{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:06.582685", "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": "2023-Jan-29_to_2023-Feb-02_302.0_-28.5"}, "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": 2023010002828}, "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": "January 29 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2023"}, "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": 72700.49681121712}, "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": -28.5}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.75, -29.5], [-61.53, -28.97], [-61.18, -28.82], 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[-57.25, -30.0], [-57.47, -30.53], [-58.0, -30.75], [-58.25, -30.65], [-58.5, -30.75], [-58.75, -30.65], [-58.82, -30.68], [-58.97, -31.03], [-59.5, -31.25], [-59.75, -31.15], [-60.0, -31.25], [-60.25, -31.15], [-60.5, -31.25], [-61.03, -31.03], [-61.18, -30.68], [-61.53, -30.53], [-61.75, -30.0], [-61.65, -29.75], [-61.75, -29.5], [-61.53, -28.97]]]]}, "2023-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.53, -28.97], [-61.18, -28.82], [-61.03, -28.47], [-60.5, -28.25], [-60.25, -28.35], [-60.18, -28.32], [-60.03, -27.97], [-59.5, -27.75], [-59.25, -27.85], [-59.0, -27.75], [-58.75, -27.85], [-58.5, -27.75], [-58.25, -27.85], [-58.0, -27.75], [-57.75, -27.85], [-57.5, -27.75], [-57.25, -27.85], [-57.0, -27.75], [-56.47, -27.97], [-56.25, -28.5], [-56.47, -29.03], [-57.0, -29.25], [-57.25, -29.15], [-57.32, -29.18], [-57.46, -29.5], [-57.25, -30.0], [-57.47, -30.53], [-58.0, -30.75], [-58.25, -30.65], [-58.5, -30.75], [-58.75, -30.65], [-58.82, -30.68], [-58.97, -31.03], [-59.5, -31.25], [-59.75, -31.15], [-60.0, -31.25], [-60.25, -31.15], [-60.5, -31.25], [-61.03, -31.03], [-61.18, -30.68], [-61.53, -30.53], [-61.75, -30.0], [-61.65, -29.75], [-61.75, -29.5], [-61.53, -28.97]]]]}, "2023-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.53, -28.97], [-61.18, -28.82], [-61.03, -28.47], [-60.5, -28.25], [-60.25, -28.35], [-60.18, -28.32], [-60.03, -27.97], [-59.5, -27.75], [-59.25, -27.85], [-59.0, -27.75], [-58.75, -27.85], [-58.5, -27.75], [-58.25, -27.85], [-58.0, -27.75], [-57.75, -27.85], [-57.5, -27.75], [-57.25, -27.85], [-57.0, -27.75], [-56.47, -27.97], [-56.25, -28.5], [-56.47, -29.03], [-57.0, -29.25], [-57.25, -29.15], [-57.32, -29.18], [-57.46, -29.5], [-57.25, -30.0], [-57.47, -30.53], [-58.0, -30.75], [-58.25, -30.65], [-58.5, -30.75], [-58.75, -30.65], [-58.82, -30.68], [-58.97, -31.03], [-59.5, -31.25], [-59.75, -31.15], [-60.0, -31.25], [-60.25, -31.15], [-60.5, -31.25], [-61.03, -31.03], [-61.18, -30.68], [-61.53, -30.53], [-61.75, -30.0], [-61.65, -29.75], [-61.75, -29.5], [-61.53, -28.97]]]]}, "2023-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.25, -28.5], [-59.03, -27.97], [-58.5, -27.75], [-58.25, -27.85], [-58.0, -27.75], [-57.75, -27.85], [-57.5, -27.75], [-57.25, -27.85], [-57.0, -27.75], [-56.47, -27.97], [-56.25, -28.5], [-56.47, -29.03], [-57.0, -29.25], [-57.25, -29.15], [-57.32, -29.18], [-57.47, -29.53], [-58.0, -29.75], [-58.53, -29.53], [-58.68, -29.18], [-59.03, -29.03], [-59.25, -28.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.675565973460721}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.1255647919954495}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.811078904184228, 29.86057172235843, 29.87736990756514, 30.867857813887554, 30.639462377853363]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.787079556946992, 30.594803156414798, 30.586971270145, 31.707002834194952, 31.191371494857663]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.749415768434393, 3.8646084019623093, 3.883532280719435, 4.907405621832713, 4.17043752559905]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.692981901363794, 4.591350674509044, 4.640384835305838, 5.675565973460721, 4.601931579868506]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5914999604469833, 1.5803852255348558, 1.56036692132743, 1.9395363922732543, 1.6668675252727514]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0051454176033823, 1.8787121113249379, 1.8285057948684897, 2.225500200773388, 1.8107250409578657]}}