{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:28.069111", "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-10_to_2026-Feb-12_303.5_-29.5"}, "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": 2026020001607}, "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 10 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 12 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 56200.15948191414}, "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", "Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -29.5}, "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": 303.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "303.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-57.18, -28.82], [-57.03, -28.47], [-56.5, -28.25], [-55.97, -28.47], [-55.82, -28.82], [-55.75, -28.85], [-55.5, -28.75], [-55.25, -28.85], [-55.0, -28.75], [-54.75, -28.85], [-54.5, -28.75], [-53.97, -28.97], [-53.82, -29.32], [-53.47, -29.47], [-53.25, -30.0], [-53.35, -30.25], [-53.25, -30.5], [-53.35, -30.75], [-53.25, -31.0], [-53.47, -31.53], [-54.0, -31.75], [-54.25, -31.65], [-54.5, -31.75], [-55.03, -31.53], [-55.18, -31.18], [-55.25, -31.15], [-55.5, -31.25], [-55.75, -31.15], [-56.0, -31.25], [-56.53, -31.03], [-56.68, -30.68], [-56.75, -30.65], [-57.0, -30.75], [-57.53, -30.53], [-57.75, -30.0], [-57.65, -29.75], [-57.75, -29.5], [-57.53, -28.97], [-57.18, -28.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.75, -29.5], [-57.52999999999997, -28.97], [-57.18000000000001, -28.82], [-57.02999999999997, -28.47], [-56.5, -28.25], [-55.97000000000003, -28.47], [-55.81999999999999, -28.82], [-55.75, -28.85], [-55.5, -28.75], [-55.25, -28.85], [-55.0, -28.75], [-54.75, -28.85], [-54.5, -28.75], [-53.97000000000003, -28.97], [-53.81999999999999, -29.32], [-53.47000000000003, -29.47], [-53.25, -30.0], [-53.35000000000002, -30.25], [-53.25, -30.5], [-53.35000000000002, -30.75], [-53.25, -31.0], [-53.47000000000003, -31.53], [-54.0, -31.75], [-54.25, -31.65], [-54.5, -31.75], [-55.02999999999997, -31.53], [-55.18000000000001, -31.18], [-55.25, -31.15], [-55.5, -31.25], [-55.75, -31.15], [-56.0, -31.25], [-56.52999999999997, -31.03], [-56.68000000000001, -30.68], [-56.75, -30.65], [-57.0, -30.75], [-57.52999999999997, -30.53], [-57.75, -30.0], [-57.64999999999998, -29.75], [-57.75, -29.5]]]]}, "2026-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.75, -29.5], [-57.52999999999997, -28.97], [-57.18000000000001, -28.82], [-57.02999999999997, -28.47], [-56.5, -28.25], [-55.97000000000003, -28.47], [-55.81999999999999, -28.82], [-55.75, -28.85], [-55.5, -28.75], [-55.25, -28.85], [-55.0, -28.75], [-54.75, -28.85], [-54.5, -28.75], [-53.97000000000003, -28.97], [-53.81999999999999, -29.32], [-53.47000000000003, -29.47], [-53.25, -30.0], [-53.35000000000002, -30.25], [-53.25, -30.5], [-53.35000000000002, -30.75], [-53.25, -31.0], [-53.47000000000003, -31.53], [-54.0, -31.75], [-54.25, -31.65], [-54.5, -31.75], [-55.02999999999997, -31.53], [-55.18000000000001, -31.18], [-55.25, -31.15], [-55.5, -31.25], [-55.75, -31.15], [-56.0, -31.25], [-56.52999999999997, -31.03], [-56.68000000000001, -30.68], [-56.75, -30.65], [-57.0, -30.75], [-57.52999999999997, -30.53], [-57.75, -30.0], [-57.64999999999998, -29.75], [-57.75, -29.5]]]]}, "2026-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.75, -29.5], [-57.52999999999997, -28.97], [-57.18000000000001, -28.82], [-57.02999999999997, -28.47], [-56.5, -28.25], [-55.97000000000003, -28.47], [-55.81999999999999, -28.82], [-55.75, -28.85], [-55.5, -28.75], [-55.25, -28.85], [-55.0, -28.75], [-54.75, -28.85], [-54.5, -28.75], [-53.97000000000003, -28.97], [-53.81999999999999, -29.32], [-53.47000000000003, -29.47], [-53.25, -30.0], [-53.35000000000002, -30.25], [-53.25, -30.5], [-53.35000000000002, -30.75], [-53.25, -31.0], [-53.47000000000003, -31.53], [-54.0, -31.75], [-54.25, -31.65], [-54.5, -31.75], [-55.02999999999997, -31.53], [-55.18000000000001, -31.18], [-55.25, -31.15], [-55.5, -31.25], [-55.75, -31.15], [-56.0, -31.25], [-56.52999999999997, -31.03], [-56.68000000000001, -30.68], [-56.75, -30.65], [-57.0, -30.75], [-57.52999999999997, -30.53], [-57.75, -30.0], [-57.64999999999998, -29.75], [-57.75, -29.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.605559038252011}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.365383593376689}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.55986938476559, 29.15494883703809, 28.45968138679632]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.327040608723962, 30.6351308186849, 31.010222371419275]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.026888852375126, 4.8074062456743745, 4.261855682080566]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.6384978658077785, 5.202917235553514, 5.605559038252011]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6337078755942678, 2.0228564872826107, 1.8366887166528274]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8780744356518444, 2.1766397014207137, 2.506031368364781]}}