{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:21.931577", "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-Apr-06_to_2026-Apr-09_303.5_-7.5"}, "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": 2026040001313}, "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 06 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 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": 76593.67797811191}, "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.South-America", "South-American-Monsoon"]}, "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": -7.5}, "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": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.53, -6.47], [-57.0, -6.25], [-56.75, -6.35], [-56.68, -6.32], [-56.53, -5.97], [-56.0, -5.75], [-55.75, -5.85], [-55.5, -5.75], [-54.97, -5.97], [-54.82, -6.32], [-54.75, -6.35], [-54.5, -6.25], [-53.97, -6.47], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.47, -8.03], [-53.82, -8.18], [-53.97, -8.53], [-54.32, -8.68], [-54.47, -9.03], [-55.0, -9.25], [-55.25, -9.15], [-55.5, -9.25], [-55.75, -9.15], [-56.0, -9.25], [-56.25, -9.15], [-56.5, -9.25], [-56.75, -9.15], [-57.0, -9.25], [-57.53, -9.03], [-57.75, -8.5], [-57.54, -8.0], [-57.75, -7.5], [-57.65, -7.25], [-57.75, -7.0], [-57.53, -6.47]]]]}, "2026-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.53, -6.47], [-57.0, -6.25], [-56.75, -6.35], [-56.68, -6.32], [-56.53, -5.97], [-56.0, -5.75], [-55.75, -5.85], [-55.5, -5.75], [-54.97, -5.97], [-54.82, -6.32], [-54.75, -6.35], [-54.5, -6.25], [-53.97, -6.47], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.47, -8.03], [-53.82, -8.18], [-53.97, -8.53], [-54.32, -8.68], [-54.47, -9.03], [-55.0, -9.25], [-55.25, -9.15], [-55.5, -9.25], [-55.75, -9.15], [-56.0, -9.25], [-56.25, -9.15], [-56.5, -9.25], [-56.75, -9.15], [-57.0, -9.25], [-57.53, -9.03], [-57.75, -8.5], [-57.54, -8.0], [-57.75, -7.5], [-57.65, -7.25], [-57.75, -7.0], [-57.53, -6.47]]]]}, "2026-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.53, -6.47], [-57.0, -6.25], [-56.75, -6.35], [-56.68, -6.32], [-56.53, -5.97], [-56.0, -5.75], [-55.75, -5.85], [-55.5, -5.75], [-54.97, -5.97], [-54.82, -6.32], [-54.75, -6.35], [-54.5, -6.25], [-53.97, -6.47], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.47, -8.03], [-53.82, -8.18], [-53.97, -8.53], [-54.32, -8.68], [-54.47, -9.03], [-55.0, -9.25], [-55.25, -9.15], [-55.5, -9.25], [-55.75, -9.15], [-56.0, -9.25], [-56.25, -9.15], [-56.5, -9.25], [-56.75, -9.15], [-57.0, -9.25], [-57.53, -9.03], [-57.75, -8.5], [-57.54, -8.0], [-57.75, -7.5], [-57.65, -7.25], [-57.75, -7.0], [-57.53, -6.47]]]]}, "2026-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.5, -6.75], [-55.97, -6.97], [-55.75, -7.5], [-55.97, -8.03], [-56.5, -8.25], [-57.03, -8.03], [-57.25, -7.5], [-57.03, -6.97], [-56.5, -6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.835623486602856}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9008504258316596}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.208867441813197, 26.639645894368527, 27.201303914388063, 26.282685852050804]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.53922551472982, 27.370830790201865, 27.70978698730471, 26.282685852050804]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.435467983552162, 1.864507846320737, 2.424752416297606, 1.3464262089435124]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6389546621091426, 2.315040433050342, 2.835623486602856, 1.3464262089435124]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.624415488001687, 2.0860447239450504, 2.7261373277387806, 1.4742841754487879]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7746112375802987, 2.5791159896489297, 3.168164182740911, 1.4742841754487879]}}