{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:06.673587", "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-Jun-24_to_2018-Jun-27_25.0_-16.5"}, "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": 2018060002892}, "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": "June 24 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 27 2018"}, "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": 124477.0533964276}, "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", "Botswana", "Namibia", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-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": -16.5}, "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": 25.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.47, -17.03], [24.25, -16.5], [24.47, -15.97], [25.0, 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-17.53], [26.0, -17.75], [25.75, -17.65], [25.68, -17.68], [25.65, -17.75], [25.75, -18.0], [25.53, -18.53], [25.0, -18.75], [24.75, -18.65], [24.68, -18.68], [24.53, -19.03], [24.0, -19.25], [23.75, -19.15], [23.5, -19.25], [22.97, -19.03], [22.75, -18.5], [22.85, -18.25], [22.82, -18.18], [22.75, -18.15], [22.5, -18.25], [21.97, -18.03], [21.75, -17.5], [21.85, -17.25], [21.82, -17.18], [21.47, -17.03], [21.32, -16.68], [20.97, -16.53], [20.75, -16.0], [20.85, -15.75], [20.75, -15.5], [20.85, -15.25]], [[23.65, -16.75], [23.7, -16.87], [23.82, -16.82], [23.85, -16.75], [23.75, -16.5], [23.65, -16.75]]]]}, "2018-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.85, -15.25], [20.75, -15.0], [20.97, -14.47], [21.5, -14.25], [21.75, -14.35], [22.0, -14.25], [22.25, -14.35], [22.32, -14.32], [22.35, -14.25], [22.25, -14.0], [22.35, -13.75], [22.25, -13.5], [22.47, -12.97], [23.0, -12.75], [23.53, -12.97], [23.75, -13.5], [23.65, -13.75], [23.75, -14.0], [23.65, 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21.244068530921993, 21.268186082820023]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0053237546416653, 2.450045280739121, 2.4673432116707184, 2.279299311844377]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0148597309880643, 3.145850987939525, 2.947942468349993, 2.7785956255493716]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.453557983509052, 1.6962242677466652, 1.604559339574395, 1.3842527576305093]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4821591690497018, 2.1945945100391477, 1.9680485774903587, 1.6727589244449244]}}