{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:28.021609", "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-Sep-05_to_2012-Sep-07_293.5_-48.5"}, "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": 2012090001559}, "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": "September 05 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 138158.48356695095}, "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.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": ["South Atlantic Ocean"]}, "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": -48.5}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -42.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.5, -42.75], [-68.25, -42.85], [-68.18, -42.82], 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-47.82], [-66.65, -47.75], [-66.68, -47.68], [-67.03, -47.53], [-67.18, -47.18], [-67.53, -47.03], [-67.68, -46.68], [-68.03, -46.53], [-68.25, -46.0], [-68.15, -45.75], [-68.18, -45.68], [-68.53, -45.53], [-68.75, -45.0], [-68.65, -44.75], [-68.68, -44.68], [-68.75, -44.65], [-69.0, -44.75], [-69.53, -44.53], [-69.75, -44.0], [-69.53, -43.47], [-69.18, -43.32], [-69.03, -42.97], [-68.5, -42.75]]]]}, "2012-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.5, -42.75], [-68.25, -42.85], [-68.18, -42.82], [-68.03, -42.47], [-67.5, -42.25], [-66.97, -42.47], [-66.75, -43.0], [-66.85, -43.25], [-66.82, -43.32], [-66.47, -43.47], [-66.25, -44.0], [-66.46, -44.5], [-66.32, -44.82], [-65.97, -44.97], [-65.8, -45.38], [-65.5, -45.25], [-64.97, -45.47], [-64.82, -45.82], [-64.47, -45.97], [-64.32, -46.32], [-63.97, -46.47], [-63.75, -47.0], [-63.85, -47.25], [-63.82, -47.32], [-63.47, -47.47], [-63.25, -48.0], [-63.35, -48.25], [-63.32, -48.32], [-62.97, -48.47], 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"coordinates": [[[[-68.5, -42.75], [-68.25, -42.85], [-68.18, -42.82], [-68.03, -42.47], [-67.5, -42.25], [-66.97, -42.47], [-66.75, -43.0], [-66.85, -43.25], [-66.82, -43.32], [-66.47, -43.47], [-66.25, -44.0], [-66.46, -44.5], [-66.32, -44.82], [-65.97, -44.97], [-65.8, -45.38], [-65.5, -45.25], [-64.97, -45.47], [-64.82, -45.82], [-64.47, -45.97], [-64.32, -46.32], [-63.97, -46.47], [-63.75, -47.0], [-63.85, -47.25], [-63.82, -47.32], [-63.47, -47.47], [-63.25, -48.0], [-63.35, -48.25], [-63.32, -48.32], [-62.97, -48.47], [-62.75, -49.0], [-62.97, -49.53], [-63.5, -49.75], [-63.75, -49.65], [-63.82, -49.68], [-63.97, -50.03], [-64.32, -50.18], [-64.47, -50.53], [-65.0, -50.75], [-65.25, -50.65], [-65.5, -50.75], [-65.75, -50.65], [-66.0, -50.75], [-66.25, -50.65], [-66.5, -50.75], [-66.75, -50.65], [-67.0, -50.75], [-67.25, -50.65], [-67.5, -50.75], [-68.03, -50.53], [-68.25, -50.0], [-68.15, -49.75], [-68.25, -49.5], [-68.15, -49.25], [-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.18, -48.32], [-67.03, -47.97], [-66.68, -47.82], [-66.65, -47.75], [-66.68, -47.68], [-67.03, -47.53], [-67.18, -47.18], [-67.53, -47.03], [-67.68, -46.68], [-68.03, -46.53], [-68.25, -46.0], [-68.15, -45.75], [-68.18, -45.68], [-68.53, -45.53], [-68.75, -45.0], [-68.65, -44.75], [-68.68, -44.68], [-68.75, -44.65], [-69.0, -44.75], [-69.53, -44.53], [-69.75, -44.0], [-69.53, -43.47], [-69.18, -43.32], [-69.03, -42.97], [-68.5, -42.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.133208557316493}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9142687379741505}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.253999079182108, 12.40249361680776, 10.760011832558348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.746016336856428, 19.556274440792834, 16.336011234157922]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.040870614943123, 5.189872340005726, 3.5120632589736096]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.875761724220638, 10.133208557316493, 6.537172646765782]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7088695490281682, 2.723536653314957, 1.8854954254769187]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6293544386893073, 3.4105511454790243, 2.532661647261372]}}