{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:33.209558", "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": "2012-May-26_to_2012-May-29_294.0_0.0"}, "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": 2012050002883}, "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": "May 26 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 2012"}, "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": 120531.55930718307}, "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", "Venezuela"]}, "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": 0.0}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, -2.53], [-66.25, -2.0], [-66.03, -1.47], [-65.5, 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[-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.97, -2.03], [-62.5, -2.25], [-62.75, -2.15], [-63.0, -2.25], [-63.3, -2.12], [-63.47, -2.53], [-64.0, -2.75], [-64.25, -2.65], [-64.5, -2.75], [-64.75, -2.65], [-65.0, -2.75], [-65.25, -2.65], [-65.5, -2.75], [-66.03, -2.53], [-66.18, -2.18], [-66.53, -2.03], [-66.68, -1.68], [-67.03, -1.53], [-67.2, -1.12], [-67.5, -1.25], [-68.03, -1.03], [-68.18, -0.68], [-68.53, -0.53], [-68.75, 0.0]]]]}, "2012-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, 0.0], [-68.53, 0.53], [-68.18, 0.68], [-68.03, 1.03], [-67.5, 1.25], [-66.97, 1.03], [-66.82, 0.68], [-66.75, 0.65], [-66.5, 0.75], [-66.25, 0.65], [-66.18, 0.68], [-66.15, 0.75], [-66.25, 1.0], [-66.03, 1.53], [-65.5, 1.75], [-64.97, 1.53], [-64.8, 1.12], [-64.5, 1.25], [-63.97, 1.03], [-63.75, 0.5], [-63.85, 0.25], [-63.82, 0.18], [-63.75, 0.15], [-63.5, 0.25], [-62.97, 0.03], [-62.82, -0.32], [-62.47, -0.47], [-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.97, -2.03], [-62.5, -2.25], [-62.75, -2.15], [-63.0, -2.25], [-63.3, -2.12], [-63.47, -2.53], [-64.0, -2.75], [-64.25, -2.65], [-64.5, -2.75], [-64.75, -2.65], [-65.0, -2.75], [-65.25, -2.65], [-65.5, -2.75], [-66.03, -2.53], [-66.18, -2.18], [-66.53, -2.03], [-66.68, -1.68], [-67.03, -1.53], [-67.2, -1.12], [-67.5, -1.25], [-68.03, -1.03], [-68.18, -0.68], [-68.53, -0.53], [-68.75, 0.0]]]]}, "2012-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.15, -0.25], [-67.25, 0.0], [-67.03, 0.53], [-66.5, 0.75], [-66.25, 0.65], [-66.18, 0.68], [-66.15, 0.75], [-66.25, 1.0], [-66.03, 1.53], [-65.5, 1.75], [-64.97, 1.53], [-64.8, 1.12], [-64.5, 1.25], [-63.97, 1.03], [-63.75, 0.5], [-63.85, 0.25], [-63.82, 0.18], [-63.75, 0.15], [-63.5, 0.25], [-62.97, 0.03], [-62.82, -0.32], [-62.47, -0.47], [-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.97, -2.03], [-62.5, -2.25], [-62.75, -2.15], [-63.0, -2.25], [-63.3, -2.12], [-63.47, -2.53], [-64.0, -2.75], 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"The daily evolution of mean t2m anomalies.", "value": [1.2470529768643928, 1.3068047346439688, 1.2848179483251556, 1.3105564820210602]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4364849404826145, 1.6636950922948586, 1.5951258215648068, 1.6400498428870378]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5505581453108428, 1.719188099960644, 1.7423869013176552, 1.8741396669213055]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7924332436888688, 2.1897734336553953, 2.044101433310214, 2.3101076660435824]}}