{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:01.658267", "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": "2010-Jun-11_to_2010-Jun-14_24.5_-20.5"}, "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": 2010060001876}, "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 11 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2010"}, "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": 60835.01236324565}, "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": ["Botswana"]}, "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": -20.5}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\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": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, -19.97], [24.0, -19.75], [24.25, -19.85], [24.5, -19.75], [25.03, -19.97], [25.25, -20.5], [25.03, -21.03], [24.68, -21.18], [24.53, -21.53], [24.0, -21.75], [23.47, -21.53], [23.25, -21.0], [23.35, -20.75], [23.25, -20.5], [23.47, -19.97]]]]}, "2010-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.97, -18.47], [21.5, -18.25], [22.03, -18.47], [22.18, -18.82], [22.25, -18.85], [22.5, -18.75], [22.75, -18.85], [23.0, -18.75], [23.53, -18.97], [23.75, -19.5], [23.65, -19.75], [23.7, -19.87], [24.0, -19.75], [24.25, -19.85], [24.5, -19.75], [24.75, -19.85], [25.0, -19.75], [25.25, -19.85], [25.5, -19.75], [26.03, -19.97], [26.25, -20.5], [26.03, -21.03], [25.68, -21.18], [25.53, -21.53], [25.18, -21.68], [25.03, -22.03], [24.5, -22.25], [24.25, -22.15], [24.0, -22.25], [23.47, -22.03], [23.32, -21.68], [23.25, -21.65], [23.0, -21.75], [22.75, -21.65], [22.5, -21.75], [21.97, -21.53], [21.82, -21.18], [21.47, -21.03], [21.25, -20.5], [21.35, -20.25], [21.32, -20.18], [20.97, -20.03], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47]]]]}, "2010-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.97, -18.47], [21.5, -18.25], [22.03, -18.47], [22.18, -18.82], [22.25, -18.85], [22.5, -18.75], [22.75, -18.85], [23.0, -18.75], [23.53, -18.97], [23.75, -19.5], [23.65, -19.75], [23.7, -19.87], [24.0, -19.75], [24.25, -19.85], [24.5, -19.75], [24.75, -19.85], [25.0, -19.75], [25.25, -19.85], [25.5, -19.75], [26.03, -19.97], [26.25, -20.5], [26.03, -21.03], [25.68, -21.18], [25.53, -21.53], [25.18, -21.68], [25.03, -22.03], [24.5, -22.25], [24.25, -22.15], [24.0, -22.25], [23.47, -22.03], [23.32, -21.68], [23.25, -21.65], [23.0, -21.75], [22.75, -21.65], [22.5, -21.75], [21.97, -21.53], [21.82, -21.18], [21.47, -21.03], [21.25, -20.5], [21.35, -20.25], [21.32, -20.18], [20.97, -20.03], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47]]]]}, "2010-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.97, -18.47], [21.5, -18.25], [22.03, -18.47], [22.18, -18.82], [22.25, -18.85], [22.5, -18.75], [22.75, -18.85], [23.0, -18.75], [23.53, -18.97], [23.75, -19.5], [23.65, -19.75], [23.7, -19.87], [24.0, -19.75], [24.25, -19.85], [24.5, -19.75], [24.75, -19.85], [25.0, -19.75], [25.25, -19.85], [25.5, -19.75], [26.03, -19.97], [26.25, -20.5], [26.03, -21.03], [25.68, -21.18], [25.53, -21.53], [25.18, -21.68], [25.03, -22.03], [24.5, -22.25], [24.25, -22.15], [24.0, -22.25], [23.47, -22.03], [23.32, -21.68], [23.25, -21.65], [23.0, -21.75], [22.75, -21.65], [22.5, -21.75], [21.97, -21.53], [21.82, -21.18], [21.47, -21.03], [21.25, -20.5], [21.35, -20.25], [21.32, -20.18], [20.97, -20.03], [20.75, -19.5], [20.85, -19.25], [20.75, -19.0], [20.97, -18.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.206562029614929}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1395329964063325}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.339250197625745, 19.733203678617542, 19.730977241570713, 19.56162641517375]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.567629141204577, 20.457299224039502, 21.021169974776, 20.267635109815842]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8365558925037817, 3.1961731413214807, 3.225120997006446, 3.040587294305721]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.874502066808418, 3.9240117608368337, 4.206562029614929, 3.5656823476671207]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3150226967340048, 1.535939250709337, 1.5610373364821668, 1.5052652984058261]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3249562831230168, 1.8723562160267688, 1.9073598249050936, 1.833371706801439]}}