{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:03.136690", "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": "2021-Oct-09_to_2021-Oct-12_291.0_-40.5"}, "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": 2021100001668}, "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": "October 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2021"}, "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": 89217.95838464245}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -40.5}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -38.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-69.04, -39.0], [-69.18, -38.68], [-69.53, -38.53], [-69.75, -38.0], [-69.53, -37.47], [-69.0, -37.25], [-68.47, -37.47], [-68.32, -37.82], [-67.97, -37.97], [-67.82, -38.32], [-67.47, -38.47], [-67.32, -38.82], [-67.25, -38.85], [-67.0, -38.75], [-66.47, -38.97], [-66.3, -39.38], [-66.0, -39.25], [-65.75, -39.35], [-65.5, -39.25], [-65.25, -39.35], [-65.0, -39.25], [-64.47, -39.47], [-64.32, -39.82], [-63.97, -39.97], [-63.75, -40.5], [-63.97, -41.03], [-64.5, -41.25], [-64.75, -41.15], [-64.82, -41.18], [-64.85, -41.25], [-64.75, -41.5], [-64.97, -42.03], [-65.5, -42.25], [-65.75, -42.15], [-66.0, -42.25], [-66.25, -42.15], [-66.32, -42.18], [-66.47, -42.53], [-67.0, -42.75], [-67.25, -42.65], [-67.5, -42.75], [-67.75, -42.65], [-68.0, -42.75], [-68.53, -42.53], [-68.68, -42.18], [-68.75, -42.15], [-69.0, -42.25], [-69.53, -42.03], [-69.75, -41.5], [-69.54, -41.0], [-69.75, -40.5], [-69.65, -40.25], [-69.75, -40.0], [-69.53, -39.47], [-69.18, -39.32], [-69.04, -39.0]], [[-66.85, -40.25], [-66.82, -40.32], [-66.75, -40.35], [-66.62, -40.3], [-66.7, -40.12], [-66.82, -40.18], [-66.85, -40.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.75, -40.0], [-69.52999999999997, -39.47], [-69.18, -39.32], [-69.04000000000002, -39.0], [-69.25, -38.5], [-69.02999999999997, -37.97], [-68.5, -37.75], [-67.97000000000003, -37.97], [-67.82, -38.32], [-67.47000000000003, -38.47], [-67.32, -38.82], [-67.25, -38.85], [-67.0, -38.75], [-66.47000000000003, -38.97], [-66.30000000000001, -39.38], [-66.0, -39.25], [-65.75, -39.35], [-65.5, -39.25], [-65.25, -39.35], [-65.0, -39.25], [-64.47000000000003, -39.47], [-64.32, -39.82], [-63.97000000000003, -39.97], [-63.75, -40.5], [-63.97000000000003, -41.03], [-64.5, -41.25], [-64.75, -41.15], [-64.82, -41.18], 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16.711042656917527]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.69272574258838, 20.945562093585863, 20.61331070697821, 20.329804591829713]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.825394006269139, 6.4745669734983835, 4.723791905824723, 4.981216989392614]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.060346128349863, 8.588632505734097, 5.4617368008633775, 5.834257095495786]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6093918374760432, 2.1234431315205304, 1.487221161505538, 1.5491395835295256]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.079978431904656, 2.7916885223526675, 1.806413114420784, 1.8476392859964406]}}