{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:24.873573", "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": "2026-Feb-04_to_2026-Feb-07_296.5_-19.5"}, "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": 2026020001232}, "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": "February 04 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2026"}, "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": 91787.17849930367}, "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": ["Argentina", "Bolivia, Plurinational State of", "Paraguay"]}, "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": []}, "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": -19.5}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -22.5], [-65.15, -22.25], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.54, -21.0], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.53, -19.47], [-64.18, -19.32], [-64.15, -19.25], [-64.25, -19.0], [-64.03, -18.47], [-63.5, -18.25], [-62.97, -18.47], [-62.75, -19.0], [-62.85, -19.25], [-62.75, -19.5], [-62.85, -19.75], [-62.82, -19.82], [-62.75, -19.85], [-62.5, -19.75], [-61.97, -19.97], [-61.75, -20.5], [-61.85, -20.75], [-61.75, -21.0], [-61.85, -21.25], [-61.75, -21.5], [-61.85, -21.75], [-61.75, -22.0], [-61.97, -22.53], [-62.32, -22.68], [-62.47, -23.03], [-62.82, -23.18], [-62.85, -23.25], [-62.75, -23.5], [-62.97, -24.03], [-63.32, -24.18], [-63.47, -24.53], [-64.0, -24.75], [-64.25, -24.65], [-64.5, -24.75], [-64.75, -24.65], [-65.0, -24.75], [-65.53, -24.53], [-65.75, -24.0], [-65.53, -23.47], [-65.18, -23.32], [-65.15, -23.25], [-65.25, -23.0], [-65.15, -22.75], [-65.25, -22.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.14999999999998, -23.25], [-65.25, -23.0], [-65.14999999999998, -22.75], [-65.25, -22.5], [-65.14999999999998, -22.25], [-65.25, -22.0], [-65.02999999999997, -21.47], [-64.68, -21.32], [-64.54000000000002, -21.0], [-64.75, -20.5], [-64.64999999999998, -20.25], [-64.75, -20.0], [-64.52999999999997, -19.47], [-64.18, -19.32], [-64.14999999999998, -19.25], [-64.25, -19.0], [-64.02999999999997, -18.47], [-63.5, -18.25], [-62.97000000000003, -18.47], [-62.75, -19.0], [-62.85000000000002, -19.25], [-62.75, -19.5], [-62.85000000000002, -19.75], [-62.81999999999999, -19.82], [-62.75, -19.85], [-62.5, -19.75], [-61.97000000000003, -19.97], [-61.75, -20.5], [-61.85000000000002, -20.75], [-61.75, -21.0], [-61.85000000000002, -21.25], [-61.75, -21.5], [-61.85000000000002, -21.75], [-61.75, -22.0], [-61.97000000000003, -22.53], [-62.31999999999999, -22.68], [-62.47000000000003, -23.03], [-62.81999999999999, -23.18], [-62.85000000000002, -23.25], [-62.75, -23.5], [-62.97000000000003, -24.03], [-63.31999999999999, -24.18], [-63.47000000000003, -24.53], [-64.0, -24.75], [-64.25, -24.65], [-64.5, -24.75], [-64.75, -24.65], [-65.0, -24.75], [-65.52999999999997, -24.53], [-65.75, -24.0], [-65.52999999999997, -23.47], [-65.18, -23.32], [-65.14999999999998, -23.25]]]]}, "2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.14999999999998, -23.25], [-65.25, -23.0], [-65.14999999999998, -22.75], [-65.25, -22.5], [-65.14999999999998, -22.25], [-65.25, -22.0], [-65.02999999999997, -21.47], [-64.68, -21.32], [-64.54000000000002, -21.0], [-64.75, -20.5], [-64.64999999999998, -20.25], [-64.75, -20.0], [-64.52999999999997, -19.47], [-64.18, -19.32], [-64.14999999999998, -19.25], [-64.25, -19.0], [-64.02999999999997, -18.47], [-63.5, -18.25], [-62.97000000000003, 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"description": "The daily evolution of maximum t2m.", "value": [33.531194305419945, 34.33581695556643, 34.005506134033226, 25.235739644368493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.4069430729453334, 4.1620743958759245, 4.397996975762105, 2.0408153152015416]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.966776018284804, 6.119229236452497, 5.590809275980064, 2.0408153152015416]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3602747002321467, 1.6288669306775334, 1.7426482857775927, 1.138961052483978]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7070929613316606, 2.2911859444326224, 2.422091959323154, 1.138961052483978]}}