{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:37.771931", "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": "2022-Apr-11_to_2022-Apr-15_319.0_-14.5"}, "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": 2022040001703}, "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": "April 11 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 15 2022"}, "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": 53640.7992941815}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -14.5}, "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": 319.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "319.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 318.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 320.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -17.03], [-41.68, -16.68], [-42.03, -16.53], [-42.25, -16.0], [-42.15, -15.75], [-42.25, -15.5], [-42.15, -15.25], [-42.18, -15.18], [-42.53, -15.03], [-42.75, -14.5], [-42.53, -13.97], [-42.0, -13.75], [-41.75, -13.85], [-41.5, -13.75], [-41.25, -13.85], [-41.0, -13.75], [-40.75, -13.85], [-40.5, -13.75], [-39.97, -13.97], [-39.82, -14.32], [-39.47, -14.47], [-39.32, -14.82], [-38.97, -14.97], [-38.75, -15.5], [-38.97, -16.03], [-39.37, -16.2], [-39.25, -16.5], [-39.47, -17.03], [-40.0, -17.25], [-40.25, -17.15], [-40.5, -17.25], [-40.75, -17.15], [-41.0, -17.25], [-41.53, -17.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.52999999999997, -13.97], [-41.0, -13.75], [-40.47000000000003, -13.97], [-40.25, -14.5], [-40.47000000000003, -15.03], [-41.0, -15.25], [-41.52999999999997, -15.03], [-41.75, -14.5], [-41.52999999999997, -13.97]]]]}, "2022-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.25, -16.5], [-40.47000000000003, -17.03], [-41.0, -17.25], [-41.52999999999997, -17.03], [-41.75, -16.5], [-41.52999999999997, -15.97], [-41.0, -15.75], [-40.47000000000003, -15.97], [-40.25, -16.5]]], [[[-42.75, -14.5], [-42.52999999999997, -13.97], [-42.0, -13.75], [-41.75, -13.85], [-41.5, -13.75], [-41.25, -13.85], [-41.0, -13.75], [-40.47000000000003, -13.97], [-40.25, -14.5], [-40.35000000000002, -14.75], [-40.25, -15.0], [-40.47000000000003, -15.53], [-41.0, -15.75], [-41.25, -15.65], [-41.5, -15.75], [-42.02999999999997, -15.53], [-42.18000000000001, -15.18], [-42.52999999999997, -15.03], [-42.75, -14.5]]]]}, "2022-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.52999999999997, -15.03], [-42.75, -14.5], [-42.52999999999997, -13.97], [-42.0, -13.75], [-41.75, -13.85], [-41.5, -13.75], [-41.25, -13.85], [-41.0, -13.75], [-40.75, -13.85], [-40.5, -13.75], [-39.97000000000003, -13.97], [-39.81999999999999, -14.32], [-39.47000000000003, -14.47], [-39.31999999999999, -14.82], [-38.97000000000003, -14.97], [-38.75, -15.5], [-38.97000000000003, -16.03], [-39.370000000000005, -16.2], [-39.25, -16.5], [-39.47000000000003, -17.03], [-40.0, -17.25], [-40.25, -17.15], [-40.5, -17.25], [-40.75, -17.15], [-41.0, -17.25], [-41.52999999999997, -17.03], [-41.68000000000001, -16.68], [-42.02999999999997, -16.53], [-42.25, -16.0], [-42.14999999999998, -15.75], [-42.25, -15.5], [-42.14999999999998, -15.25], [-42.18000000000001, -15.18], [-42.52999999999997, -15.03]]]]}, "2022-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.52999999999997, -15.03], [-42.75, -14.5], [-42.52999999999997, -13.97], [-42.0, -13.75], [-41.75, -13.85], [-41.5, -13.75], [-41.25, -13.85], [-41.0, -13.75], [-40.75, -13.85], [-40.5, -13.75], [-39.97000000000003, -13.97], [-39.81999999999999, -14.32], [-39.47000000000003, -14.47], [-39.31999999999999, -14.82], [-38.97000000000003, -14.97], [-38.75, -15.5], [-38.97000000000003, -16.03], [-39.370000000000005, -16.2], [-39.25, -16.5], [-39.47000000000003, -17.03], [-40.0, -17.25], [-40.25, -17.15], [-40.5, -17.25], [-40.75, -17.15], [-41.0, -17.25], [-41.52999999999997, -17.03], [-41.68000000000001, -16.68], [-42.02999999999997, -16.53], [-42.25, -16.0], [-42.14999999999998, -15.75], [-42.25, -15.5], [-42.14999999999998, -15.25], [-42.18000000000001, -15.18], [-42.52999999999997, -15.03]]]]}, "2022-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.52999999999997, -15.03], [-42.75, -14.5], [-42.52999999999997, -13.97], [-42.0, -13.75], [-41.75, -13.85], [-41.5, -13.75], [-41.25, -13.85], [-41.0, -13.75], [-40.75, -13.85], [-40.5, -13.75], [-39.97000000000003, -13.97], [-39.81999999999999, -14.32], [-39.47000000000003, -14.47], [-39.31999999999999, -14.82], [-38.97000000000003, -14.97], [-38.75, -15.5], [-38.97000000000003, -16.03], [-39.370000000000005, -16.2], [-39.25, -16.5], [-39.47000000000003, -17.03], [-40.0, -17.25], [-40.25, -17.15], [-40.5, -17.25], [-40.75, -17.15], [-41.0, -17.25], [-41.52999999999997, -17.03], [-41.68000000000001, -16.68], [-42.02999999999997, -16.53], [-42.25, -16.0], [-42.14999999999998, -15.75], [-42.25, -15.5], [-42.14999999999998, -15.25], [-42.18000000000001, -15.18], [-42.52999999999997, -15.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1073010542187376}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1116013838116032}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.039241685189552, 26.25473190352966, 25.653844782948568, 25.955210512381086, 26.025666796403016]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.039241685189552, 27.041547108044313, 27.055225950315787, 27.374603863126367, 27.59753825318012]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8454276030196297, 1.9872388278106143, 1.9119086230192484, 2.2115639040547896, 2.2675732419606556]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8454276030196297, 2.254456766944429, 2.3196428652542522, 2.8127940825858673, 3.1073010542187376]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4761196372847372, 1.5265609423786681, 1.5686616879981672, 1.8674176931706745, 1.9135955559546862]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4761196372847372, 1.6718303191290431, 1.8795010423538958, 2.2909935118764144, 2.8650208149435574]}}