{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:42.859796", "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": "2012-Oct-19_to_2012-Oct-21_7.5_31.0"}, "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": 2012100002398}, "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": "October 19 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2012"}, "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": 69226.9414290335}, "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": ["Algeria", "Libya", "Tunisia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": 31.0}, "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": 7.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 6.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 10.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.47, 30.03], [6.82, 30.18], [6.85, 30.25], [6.75, 30.5], [6.85, 30.75], [6.75, 31.0], [6.97, 31.53], [7.32, 31.68], [7.47, 32.03], [8.0, 32.25], [8.25, 32.15], [8.5, 32.25], [8.75, 32.15], [9.0, 32.25], [9.25, 32.15], [9.5, 32.25], [9.75, 32.15], [10.0, 32.25], [10.25, 32.15], [10.5, 32.25], [11.03, 32.03], [11.25, 31.5], [11.03, 30.97], [10.68, 30.82], [10.53, 30.47], [10.18, 30.32], [10.03, 29.97], [9.5, 29.75], [9.25, 29.85], [9.18, 29.82], [9.15, 29.75], [9.25, 29.5], [9.03, 28.97], [8.5, 28.75], [8.25, 28.85], [8.18, 28.82], [8.03, 28.47], [7.5, 28.25], [7.25, 28.35], [7.0, 28.25], [6.47, 28.47], [6.25, 29.0], [6.35, 29.25], [6.25, 29.5], [6.47, 30.03]]]]}, "2012-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.47, 30.03], [6.82, 30.18], [6.85, 30.25], [6.75, 30.5], [6.85, 30.75], [6.75, 31.0], [6.97, 31.53], [7.32, 31.68], [7.47, 32.03], [8.0, 32.25], [8.25, 32.15], [8.5, 32.25], [8.75, 32.15], [9.0, 32.25], [9.25, 32.15], [9.5, 32.25], [9.75, 32.15], [10.0, 32.25], [10.25, 32.15], [10.5, 32.25], [11.03, 32.03], [11.25, 31.5], [11.03, 30.97], [10.68, 30.82], [10.53, 30.47], [10.18, 30.32], [10.03, 29.97], [9.5, 29.75], [9.25, 29.85], [9.18, 29.82], [9.15, 29.75], [9.25, 29.5], [9.03, 28.97], [8.5, 28.75], [8.25, 28.85], [8.18, 28.82], [8.03, 28.47], [7.5, 28.25], [7.25, 28.35], [7.0, 28.25], [6.47, 28.47], [6.25, 29.0], [6.35, 29.25], [6.25, 29.5], [6.47, 30.03]]]]}, "2012-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.47, 30.03], [6.82, 30.18], [6.85, 30.25], [6.75, 30.5], [6.85, 30.75], [6.75, 31.0], [6.97, 31.53], [7.32, 31.68], [7.47, 32.03], [8.0, 32.25], [8.25, 32.15], [8.5, 32.25], [8.75, 32.15], [9.0, 32.25], [9.25, 32.15], [9.5, 32.25], [9.75, 32.15], [10.0, 32.25], [10.25, 32.15], [10.5, 32.25], [11.03, 32.03], [11.25, 31.5], [11.03, 30.97], [10.68, 30.82], [10.53, 30.47], [10.18, 30.32], [10.03, 29.97], [9.5, 29.75], [9.25, 29.85], [9.18, 29.82], [9.15, 29.75], [9.25, 29.5], [9.03, 28.97], [8.5, 28.75], [8.25, 28.85], [8.18, 28.82], [8.03, 28.47], [7.5, 28.25], [7.25, 28.35], [7.0, 28.25], [6.47, 28.47], [6.25, 29.0], [6.35, 29.25], [6.25, 29.5], [6.47, 30.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.13323703704242}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.139857129472539}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.655678163960317, 29.039010264956573, 28.470551000942407]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.24474574061361, 29.95640579032778, 29.670401758626667]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.869530805573441, 5.436080108663967, 5.113960474180208]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.82720103928699, 5.900808819050553, 6.13323703704242]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.445161520666945, 1.6283930932734003, 1.5487775687176006]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.668449332301326, 1.829912182159973, 1.8898458645942227]}}