{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:46.939156", "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-31_to_2012-Nov-03_299.5_-39.0"}, "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": 2012100003043}, "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 31 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 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": 80522.49111092732}, "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.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": ["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": -39.0}, "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": 299.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.5\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": -39.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -36.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.15, -38.25], [-62.25, -38.0], [-62.03, -37.47], [-61.5, -37.25], [-61.25, -37.35], [-61.0, -37.25], [-60.47, -37.47], [-60.32, -37.82], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.5, -37.75], [-59.25, -37.85], [-59.0, -37.75], [-58.47, -37.97], [-58.25, -38.5], [-58.47, -39.03], [-59.0, -39.25], [-59.25, -39.15], [-59.5, -39.25], [-59.75, -39.15], [-59.82, -39.18], [-59.97, -39.53], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.5, -39.75], [-62.03, -39.53], [-62.25, -39.0], [-62.15, -38.75], [-62.25, -38.5], [-62.15, -38.25]]]]}, "2012-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.15, -38.25], [-62.25, -38.0], [-62.03, -37.47], [-61.5, -37.25], [-61.25, -37.35], [-61.0, -37.25], [-60.7, -37.38], [-60.65, -37.25], [-60.75, -37.0], [-60.53, -36.47], [-60.0, -36.25], [-59.75, -36.35], [-59.68, -36.32], [-59.53, -35.97], [-59.0, -35.75], [-58.5, -35.96], [-58.0, -35.75], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47, -35.97], [-56.25, -36.5], [-56.35, -36.75], [-56.25, -37.0], [-56.47, -37.53], [-56.82, -37.68], [-56.85, -37.75], [-56.82, -37.82], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.25, -39.0], [-56.47, -39.53], [-57.0, -39.75], [-57.25, -39.65], [-57.5, -39.75], [-58.03, -39.53], [-58.2, -39.12], [-58.5, -39.25], [-58.75, -39.15], [-59.0, -39.25], [-59.25, -39.15], [-59.5, -39.25], [-59.75, -39.15], [-59.82, -39.18], [-59.97, -39.53], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.5, -39.75], [-62.03, -39.53], [-62.25, -39.0], [-62.15, -38.75], [-62.25, -38.5], [-62.15, -38.25]]]]}, "2012-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.15, -38.25], [-62.25, -38.0], [-62.03, -37.47], [-61.5, -37.25], [-61.25, -37.35], [-61.0, -37.25], [-60.7, -37.38], [-60.65, -37.25], [-60.75, -37.0], [-60.53, -36.47], [-60.0, -36.25], [-59.75, -36.35], [-59.68, -36.32], [-59.53, -35.97], [-59.0, -35.75], [-58.5, -35.96], [-58.0, -35.75], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47, -35.97], [-56.25, -36.5], [-56.35, -36.75], [-56.25, -37.0], [-56.47, -37.53], [-56.82, -37.68], [-56.85, -37.75], [-56.82, -37.82], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.25, -39.0], [-56.47, -39.53], [-57.0, -39.75], [-57.25, -39.65], [-57.5, -39.75], [-58.03, -39.53], [-58.2, -39.12], [-58.5, -39.25], [-58.75, -39.15], [-59.0, -39.25], [-59.25, -39.15], [-59.5, -39.25], [-59.75, -39.15], [-59.82, -39.18], [-59.97, -39.53], [-60.5, -39.75], [-60.75, -39.65], [-61.0, -39.75], [-61.25, -39.65], [-61.5, -39.75], [-62.03, -39.53], [-62.25, -39.0], [-62.15, -38.75], [-62.25, -38.5], [-62.15, -38.25]]]]}, "2012-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -38.53], [-62.25, -38.0], [-62.03, -37.47], [-61.5, -37.25], [-60.97, -37.47], [-60.75, -38.0], [-60.97, -38.53], [-61.5, -38.75], [-62.03, -38.53]]], [[[-60.0, -36.25], [-59.75, -36.35], [-59.68, -36.32], [-59.53, -35.97], [-59.0, -35.75], [-58.5, -35.96], [-58.0, -35.75], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47, -35.97], [-56.25, -36.5], [-56.35, -36.75], [-56.25, -37.0], [-56.47, -37.53], [-56.82, -37.68], [-56.85, -37.75], [-56.82, -37.82], [-56.47, -37.97], [-56.25, -38.5], [-56.35, -38.75], [-56.25, -39.0], [-56.47, -39.53], [-57.0, -39.75], [-57.25, -39.65], [-57.5, -39.75], [-58.03, -39.53], [-58.2, -39.12], [-58.5, -39.25], [-59.03, -39.03], [-59.25, -38.5], [-59.12, -38.2], [-59.25, -38.15], [-59.5, -38.25], [-59.75, -38.15], [-60.0, -38.25], [-60.53, -38.03], [-60.75, -37.5], [-60.65, -37.25], [-60.75, -37.0], [-60.53, -36.47], [-60.0, -36.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.812807912216044}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.073862155491045}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.684183906180806, 18.69610486057269, 19.59837688625663, 18.79838646365897]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.15189066026022, 20.346872466876846, 22.373284277092978, 20.824088118803616]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.5731054663078226, 3.8353159876639857, 4.4530057474210505, 3.6333668766048786]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.1569130678670945, 5.046302345916047, 5.812807912216044, 4.3335271197620955]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6208588273016538, 1.5196107738339502, 1.6995841564610088, 1.4445828949720367]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.941147469368094, 1.9299144721233952, 2.088523362556131, 2.038656566438237]}}