{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:34.097114", "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": "2015-Mar-06_to_2015-Mar-08_299.5_-41.0"}, "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": 2015030001422}, "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": "March 06 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2015"}, "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": 174675.5387732117}, "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", "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": -41.0}, "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": 297.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -38.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -40.25], [-62.75, -40.0], [-62.65, -39.75], [-62.75, -39.5], [-62.65, -39.25], [-62.75, -39.0], [-62.53, -38.47], [-62.0, -38.25], [-61.75, -38.35], [-61.5, -38.25], [-61.25, -38.35], [-61.18, -38.32], [-61.03, -37.97], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.5, -37.75], [-59.25, -37.85], [-59.0, -37.75], [-58.75, -37.85], [-58.5, -37.75], [-58.25, -37.85], [-58.0, -37.75], [-57.47, -37.97], [-57.32, -38.32], [-56.97, -38.47], [-56.82, -38.82], [-56.47, -38.97], [-56.32, -39.32], [-55.97, -39.47], [-55.75, -40.0], [-55.97, -40.53], [-56.32, -40.68], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.5, -42.75], [-58.75, -42.65], [-59.0, -42.75], [-59.25, -42.65], [-59.5, -42.75], [-59.75, -42.65], [-60.0, -42.75], [-60.25, -42.65], [-60.5, -42.75], [-60.75, -42.65], [-61.0, -42.75], [-61.53, -42.53], [-61.68, -42.18], [-62.03, -42.03], [-62.18, -41.68], [-62.53, -41.53], [-62.75, -41.0], [-62.65, -40.75], [-62.75, -40.5], [-62.65, -40.25]]]]}, "2015-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -40.25], [-62.75, -40.0], [-62.65, -39.75], [-62.75, -39.5], [-62.65, -39.25], [-62.75, -39.0], [-62.53, -38.47], [-62.0, -38.25], [-61.75, -38.35], [-61.5, -38.25], [-61.25, -38.35], [-61.18, -38.32], [-61.03, -37.97], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.5, -37.75], [-59.25, -37.85], [-59.0, -37.75], [-58.75, -37.85], [-58.5, -37.75], [-58.25, -37.85], [-58.0, -37.75], [-57.47, -37.97], [-57.32, -38.32], [-56.97, -38.47], [-56.82, -38.82], [-56.47, -38.97], [-56.32, -39.32], [-55.97, -39.47], [-55.75, -40.0], [-55.97, -40.53], [-56.32, -40.68], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.5, -42.75], [-58.75, -42.65], [-59.0, -42.75], [-59.25, -42.65], [-59.5, -42.75], [-59.75, -42.65], [-60.0, -42.75], [-60.25, -42.65], [-60.5, -42.75], [-60.75, -42.65], [-61.0, -42.75], [-61.53, -42.53], [-61.68, -42.18], [-62.03, -42.03], [-62.18, -41.68], [-62.53, -41.53], [-62.75, -41.0], [-62.65, -40.75], [-62.75, -40.5], [-62.65, -40.25]]]]}, "2015-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -40.25], [-62.75, -40.0], [-62.65, -39.75], [-62.75, -39.5], [-62.65, -39.25], [-62.75, -39.0], [-62.53, -38.47], [-62.0, -38.25], [-61.75, -38.35], [-61.5, -38.25], [-61.25, -38.35], [-61.18, -38.32], [-61.03, -37.97], [-60.5, -37.75], [-60.25, -37.85], [-60.0, -37.75], [-59.75, -37.85], [-59.5, -37.75], [-59.25, -37.85], [-59.0, -37.75], [-58.75, -37.85], [-58.5, -37.75], [-58.25, -37.85], [-58.0, -37.75], [-57.47, -37.97], [-57.32, -38.32], [-56.97, -38.47], [-56.82, -38.82], [-56.47, -38.97], [-56.32, -39.32], [-55.97, -39.47], [-55.75, -40.0], [-55.97, -40.53], [-56.32, -40.68], [-56.47, -41.03], [-56.82, -41.18], [-56.97, -41.53], [-57.32, -41.68], [-57.47, -42.03], [-57.82, -42.18], [-57.97, -42.53], [-58.5, -42.75], [-58.75, -42.65], [-59.0, -42.75], [-59.25, -42.65], [-59.5, -42.75], [-59.75, -42.65], [-60.0, -42.75], [-60.25, -42.65], [-60.5, -42.75], [-60.75, -42.65], [-61.0, -42.75], [-61.53, -42.53], [-61.68, -42.18], [-62.03, -42.03], [-62.18, -41.68], [-62.53, -41.53], [-62.75, -41.0], [-62.65, -40.75], [-62.75, -40.5], [-62.65, -40.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.687898477769522}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.782310225847603}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.93324533575162, 23.174813192976785, 22.3759998755516]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.853160518217692, 27.643568710350053, 26.563655350054944]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1169927425190207, 4.444824242277499, 3.7851136927462945]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.8288596713127845, 6.687898477769522, 6.381038277784796]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6507149992333316, 2.286690504866464, 1.8834369256074333]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0214500785962253, 2.7666580114893766, 2.1301157737494436]}}