{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:44.998616", "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-Oct-26_to_2012-Oct-29_301.0_-34.0"}, "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": 2012100002731}, "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 26 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 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": 90449.50758679264}, "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", "Uruguay"]}, "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": ["Rio de La Plata"]}, "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": -34.0}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.53, -33.47], [-59.0, -33.25], [-58.47, -33.47], [-58.25, -34.0], [-58.35, -34.25], [-58.25, -34.5], [-58.47, -35.03], [-59.0, -35.25], [-59.53, -35.03], [-59.75, -34.5], [-59.65, -34.25], [-59.75, -34.0], [-59.53, -33.47]]]]}, "2012-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.53, -31.97], [-60.0, -31.75], [-59.75, -31.85], [-59.5, -31.75], [-58.97, -31.97], [-58.82, -32.32], [-58.75, -32.35], [-58.5, -32.25], [-58.25, -32.35], [-58.18, -32.32], [-58.03, -31.97], [-57.5, -31.75], [-57.25, -31.85], [-57.0, -31.75], [-56.75, -31.85], [-56.5, -31.75], [-56.25, -31.85], [-56.0, -31.75], [-55.75, -31.85], [-55.5, -31.75], [-54.97, -31.97], [-54.82, -32.32], [-54.47, -32.47], [-54.25, -33.0], [-54.47, -33.53], [-54.82, -33.68], [-54.97, -34.03], [-55.32, -34.18], [-55.47, -34.53], [-56.0, -34.75], [-56.25, -34.65], [-56.5, -34.75], [-56.75, -34.65], [-57.0, -34.75], [-57.25, -34.65], [-57.5, -34.75], [-57.75, -34.65], [-58.0, -34.75], [-58.25, -34.65], [-58.32, -34.68], [-58.47, -35.03], [-59.0, -35.25], [-59.53, -35.03], [-59.75, -34.5], [-59.65, -34.25], [-59.68, -34.18], [-60.03, -34.03], [-60.18, -33.68], [-60.53, -33.53], [-60.75, -33.0], [-60.65, -32.75], [-60.75, -32.5], [-60.53, -31.97]]]]}, "2012-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.53, -31.97], [-60.0, -31.75], [-59.75, -31.85], [-59.5, -31.75], [-58.97, -31.97], [-58.82, -32.32], [-58.75, -32.35], [-58.5, -32.25], [-58.25, -32.35], [-58.18, -32.32], [-58.03, -31.97], [-57.5, -31.75], [-57.25, -31.85], [-57.0, -31.75], [-56.75, -31.85], [-56.5, -31.75], [-56.25, -31.85], [-56.0, -31.75], [-55.75, -31.85], [-55.5, -31.75], [-54.97, -31.97], [-54.82, -32.32], [-54.47, -32.47], [-54.25, -33.0], [-54.47, -33.53], [-54.82, -33.68], [-54.97, -34.03], [-55.32, -34.18], [-55.47, -34.53], [-56.0, -34.75], [-56.25, -34.65], [-56.5, -34.75], [-56.75, -34.65], [-57.0, -34.75], [-57.25, -34.65], [-57.5, -34.75], [-57.75, -34.65], [-58.0, -34.75], [-58.25, -34.65], [-58.32, -34.68], [-58.47, -35.03], [-59.0, -35.25], [-59.53, -35.03], [-59.75, -34.5], [-59.65, -34.25], [-59.68, -34.18], [-60.03, -34.03], [-60.18, -33.68], [-60.53, -33.53], [-60.75, -33.0], [-60.65, -32.75], [-60.75, -32.5], [-60.53, -31.97]]]]}, "2012-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.53, -31.97], [-60.0, -31.75], [-59.75, -31.85], [-59.5, -31.75], [-58.97, -31.97], [-58.82, -32.32], [-58.75, -32.35], [-58.5, -32.25], [-58.25, -32.35], [-58.18, -32.32], [-58.03, -31.97], [-57.5, -31.75], [-57.25, -31.85], [-57.0, -31.75], [-56.75, -31.85], [-56.5, -31.75], [-56.25, -31.85], [-56.0, -31.75], [-55.75, -31.85], [-55.5, -31.75], [-54.97, -31.97], [-54.82, -32.32], [-54.47, -32.47], [-54.25, -33.0], [-54.47, -33.53], [-54.82, -33.68], [-54.97, -34.03], [-55.32, -34.18], [-55.47, -34.53], [-56.0, -34.75], [-56.25, -34.65], [-56.5, -34.75], [-56.75, -34.65], [-57.0, -34.75], [-57.25, -34.65], [-57.5, -34.75], [-57.75, -34.65], [-58.0, -34.75], [-58.25, -34.65], [-58.5, -34.75], [-58.75, -34.65], [-59.0, -34.75], [-59.53, -34.53], [-59.68, -34.18], [-60.03, -34.03], [-60.18, -33.68], [-60.53, -33.53], [-60.75, -33.0], [-60.65, -32.75], [-60.75, -32.5], [-60.53, -31.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.370837988864196}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.489794954117326}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.58476557296774, 22.734371219242632, 22.892556705893128, 22.311543271487324]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.838066744484593, 23.7588487981223, 24.331951823361294, 23.353055941505033]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.733187113033779, 4.533491417897923, 4.780530141875897, 4.190033421126039]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.788542914197592, 4.970915514303783, 5.370837988864196, 5.011365817273997]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1963276725437226, 1.4807587622875675, 1.6196255235593204, 1.4442536648044366]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2140505189996909, 1.5838576705208596, 1.8200123326955422, 1.7099643816923984]}}