{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:05.541404", "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": "2012-Dec-10_to_2012-Dec-14_319.5_-12.5"}, "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": 2012120001843}, "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": "December 10 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 14 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 57420.03949481346}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -12.5}, "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": 319.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "319.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 318.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 321.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.68, -11.82], [-40.53, -11.47], [-40.0, -11.25], [-39.47, -11.47], [-39.32, -11.82], [-39.25, -11.85], [-39.0, -11.75], [-38.75, -11.85], [-38.5, -11.75], [-37.97, -11.97], [-37.75, -12.5], [-37.97, -13.03], [-38.32, -13.18], [-38.47, -13.53], [-39.0, -13.75], [-39.5, -13.54], [-40.0, -13.75], [-40.25, -13.65], [-40.5, -13.75], [-40.75, -13.65], [-41.0, -13.75], [-41.53, -13.53], [-41.75, -13.0], [-41.53, -12.47], [-41.18, -12.32], [-41.03, -11.97], [-40.68, -11.82]]]]}, "2012-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -11.97], [-41.18, -11.82], [-41.15, -11.75], [-41.25, -11.5], [-41.15, -11.25], [-41.25, -11.0], [-41.03, -10.47], [-40.5, -10.25], [-40.25, -10.35], [-40.0, -10.25], [-39.75, -10.35], [-39.5, -10.25], [-39.25, -10.35], [-39.0, -10.25], [-38.47, -10.47], [-38.25, -11.0], [-38.47, -11.53], [-39.0, -11.75], [-38.75, -11.85], [-38.5, -11.75], [-37.97, -11.97], [-37.75, -12.5], [-37.97, -13.03], [-38.32, -13.18], [-38.47, -13.53], [-39.0, -13.75], [-39.5, -13.54], [-40.0, -13.75], [-40.25, -13.65], [-40.5, -13.75], [-40.75, -13.65], [-41.0, -13.75], [-41.53, -13.53], [-41.75, -13.0], [-41.65, -12.75], [-41.75, -12.5], [-41.53, -11.97]], [[-39.25, -11.65], [-39.32, -11.68], [-39.35, -11.75], [-39.32, -11.82], [-39.25, -11.85], [-39.0, -11.75], [-39.25, -11.65]]]]}, "2012-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.65, -12.25], [-41.75, -12.0], [-41.53, -11.47], [-41.18, -11.32], [-41.15, -11.25], [-41.25, -11.0], [-41.03, -10.47], [-40.5, -10.25], [-40.25, -10.35], [-40.0, -10.25], [-39.75, -10.35], [-39.5, -10.25], [-39.25, -10.35], [-39.0, -10.25], [-38.47, -10.47], [-38.25, -11.0], [-38.47, -11.53], [-39.0, -11.75], [-38.75, -11.85], [-38.5, -11.75], [-37.97, -11.97], [-37.75, -12.5], [-37.97, -13.03], [-38.32, -13.18], [-38.47, -13.53], [-39.0, -13.75], [-39.5, -13.54], [-40.0, -13.75], [-40.25, -13.65], [-40.5, -13.75], [-40.75, -13.65], [-41.0, -13.75], [-41.53, -13.53], [-41.75, -13.0], [-41.65, -12.75], [-41.75, -12.5], [-41.65, -12.25]], [[-39.25, -11.65], [-39.32, -11.68], [-39.35, -11.75], [-39.32, -11.82], [-39.25, -11.85], [-39.0, -11.75], [-39.25, -11.65]]]]}, "2012-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -11.47], [-41.18, -11.32], [-41.15, -11.25], [-41.25, -11.0], [-41.03, -10.47], [-40.5, -10.25], [-40.25, -10.35], [-40.0, -10.25], [-39.75, -10.35], [-39.5, -10.25], [-39.25, -10.35], [-39.0, -10.25], [-38.47, -10.47], [-38.25, -11.0], [-38.47, -11.53], [-39.0, -11.75], [-38.47, -11.97], [-38.25, -12.5], [-38.47, -13.03], [-39.0, -13.25], [-39.5, -13.04], [-40.0, -13.25], [-40.25, -13.15], [-40.5, -13.25], [-40.75, -13.15], [-41.0, -13.25], [-41.53, -13.03], [-41.75, -12.5], [-41.65, -12.25], [-41.75, -12.0], [-41.53, -11.47]], [[-39.25, -11.65], [-39.32, -11.68], [-39.35, -11.75], [-39.3, -11.88], [-39.0, -11.75], [-39.25, -11.65]]]]}, "2012-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -11.47], [-41.0, -11.25], [-40.75, -11.35], [-40.5, -11.25], [-39.97, -11.47], [-39.75, -12.0], [-39.85, -12.25], [-39.75, -12.5], [-39.97, -13.03], [-40.5, -13.25], [-40.75, -13.15], [-41.0, -13.25], [-41.53, -13.03], [-41.75, -12.5], [-41.65, -12.25], [-41.75, -12.0], [-41.53, -11.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0813779862756405}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9281171986284074}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.69119795921688, 27.941347337195225, 28.05576704782237, 27.547229927396927, 26.338346660850675]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.89097239605246, 29.32623920609967, 29.731119069850877, 28.830408068607255, 27.158217906689345]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.572708343825815, 1.9843345333499751, 2.2322244063164325, 1.741031235191328, 1.727181474040222]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.888582894370927, 2.684033500773296, 3.0813779862756405, 2.227941858642339, 1.9473690867953337]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3865703645149041, 1.690639270363713, 1.8670631653121041, 1.40646524507499, 1.495173070476012]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4986974196957323, 2.0176441648829755, 2.3644186341701, 1.6749031442146325, 1.671583567509881]}}