{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:37.300280", "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": "2015-Mar-22_to_2015-Mar-25_11.5_-3.0"}, "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": 2015030002192}, "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 22 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 25 2015"}, "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": 80275.18355997512}, "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": ["Congo", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -3.0}, "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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 10.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.5, -3.25], [12.03, -3.47], [12.25, -4.0], [12.03, -4.53], [11.5, -4.75], [10.97, -4.53], [10.75, -4.0], [10.97, -3.47], [11.5, -3.25]]]]}, "2015-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, -2.25], [9.75, -2.0], [9.85, -1.75], [9.75, -1.5], [9.97, -0.97], [10.5, -0.75], [10.75, -0.85], [11.0, -0.75], [11.25, -0.85], [11.32, -0.82], [11.47, -0.47], [12.0, -0.25], [12.53, -0.47], [12.75, -1.0], [12.63, -1.3], [13.03, -1.47], [13.25, -2.0], [13.15, -2.25], [13.25, -2.5], [13.15, -2.75], [13.18, -2.82], [13.53, -2.97], [13.75, -3.5], [13.53, -4.03], [13.18, -4.18], [13.03, -4.53], [12.5, -4.75], [12.0, -4.54], [11.5, -4.75], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.75, -3.0], [9.85, -2.75], [9.75, -2.5], [9.85, -2.25]]]]}, "2015-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, -2.25], [9.75, -2.0], [9.85, -1.75], [9.75, -1.5], [9.97, -0.97], [10.5, -0.75], [10.75, -0.85], [11.0, -0.75], [11.25, -0.85], [11.32, -0.82], [11.47, -0.47], [12.0, -0.25], [12.53, -0.47], [12.75, -1.0], [12.63, -1.3], [13.03, -1.47], [13.25, -2.0], [13.15, -2.25], [13.25, -2.5], [13.15, -2.75], [13.18, -2.82], [13.53, -2.97], [13.75, -3.5], [13.53, -4.03], [13.18, -4.18], [13.03, -4.53], [12.5, -4.75], [12.0, -4.54], [11.5, -4.75], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.75, -3.0], [9.85, -2.75], [9.75, -2.5], [9.85, -2.25]]]]}, "2015-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, -2.25], [9.75, -2.0], [9.85, -1.75], [9.75, -1.5], [9.97, -0.97], [10.5, -0.75], [10.75, -0.85], [11.0, -0.75], [11.25, -0.85], [11.32, -0.82], [11.47, -0.47], [12.0, -0.25], [12.53, -0.47], [12.75, -1.0], [12.63, -1.3], [13.03, -1.47], [13.25, -2.0], [13.15, -2.25], [13.25, -2.5], [13.15, -2.75], [13.18, -2.82], [13.53, -2.97], [13.75, -3.5], [13.53, -4.03], [13.18, -4.18], [13.03, -4.53], [12.5, -4.75], [11.97, -4.53], [11.82, -4.18], [11.75, -4.15], [11.5, -4.25], [11.25, -4.15], [11.0, -4.25], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.75, -3.0], [9.85, -2.75], [9.75, -2.5], [9.85, -2.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3355067791702595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6399594711378536}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.608663022621784, 27.40428345096734, 26.971238348395843, 26.773695105023762]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.608663022621784, 28.79821604308904, 28.125834045502188, 28.174463336952726]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9721628909256879, 1.982412836364058, 1.5531994141934915, 1.4007502937332241]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9721628909256879, 2.3355067791702595, 1.9545098104002818, 1.8204532180432125]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2657378158143353, 2.413480046975094, 1.8296479818009248, 1.6270779224988285]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2657378158143353, 2.8518938189004097, 2.3801047863040172, 2.1107656200880167]}}