.32], [22.97, 10.47], [22.75, 11.0], [22.85, 11.25], [22.75, 11.5], [22.97, 12.03]], [[29.25, 11.85], [29.13, 11.8], [29.18, 11.68], [29.25, 11.65], [29.5, 11.75], [29.25, 11.85]]]]}, "2013-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 12.03], [23.5, 12.25], [23.75, 12.15], [23.82, 12.18], [23.85, 12.25], [23.75, 12.5], [23.97, 13.03], [24.5, 13.25], [25.0, 13.04], [25.5, 13.25], [25.75, 13.15], [26.0, 13.25], [26.25, 13.15], [26.5, 13.25], [27.03, 13.03], [27.18, 12.68], [27.25, 12.65], [27.5, 12.75], [27.75, 12.65], [27.82, 12.68], [27.97, 13.03], [28.5, 13.25], [28.75, 13.15], [29.0, 13.25], [29.25, 13.15], [29.5, 13.25], [30.03, 13.03], [30.25, 12.5], [30.03, 11.97], [29.5, 11.75], [30.03, 11.53], [30.25, 11.0], [30.03, 10.47], [29.68, 10.32], [29.65, 10.25], [29.75, 10.0], [29.53, 9.47], [29.0, 9.25], [28.75, 9.35], [28.5, 9.25], [28.25, 9.35], [28.0, 9.25], [27.5, 9.46], [27.0, 9.25], [26.47, 9.47], [26.32, 9.82], [26.25, 9.85], [26.18, 9.82], [26.03, 9.47], [25.5, 9.25], [25.25, 9.35], [25.0, 9.25], [24.75, 9.35], [24.5, 9.25], [24.25, 9.35], [24.0, 9.25], [23.47, 9.47], [23.25, 10.0], [23.35, 10.25], [23.32, 10.32], [22.97, 10.47], [22.75, 11.0], [22.85, 11.25], [22.75, 11.5], [22.97, 12.03]], [[29.25, 11.85], [29.13, 11.8], [29.18, 11.68], [29.25, 11.65], [29.5, 11.75], [29.25, 11.85]]]]}, "2013-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 12.03], [23.5, 12.25], [23.75, 12.15], [23.82, 12.18], [23.85, 12.25], [23.75, 12.5], [23.97, 13.03], [24.5, 13.25], [25.0, 13.04], [25.5, 13.25], [25.75, 13.15], [26.0, 13.25], [26.25, 13.15], [26.5, 13.25], [27.03, 13.03], [27.18, 12.68], [27.25, 12.65], [27.5, 12.75], [27.75, 12.65], [27.82, 12.68], [27.97, 13.03], [28.5, 13.25], [28.75, 13.15], [29.0, 13.25], [29.25, 13.15], [29.5, 13.25], [30.03, 13.03], [30.25, 12.5], [30.03, 11.97], [29.5, 11.75], [30.03, 11.53], [30.25, 11.0], [30.03, 10.47], [29.68, 10.32], [29.65, 10.25], [29.75, 10.0], [29.53, 9.47], [29.0, 9.25], [28.75, 9.35], [28.5, 9.25], [28.25, 9.35], [28.0, 9.25], [27.5, 9.46], [27.0, 9.25], [26.47, 9.47], [26.32, 9.82], [26.25, 9.85], [26.18, 9.82], [26.03, 9.47], [25.5, 9.25], [25.25, 9.35], [25.0, 9.25], [24.75, 9.35], [24.5, 9.25], [24.25, 9.35], [24.0, 9.25], [23.47, 9.47], [23.25, 10.0], [23.35, 10.25], [23.32, 10.32], [22.97, 10.47], [22.75, 11.0], [22.85, 11.25], [22.75, 11.5], [22.97, 12.03]], [[29.25, 11.85], [29.13, 11.8], [29.18, 11.68], [29.25, 11.65], [29.5, 11.75], [29.25, 11.85]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.978879637452678}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6270092846150512}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.586067154694376, 34.32747964853297, 33.22858106083697]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.363677917649, 36.335869954127475, 35.11005926735601]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3930184938780203, 4.234965392621596, 3.2530439673455396]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.240618865102647, 4.978879637452678, 4.014940585054717]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.555950964107118, 1.9818402221392193, 1.5403601370394937]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0733445544638447, 2.414689305619939, 1.8978321922733636]}}