{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:12.117530", "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": "2025-Apr-09_to_2025-Apr-13_305.5_-5.5"}, "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": 2025040001387}, "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 09 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2025"}, "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": 110737.03886972682}, "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"]}, "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": -5.5}, "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": 305.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "305.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 303.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 308.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, -4.5], [-56.53, -3.97], [-56.0, -3.75], [-55.5, 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-4.5], [-52.35, -4.75], [-52.32, -4.82], [-51.97, -4.97], [-51.82, -5.32], [-51.47, -5.47], [-51.25, -6.0], [-51.35, -6.25], [-51.25, -6.5], [-51.47, -7.03], [-51.82, -7.18], [-51.97, -7.53], [-52.5, -7.75], [-52.75, -7.65], [-53.0, -7.75], [-53.25, -7.65], [-53.5, -7.75], [-54.03, -7.53], [-54.18, -7.18], [-54.25, -7.15], [-54.5, -7.25], [-55.03, -7.03], [-55.18, -6.68], [-55.53, -6.53], [-55.68, -6.18], [-56.03, -6.03], [-56.25, -5.5], [-56.15, -5.25], [-56.18, -5.18], [-56.53, -5.03], [-56.75, -4.5]]]]}, "2025-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, -4.5], [-56.53, -3.97], [-56.0, -3.75], [-55.5, -3.96], [-55.18, -3.82], [-55.03, -3.47], [-54.5, -3.25], [-53.97, -3.47], [-53.82, -3.82], [-53.75, -3.85], [-53.5, -3.75], [-53.25, -3.85], [-53.0, -3.75], [-52.47, -3.97], [-52.25, -4.5], [-52.35, -4.75], [-52.32, -4.82], [-51.97, -4.97], [-51.82, -5.32], [-51.47, -5.47], [-51.25, -6.0], [-51.35, -6.25], [-51.25, -6.5], [-51.47, -7.03], [-51.82, 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-6.03], [-56.25, -5.5], [-56.15, -5.25], [-56.25, -5.0], [-56.03, -4.47]]]]}, "2025-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.25, -5.0], [-56.03, -4.47], [-55.5, -4.25], [-55.25, -4.35], [-55.0, -4.25], [-54.75, -4.35], [-54.68, -4.32], [-54.53, -3.97], [-54.0, -3.75], [-53.75, -3.85], [-53.5, -3.75], [-52.97, -3.97], [-52.75, -4.5], [-52.85, -4.75], [-52.82, -4.82], [-52.47, -4.97], [-52.25, -5.5], [-52.47, -6.03], [-53.0, -6.25], [-53.53, -6.03], [-53.68, -5.68], [-53.8, -5.62], [-53.85, -5.75], [-53.75, -6.0], [-53.97, -6.53], [-54.5, -6.75], [-55.03, -6.53], [-55.18, -6.18], [-55.53, -6.03], [-55.68, -5.68], [-56.03, -5.53], [-56.25, -5.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.485610222011985}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5846456847494998}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.378512900216265, 26.875550701000122, 26.551352861192584, 26.563606907771145, 26.33566614786787]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.97745030721029, 27.393036142985068, 26.920344289143884, 27.07181065877279, 26.46244837443038]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.391048373275102, 1.8801689288864292, 1.5609923425427656, 1.6031340398754554, 1.2354349046337063]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7205380962031995, 2.485610222011985, 2.1136254861655743, 2.082740807057519, 1.382881862547606]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6662084482545692, 2.2704550781792716, 1.8810597538406013, 1.901763501455677, 1.4607705623640928]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0106407681216254, 2.936238848315442, 2.4866454571830063, 2.419420299796646, 1.5855521648609898]}}