{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:44.587931", "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-Jul-01_to_2022-Jul-07_307.5_3.5"}, "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": 2022070001446}, "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": "July 01 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 07 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 64714.069860985575}, "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", "French Guiana", "Suriname"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": ["Atlantic Ocean"]}, "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": 3.5}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-52.0, 2.75], [-52.25, 2.85], [-52.5, 2.75], [-52.75, 2.85], [-53.0, 2.75], [-53.25, 2.85], [-53.5, 2.75], [-54.03, 2.97], [-54.25, 3.5], [-54.15, 3.75], [-54.18, 3.82], [-54.53, 3.97], [-54.68, 4.32], [-55.03, 4.47], [-55.25, 5.0], [-55.15, 5.25], [-55.25, 5.5], [-55.03, 6.03], [-54.5, 6.25], [-54.25, 6.15], [-54.0, 6.25], [-53.75, 6.15], [-53.5, 6.25], [-52.97, 6.03], [-52.82, 5.68], [-52.75, 5.65], [-52.5, 5.75], [-51.97, 5.53], [-51.75, 5.0], [-51.85, 4.75], [-51.82, 4.68], [-51.47, 4.53], [-51.32, 4.18], [-50.97, 4.03], [-50.75, 3.5], [-50.97, 2.97], [-51.5, 2.75], [-51.75, 2.85], [-52.0, 2.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.02999999999997, 2.97], [-54.25, 3.5], [-54.02999999999997, 4.03], [-53.5, 4.25], [-53.25, 4.15], [-53.0, 4.25], [-52.75, 4.15], [-52.68000000000001, 4.18], 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26.086511326375444, 26.389468302393425, 26.376187099847755, 25.944385130805586, 26.388239916307043, 26.291969488865732]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.726823939571602, 26.512530253961074, 27.003060630154607, 26.819010657154934, 26.133432594284898, 26.54689810920047, 26.314005348989838]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8251340679239718, 0.8265624387261764, 1.1310873715851866, 1.0934275264474476, 0.8664583944360856, 1.2327480812224394, 1.1376838992087244]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.132004214771655, 1.0466691244366757, 1.5610865994207188, 1.3158745030855812, 0.9966770819273734, 1.3707682361050502, 1.1813644851658296]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.542600351012482, 1.5499991574891003, 2.029162706999332, 1.9232153220744574, 1.4241932977173568, 1.9486083489661388, 1.7556513721913325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.108382197919506, 1.7934182748612204, 2.836904747202928, 2.2220888732743096, 1.5971014279791034, 2.1166651228695534, 1.8726793592432538]}}