{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:01:48.361526", "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-17_to_2014-Nov-20_358.5_13.5"}, "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": 2014110002136}, "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 17 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 20 2014"}, "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": 62959.50842938827}, "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": ["Burkina Faso", "Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-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": 13.5}, "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": 358.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.03, 12.97], [-2.25, 13.5], [-2.03, 14.03], [-1.5, 14.25], [-0.97, 14.03], [-0.75, 13.5], [-0.97, 12.97], [-1.5, 12.75], [-2.03, 12.97]]], [[[-3.0, 16.25], [-2.47, 16.03], [-2.25, 15.5], [-2.35, 15.25], [-2.25, 15.0], [-2.47, 14.47], [-3.0, 14.25], [-3.53, 14.47], [-3.75, 15.0], [-3.65, 15.25], [-3.75, 15.5], [-3.53, 16.03], [-3.0, 16.25]]]]}, "2014-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.0, 16.25], [-2.47, 16.03], [-2.32, 15.68], [-1.97, 15.53], [-1.82, 15.18], [-1.75, 15.15], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.75, 15.15], [-0.5, 15.25], [-0.25, 15.15], [0.0, 15.25], [0.53, 15.03], [0.75, 14.5], [0.65, 14.25], [0.75, 14.0], [0.53, 13.47], [0.18, 13.32], [0.03, 12.97], [-0.5, 12.75], [-0.75, 12.85], [-1.0, 12.75], [-1.25, 12.85], [-1.5, 12.75], [-1.75, 12.85], [-1.82, 12.82], [-1.97, 12.47], [-2.32, 12.32], [-2.47, 11.97], [-3.0, 11.75], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.68, 13.68], [-2.65, 13.75], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-2.75, 14.35], [-3.0, 14.25], [-3.25, 14.35], [-3.5, 14.25], [-4.03, 14.47], [-4.25, 15.0], [-4.03, 15.53], [-3.68, 15.68], [-3.53, 16.03], [-3.0, 16.25]]]]}, "2014-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.0, 16.25], [-2.47, 16.03], [-2.32, 15.68], [-1.97, 15.53], [-1.82, 15.18], [-1.75, 15.15], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.75, 15.15], [-0.5, 15.25], [-0.25, 15.15], [0.0, 15.25], [0.53, 15.03], [0.75, 14.5], [0.65, 14.25], [0.75, 14.0], [0.53, 13.47], [0.18, 13.32], [0.03, 12.97], [-0.5, 12.75], [-0.75, 12.85], [-1.0, 12.75], [-1.25, 12.85], [-1.5, 12.75], [-1.75, 12.85], [-1.82, 12.82], [-1.97, 12.47], [-2.32, 12.32], [-2.47, 11.97], [-3.0, 11.75], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.68, 13.68], [-2.65, 13.75], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-2.75, 14.35], [-3.0, 14.25], [-3.25, 14.35], [-3.5, 14.25], [-4.03, 14.47], [-4.25, 15.0], [-4.03, 15.53], [-3.68, 15.68], [-3.53, 16.03], [-3.0, 16.25]]]]}, "2014-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.0, 16.25], [-2.47, 16.03], [-2.32, 15.68], [-1.97, 15.53], [-1.82, 15.18], [-1.75, 15.15], [-1.5, 15.25], [-1.25, 15.15], [-1.0, 15.25], [-0.75, 15.15], [-0.5, 15.25], [-0.25, 15.15], [0.0, 15.25], [0.53, 15.03], [0.75, 14.5], [0.65, 14.25], [0.75, 14.0], [0.53, 13.47], [0.18, 13.32], [0.03, 12.97], [-0.5, 12.75], [-0.75, 12.85], [-1.0, 12.75], [-1.25, 12.85], [-1.5, 12.75], [-1.75, 12.85], [-1.82, 12.82], [-1.97, 12.47], [-2.32, 12.32], [-2.47, 11.97], [-3.0, 11.75], [-3.53, 11.97], [-3.75, 12.5], [-3.65, 12.75], [-3.75, 13.0], [-3.53, 13.53], [-3.0, 13.75], [-2.75, 13.65], [-2.68, 13.68], [-2.65, 13.75], [-2.75, 14.0], [-2.65, 14.25], [-2.68, 14.32], [-2.75, 14.35], [-3.0, 14.25], [-3.25, 14.35], [-3.5, 14.25], [-4.03, 14.47], [-4.25, 15.0], [-4.03, 15.53], [-3.68, 15.68], [-3.53, 16.03], [-3.0, 16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2449691336425417}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4213634799082144}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.429503825414088, 29.721364878323527, 30.15673798842579, 29.772762290438834]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.756406080975864, 30.97199470396197, 31.28361697648262, 30.70231790020705]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.202220854327076, 2.146781250688618, 2.695247395305379, 2.45336788309938]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6665630453937865, 2.8198155558678764, 3.2449691336425417, 2.974774181521468]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.392552015662245, 1.4281162959619995, 1.7849023106611281, 1.6077438644669102]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5305719042389547, 1.6959144756026534, 1.9950732255054304, 1.8598695566192676]}}