{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:42.230430", "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": "2011-Jan-25_to_2011-Jan-28_300.0_-27.5"}, "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": 2011010002535}, "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 25 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 28 2011"}, "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": 124921.41669793735}, "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", "Paraguay"]}, "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": -27.5}, "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": 300.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.25}, "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": -28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.53, -28.03], [-61.75, -27.5], [-61.53, -26.97], [-61.0, -26.75], [-60.75, -26.85], [-60.68, -26.82], [-60.53, -26.47], [-60.0, -26.25], [-59.75, -26.35], [-59.5, -26.25], [-58.97, -26.47], [-58.82, -26.82], [-58.75, -26.85], [-58.5, -26.75], [-57.97, -26.97], [-57.82, -27.32], [-57.47, -27.47], [-57.25, -28.0], [-57.47, -28.53], [-58.0, -28.75], [-58.25, -28.65], [-58.5, -28.75], [-58.75, -28.65], [-59.0, -28.75], [-59.25, -28.65], [-59.5, -28.75], [-59.75, -28.65], [-60.0, -28.75], [-60.53, -28.53], [-60.68, -28.18], [-60.75, -28.15], [-61.0, -28.25], [-61.53, -28.03]]]]}, "2011-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -25.47], [-61.5, -25.25], [-61.25, -25.35], [-61.18, -25.32], [-61.03, -24.97], [-60.68, -24.82], [-60.53, -24.47], [-60.18, -24.32], [-60.03, -23.97], [-59.5, -23.75], [-59.25, -23.85], [-59.18, -23.82], [-59.03, -23.47], [-58.5, -23.25], [-58.25, -23.35], [-58.0, -23.25], [-57.75, -23.35], [-57.5, -23.25], [-56.97, -23.47], [-56.82, -23.82], [-56.47, -23.97], [-56.25, -24.5], [-56.47, -25.03], [-57.0, -25.25], [-57.25, -25.15], [-57.32, -25.18], [-57.35, -25.25], [-57.25, -25.5], [-57.47, -26.03], [-57.82, -26.18], [-57.97, -26.53], [-58.5, -26.75], [-57.97, -26.97], [-57.82, -27.32], [-57.47, -27.47], [-57.25, -28.0], [-57.47, -28.53], [-58.0, -28.75], [-58.25, -28.65], [-58.5, -28.75], [-58.75, -28.65], [-59.0, -28.75], [-59.25, -28.65], [-59.5, -28.75], [-59.75, -28.65], [-60.0, -28.75], [-60.53, -28.53], [-60.68, -28.18], [-60.75, -28.15], [-61.0, -28.25], [-61.53, -28.03], [-61.75, -27.5], [-61.62, -27.2], [-62.03, -27.03], [-62.25, -26.5], [-62.15, -26.25], [-62.25, -26.0], [-62.03, -25.47]], [[-58.75, -26.65], [-58.82, -26.68], [-58.85, -26.75], [-58.82, -26.82], [-58.75, -26.85], [-58.5, -26.75], [-58.75, -26.65]]]]}, "2011-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -25.47], [-61.5, -25.25], [-61.25, -25.35], [-61.18, -25.32], [-61.03, -24.97], [-60.68, -24.82], [-60.53, -24.47], [-60.18, -24.32], [-60.03, -23.97], [-59.5, 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.452408585666262}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.7524190757271225}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.478023662657108, 31.147124787056384, 31.042836364290054, 31.24218495448514]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.179955963879422, 31.77552617078169, 32.27585680915632, 32.731524780491384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6399440788469386, 3.760535507551596, 3.7251040862055094, 3.815286915073437]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.801360877686079, 5.452408585666262, 4.715463174781178, 4.950625006189398]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.673787364565101, 1.7045027471843393, 1.649393367132841, 1.6038063342980338]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1985198038793126, 2.4705054409878637, 2.0530491192637985, 2.0154795125259346]}}