{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:34.743020", "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": "2017-Mar-25_to_2017-Mar-28_18.5_-5.0"}, "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": 2017030002277}, "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 25 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2017"}, "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": 92503.8724445927}, "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 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": []}, "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": -5.0}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.97, -4.03], [16.75, -3.5], [16.97, -2.97], [17.5, -2.75], [17.75, -2.85], [17.82, -2.82], [17.85, -2.75], [17.75, -2.5], [17.85, -2.25], [17.75, -2.0], [17.97, -1.47], [18.5, -1.25], [18.75, -1.35], [19.0, -1.25], [19.53, -1.47], [19.75, -2.0], [19.53, -2.53], [19.18, -2.68], [19.15, -2.75], [19.25, -3.0], [19.07, -3.43], [19.5, -3.25], [20.03, -3.47], [20.2, -3.87], [20.32, -3.82], [20.47, -3.47], [20.82, -3.32], [20.97, -2.97], [21.5, -2.75], [22.03, -2.97], [22.18, -3.32], [22.25, -3.35], [22.32, -3.32], [22.35, -3.25], [22.25, -3.0], [22.47, -2.47], [23.0, -2.25], [23.53, -2.47], [23.75, -3.0], [23.65, -3.25], [23.75, -3.5], [23.53, -4.03], [23.18, -4.18], [23.03, -4.53], [22.5, -4.75], [22.25, -4.65], [22.0, -4.75], [21.75, -4.65], [21.5, -4.75], [21.25, -4.65], [21.18, -4.68], [21.03, -5.03], [20.68, -5.18], [20.53, -5.53], [20.0, -5.75], [19.75, -5.65], [19.68, -5.68], [19.53, -6.03], [19.0, -6.25], [18.47, -6.03], [18.32, -5.68], [17.97, -5.53], [17.75, -5.0], [17.85, -4.75], [17.75, -4.5], [17.88, -4.2], [17.75, -4.15], [17.5, -4.25], [16.97, -4.03]], [[18.93, -3.57], [18.68, -3.68], [18.63, -3.8], [18.75, -3.85], [18.82, -3.82], [18.93, -3.57]]]]}, "2017-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.75, -3.5], [16.97, -2.97], [17.5, -2.75], [17.75, -2.85], [17.82, -2.82], [17.85, -2.75], [17.75, -2.5], [17.85, -2.25], [17.75, -2.0], [17.97, -1.47], [18.5, -1.25], [18.75, -1.35], [19.0, -1.25], [19.53, -1.47], [19.75, -2.0], [19.53, -2.53], [19.18, -2.68], [19.15, -2.75], [19.18, -2.82], [19.53, -2.97], [19.68, -3.32], [20.03, -3.47], [20.18, -3.82], [20.25, -3.85], [20.32, -3.82], [20.47, -3.47], [20.82, -3.32], [20.97, -2.97], [21.5, -2.75], [22.03, -2.97], [22.18, -3.32], [22.25, -3.35], [22.32, -3.32], [22.35, -3.25], [22.25, -3.0], [22.47, -2.47], [23.0, -2.25], [23.53, -2.47], [23.75, -3.0], [23.65, -3.25], [23.75, -3.5], [23.53, -4.03], [23.18, -4.18], [23.03, -4.53], [22.5, -4.75], [22.25, -4.65], [22.0, -4.75], [21.75, -4.65], [21.68, -4.68], [21.53, -5.03], [21.0, -5.25], [20.75, -5.15], [20.68, -5.18], [20.53, -5.53], [20.0, -5.75], [19.75, -5.65], [19.68, -5.68], [19.53, -6.03], [19.0, -6.25], [18.47, -6.03], [18.32, -5.68], [17.97, -5.53], [17.75, -5.0], [17.85, -4.75], [17.82, -4.68], [17.47, -4.53], [17.32, -4.18], [16.97, -4.03], [16.75, -3.5]]]]}, "2017-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.75, -3.5], [16.97, -2.97], [17.5, -2.75], [17.75, -2.85], [17.82, -2.82], [17.85, -2.75], [17.75, -2.5], [17.85, -2.25], [17.75, -2.0], [17.97, -1.47], [18.5, -1.25], [18.75, -1.35], [19.0, -1.25], [19.53, -1.47], [19.75, -2.0], [19.53, -2.53], [19.18, -2.68], [19.15, -2.75], [19.18, -2.82], [19.53, -2.97], [19.68, -3.32], [20.03, -3.47], [20.18, -3.82], [20.25, -3.85], [20.32, -3.82], [20.47, -3.47], [20.82, -3.32], [20.97, -2.97], [21.5, -2.75], [22.03, -2.97], [22.18, -3.32], [22.25, -3.35], [22.32, -3.32], [22.35, -3.25], [22.25, -3.0], [22.47, -2.47], [23.0, -2.25], [23.53, -2.47], [23.75, -3.0], [23.65, -3.25], [23.75, -3.5], [23.53, -4.03], [23.18, -4.18], [23.03, -4.53], [22.5, -4.75], [22.25, -4.65], [22.0, -4.75], [21.75, -4.65], [21.68, -4.68], [21.53, -5.03], [21.0, -5.25], [20.75, -5.15], [20.68, -5.18], [20.53, -5.53], [20.0, -5.75], [19.75, -5.65], [19.68, -5.68], [19.53, -6.03], [19.0, -6.25], [18.47, -6.03], [18.32, -5.68], [17.97, -5.53], [17.75, -5.0], [17.85, -4.75], [17.82, -4.68], [17.47, -4.53], [17.32, -4.18], [16.97, -4.03], [16.75, -3.5]]]]}, "2017-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.75, -3.5], [16.97, -2.97], [17.5, -2.75], [17.75, -2.85], [17.82, -2.82], [17.97, -2.47], [18.5, -2.25], [19.03, -2.47], [19.18, -2.82], [19.53, -2.97], [19.68, -3.32], [20.03, -3.47], [20.18, -3.82], [20.5, -3.96], [21.0, -3.75], [21.53, -3.97], [21.75, -4.5], [21.53, -5.03], [21.0, -5.25], [20.7, -5.12], [20.53, -5.53], [20.0, -5.75], [19.7, -5.62], [19.53, -6.03], [19.0, -6.25], [18.47, -6.03], [18.32, -5.68], [17.97, -5.53], [17.75, -5.0], [17.85, -4.75], [17.82, -4.68], [17.47, -4.53], [17.32, -4.18], [16.97, -4.03], [16.75, -3.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3301113599269456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.964829554098988}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.01939729235562, 27.645960177317534, 27.67736436870274, 27.586184958261413]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.91417192806017, 30.12300943759385, 29.168780561020583, 29.147378675931066]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.581417125291479, 2.1488654475054223, 2.1308205501700663, 1.8500665957345335]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1456347124906188, 3.3301113599269456, 3.071113008209636, 2.269113565612031]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4689567827322947, 2.003310727221565, 2.0151721008735177, 1.6835075916964017]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.656591467892064, 2.575923545069661, 2.7738730574430206, 2.0225541895393855]}}