{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:38.571343", "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-Feb-14_to_2025-Feb-16_298.0_-28.0"}, "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": 2025020001318}, "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 14 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2025"}, "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": 54080.030518095846}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": -28.0}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -28.0], [-63.53, -27.47], [-63.0, -27.25], [-62.75, -27.35], [-62.5, -27.25], [-62.25, -27.35], [-62.0, -27.25], [-61.75, -27.35], [-61.5, -27.25], [-60.97, -27.47], [-60.75, -28.0], [-60.85, -28.25], [-60.82, -28.32], [-60.75, -28.35], [-60.5, -28.25], [-59.97, -28.47], [-59.82, -28.82], [-59.75, -28.85], [-59.5, -28.75], [-59.25, -28.85], [-59.0, -28.75], [-58.75, -28.85], [-58.5, -28.75], [-57.97, -28.97], [-57.75, -29.5], [-57.85, -29.75], [-57.75, -30.0], [-57.97, -30.53], [-58.5, -30.75], [-58.75, -30.65], [-59.0, -30.75], [-59.53, -30.53], [-59.68, -30.18], [-59.75, -30.15], [-60.0, -30.25], [-60.25, -30.15], [-60.5, -30.25], [-60.75, -30.15], [-61.0, -30.25], [-61.53, -30.03], [-61.68, -29.68], [-61.75, -29.65], [-62.0, -29.75], [-62.25, -29.65], [-62.5, -29.75], [-63.03, -29.53], [-63.25, -29.0], [-63.15, -28.75], [-63.18, -28.68], [-63.53, -28.53], [-63.75, -28.0]]]]}, "2025-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -28.0], [-63.53, -27.47], [-63.0, -27.25], [-62.75, -27.35], [-62.5, -27.25], [-62.25, -27.35], [-62.0, -27.25], [-61.75, -27.35], [-61.5, -27.25], [-60.97, -27.47], [-60.75, -28.0], [-60.85, -28.25], [-60.82, -28.32], [-60.75, -28.35], [-60.5, -28.25], [-59.97, -28.47], [-59.82, -28.82], [-59.75, -28.85], [-59.5, -28.75], [-59.25, -28.85], [-59.0, -28.75], [-58.75, -28.85], [-58.5, -28.75], [-57.97, -28.97], [-57.75, -29.5], [-57.85, -29.75], [-57.75, -30.0], [-57.97, -30.53], [-58.5, -30.75], [-58.75, -30.65], [-59.0, -30.75], [-59.53, -30.53], [-59.68, -30.18], [-59.75, -30.15], [-60.0, -30.25], [-60.25, -30.15], [-60.5, -30.25], [-60.75, -30.15], [-61.0, -30.25], [-61.53, -30.03], [-61.68, -29.68], [-61.75, -29.65], [-62.0, -29.75], [-62.25, -29.65], [-62.5, -29.75], [-63.03, -29.53], [-63.25, -29.0], [-63.15, -28.75], [-63.18, -28.68], [-63.53, -28.53], [-63.75, -28.0]]]]}, "2025-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -28.0], [-63.53, -27.47], [-63.0, -27.25], [-62.75, -27.35], [-62.5, -27.25], [-62.25, 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"description": "Mean t2m anomaly over entire duration", "value": 4.9218304538699185}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.126627604166742, 30.834605662028025, 30.125770823160792]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.633447265625023, 33.1741767883301, 33.0584490458171]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.570206697805597, 5.408512246780194, 4.786772417023966]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.730665423054688, 7.045373397539265, 7.173473054059912]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5433814177649834, 1.8140135879133983, 1.610837103854808]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7972669108979942, 2.1718225233137947, 2.3457829033579674]}}