{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:34.496747", "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": "2018-Nov-09_to_2018-Nov-14_13.0_-6.5"}, "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": 2018110001703}, "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 09 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 82919.00516115868}, "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": ["Angola", "Congo DRC"]}, "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": ["South Atlantic Ocean"]}, "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": -6.5}, "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": 13.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, -4.97], [13.0, -4.75], [13.25, -4.85], [13.5, -4.75], [13.75, -4.85], [14.0, -4.75], [14.25, -4.85], [14.5, -4.75], [15.03, -4.97], [15.18, -5.32], [15.53, -5.47], [15.75, -6.0], [15.65, -6.25], [15.75, -6.5], [15.53, -7.03], [15.0, -7.25], [14.5, -7.04], [14.0, -7.25], [13.75, -7.15], [13.5, -7.25], [13.25, -7.15], [13.0, -7.25], [12.47, -7.03], [12.25, -6.5], [12.46, -6.0], [12.25, -5.5], [12.47, -4.97]]]]}, "2018-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -6.0], [11.47, -5.47], [11.82, -5.32], [11.97, -4.97], [12.5, -4.75], [12.75, -4.85], [13.0, -4.75], [13.25, -4.85], [13.5, -4.75], [13.75, -4.85], [14.0, -4.75], [14.25, -4.85], [14.5, -4.75], [15.03, -4.97], [15.18, -5.32], [15.53, -5.47], [15.75, -6.0], [15.65, -6.25], [15.75, -6.5], [15.65, -6.75], [15.75, -7.0], [15.53, -7.53], [15.0, -7.75], [14.7, -7.62], [14.53, -8.03], [14.0, -8.25], [13.75, -8.15], [13.5, -8.25], [13.25, -8.15], [13.0, -8.25], [12.75, -8.15], [12.5, -8.25], [11.97, -8.03], [11.75, -7.5], [11.96, -7.0], [11.82, -6.68], [11.47, -6.53], [11.25, -6.0]]]]}, "2018-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -6.0], [11.47, -5.47], [11.82, -5.32], [11.97, -4.97], [12.5, -4.75], [12.75, -4.85], [13.0, -4.75], [13.25, -4.85], [13.5, -4.75], [13.75, -4.85], [14.0, -4.75], [14.25, -4.85], [14.5, -4.75], [15.03, -4.97], [15.18, -5.32], [15.53, -5.47], [15.75, -6.0], [15.65, -6.25], [15.75, -6.5], [15.65, -6.75], [15.75, -7.0], [15.53, -7.53], [15.0, -7.75], [14.7, -7.62], [14.53, -8.03], [14.0, -8.25], [13.75, -8.15], [13.5, -8.25], [13.25, -8.15], [13.0, -8.25], [12.75, -8.15], [12.5, -8.25], [11.97, -8.03], [11.75, -7.5], [11.85, -7.25], [11.75, -7.0], [11.85, -6.75], [11.82, -6.68], [11.47, -6.53], [11.25, -6.0]]]]}, "2018-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -6.0], [11.47, -5.47], [11.82, -5.32], [11.97, -4.97], [12.5, -4.75], [12.75, -4.85], [13.0, -4.75], [13.53, -4.97], [13.68, -5.32], [14.03, -5.47], [14.25, -6.0], [14.15, -6.25], [14.18, -6.32], [14.5, -6.46], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.53, -7.53], [15.0, -7.75], [14.7, -7.62], [14.53, -8.03], [14.0, -8.25], [13.75, -8.15], [13.5, -8.25], [13.25, -8.15], [13.18, -8.18], [13.03, -8.53], [12.5, -8.75], [11.97, -8.53], [11.75, -8.0], [11.85, -7.75], [11.75, -7.5], [11.85, -7.25], [11.75, -7.0], [11.85, -6.75], [11.82, -6.68], [11.47, -6.53], [11.25, -6.0]]]]}, "2018-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -6.0], [11.47, -5.47], [11.82, -5.32], [11.97, -4.97], [12.5, -4.75], [12.75, -4.85], [13.0, -4.75], [13.53, -4.97], [13.68, -5.32], [14.03, -5.47], [14.25, -6.0], [14.15, -6.25], [14.18, -6.32], [14.5, -6.46], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.53, -7.53], [15.0, -7.75], [14.5, -7.54], [14.18, -7.68], [14.03, -8.03], [13.5, -8.25], [13.25, -8.15], [13.18, -8.18], [13.03, -8.53], [12.5, -8.75], [11.97, -8.53], [11.75, -8.0], [11.85, -7.75], [11.75, -7.5], [11.85, -7.25], [11.75, -7.0], 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27.82184416745946, 26.538965581556226]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1883906429537632, 2.264278912690427, 1.3850002249885995, 1.203714482756416, 1.3720318338134898, 0.79772709119095]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4799318016571874, 3.1127235435641865, 2.1119667456438265, 1.7388282902152241, 2.1771176467778446, 0.79772709119095]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4262162648241679, 2.912139726655575, 1.781877597720587, 1.6926008267067865, 1.9456481124537186, 1.2196533374250091]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6571913949811754, 3.774534329331362, 2.41622347188014, 2.3530464012857952, 2.7170565040258206, 1.2196533374250091]}}