{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:20.801921", "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": "2010-Jul-22_to_2010-Jul-27_298.0_-69.0"}, "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": 2010070002674}, "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": "July 22 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 201150.11165347364}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Southern-Ocean", "W.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern 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": -69.0}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -72.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -63.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -68.5], [-64.03, -67.97], [-63.5, -67.75], [-63.25, -67.85], [-63.0, -67.75], [-62.75, -67.85], [-62.5, -67.75], [-62.0, -67.96], [-61.5, -67.75], [-61.25, -67.85], [-61.0, -67.75], [-60.47, -67.97], [-60.32, -68.32], [-60.25, -68.35], [-60.0, -68.25], [-59.75, -68.35], [-59.68, -68.32], [-59.53, -67.97], [-59.0, -67.75], [-58.75, -67.85], [-58.5, -67.75], [-58.25, -67.85], [-58.0, -67.75], [-57.75, -67.85], [-57.5, -67.75], [-56.97, -67.97], [-56.75, -68.5], [-56.85, -68.75], [-56.75, -69.0], [-56.97, -69.53], [-57.32, -69.68], [-57.35, -69.75], [-57.25, -70.0], [-57.47, -70.53], [-57.87, -70.7], [-57.75, -71.0], [-57.97, -71.53], [-58.5, -71.75], [-58.75, -71.65], [-59.0, -71.75], [-59.25, -71.65], [-59.5, -71.75], [-59.75, -71.65], [-59.82, -71.68], [-59.85, -71.75], [-59.75, -72.0], [-59.85, -72.25], [-59.75, -72.5], [-59.97, -73.03], [-60.5, -73.25], [-61.03, -73.03], [-61.18, -72.68], [-61.25, -72.65], [-61.5, -72.75], [-62.03, -72.53], [-62.25, -72.0], [-62.15, -71.75], [-62.25, -71.5], [-62.15, -71.25], [-62.25, -71.0], [-62.15, -70.75], [-62.18, -70.68], [-62.53, -70.53], [-62.75, -70.0], [-62.65, -69.75], [-62.68, -69.68], [-62.75, -69.65], [-63.0, -69.75], [-63.53, -69.53], [-63.68, -69.18], [-64.03, -69.03], [-64.25, -68.5]]]]}, "2010-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.03, -67.47], [-63.5, -67.25], [-63.25, -67.35], [-63.0, -67.25], [-62.75, -67.35], [-62.5, -67.25], [-62.25, -67.35], [-62.0, -67.25], [-61.75, -67.35], [-61.5, -67.25], [-61.0, -67.46], [-60.5, -67.25], [-60.25, -67.35], [-60.0, -67.25], [-59.75, -67.35], [-59.5, -67.25], [-59.25, -67.35], [-59.0, -67.25], [-58.75, -67.35], [-58.5, -67.25], [-57.97, -67.47], [-57.82, -67.82], [-57.75, -67.85], [-57.5, -67.75], [-56.97, -67.97], [-56.75, -68.5], [-56.85, -68.75], [-56.75, -69.0], [-56.97, -69.53], [-57.32, -69.68], [-57.35, -69.75], [-57.25, -70.0], [-57.47, -70.53], [-57.87, -70.7], [-57.75, -71.0], [-57.97, -71.53], [-58.5, -71.75], [-58.75, -71.65], [-59.0, -71.75], [-59.25, -71.65], [-59.5, -71.75], [-59.75, -71.65], [-59.82, -71.68], [-59.85, -71.75], [-59.75, -72.0], [-59.85, -72.25], [-59.75, -72.5], [-59.97, -73.03], [-60.5, -73.25], [-61.03, -73.03], [-61.18, -72.68], [-61.25, -72.65], [-61.5, -72.75], [-62.03, -72.53], [-62.25, -72.0], [-62.15, -71.75], [-62.25, -71.5], [-62.15, -71.25], [-62.25, -71.0], [-62.15, -70.75], [-62.18, -70.68], [-62.53, -70.53], [-62.75, -70.0], [-62.65, -69.75], [-62.68, -69.68], [-62.75, -69.65], [-63.0, -69.75], [-63.53, -69.53], [-63.68, -69.18], [-64.03, -69.03], [-64.25, -68.5], [-64.15, -68.25], [-64.25, -68.0], [-64.03, -67.47]]]]}, "2010-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -65.97], [-64.0, -65.75], [-63.47, -65.97], [-63.32, -66.32], [-63.25, -66.35], [-63.0, -66.25], [-62.75, -66.35], [-62.68, -66.32], [-62.53, -65.97], [-62.18, -65.82], [-62.15, -65.75], [-62.25, -65.5], [-62.03, -64.97], [-61.5, -64.75], [-61.25, -64.85], [-61.0, -64.75], [-60.47, -64.97], [-60.32, -65.32], [-60.25, -65.35], [-60.18, -65.32], [-60.03, -64.97], [-59.68, -64.82], [-59.53, -64.47], [-59.0, -64.25], [-58.75, -64.35], [-58.68, -64.32], [-58.53, -63.97], [-58.0, -63.75], [-57.75, -63.85], [-57.5, -63.75], [-56.97, -63.97], [-56.75, -64.5], [-56.85, -64.75], [-56.82, -64.82], [-56.75, -64.85], [-56.5, -64.75], [-56.25, -64.85], [-56.0, -64.75], [-55.75, -64.85], [-55.5, -64.75], [-55.25, -64.85], [-55.0, -64.75], [-54.75, -64.85], [-54.5, -64.75], [-54.25, -64.85], [-54.0, -64.75], [-53.75, -64.85], [-53.5, -64.75], [-52.97, -64.97], [-52.75, -65.5], [-52.97, -66.03], [-53.32, -66.18], [-53.47, -66.53], [-53.82, -66.68], [-53.85, -66.75], [-53.75, -67.0], [-53.97, -67.53], [-54.5, -67.75], [-54.75, -67.65], [-55.0, -67.75], [-55.25, -67.65], [-55.32, -67.68], [-55.47, -68.03], [-56.0, -68.25], [-56.25, -68.15], [-56.5, -68.25], [-56.75, -68.15], [-56.87, -68.2], [-56.75, -68.5], [-56.85, -68.75], [-56.75, -69.0], [-56.97, -69.53], [-57.32, -69.68], [-57.35, -69.75], [-57.25, -70.0], [-57.47, -70.53], [-57.87, -70.7], [-57.75, -71.0], [-57.97, -71.53], [-58.5, -71.75], [-58.75, -71.65], [-59.0, -71.75], [-59.25, -71.65], [-59.5, -71.75], [-59.75, -71.65], [-59.82, -71.68], [-59.85, -71.75], [-59.75, -72.0], [-59.85, -72.25], [-59.75, -72.5], [-59.97, -73.03], [-60.5, -73.25], [-61.03, -73.03], [-61.18, -72.68], [-61.25, -72.65], [-61.5, -72.75], [-62.03, -72.53], [-62.25, -72.0], [-62.15, -71.75], [-62.25, -71.5], [-62.15, -71.25], [-62.25, -71.0], [-62.15, -70.75], [-62.18, -70.68], [-62.53, -70.53], [-62.75, -70.0], [-62.65, -69.75], [-62.68, -69.68], [-62.75, -69.65], [-63.0, -69.75], [-63.53, -69.53], [-63.68, -69.18], [-64.03, -69.03], [-64.25, -68.5], [-64.15, -68.25], [-64.25, -68.0], [-64.15, -67.75], [-64.18, -67.68], [-64.53, -67.53], [-64.75, -67.0], [-64.65, -66.75], [-64.75, -66.5], [-64.53, -65.97]]]]}, "2010-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -65.97], [-64.0, -65.75], [-63.47, -65.97], [-63.32, -66.32], [-63.25, -66.35], [-63.0, -66.25], [-62.75, -66.35], [-62.68, -66.32], [-62.53, -65.97], [-62.18, -65.82], [-62.15, -65.75], [-62.25, -65.5], [-62.03, -64.97], [-61.5, -64.75], [-61.25, -64.85], [-61.0, -64.75], [-60.47, -64.97], [-60.32, -65.32], [-60.25, -65.35], [-60.18, -65.32], [-60.03, -64.97], [-59.68, -64.82], [-59.53, -64.47], [-59.0, -64.25], [-58.75, -64.35], [-58.68, -64.32], [-58.53, -63.97], [-58.0, -63.75], [-57.75, -63.85], [-57.68, -63.82], [-57.53, -63.47], [-57.0, -63.25], [-56.75, -63.35], [-56.5, -63.25], [-56.25, -63.35], [-56.0, -63.25], [-55.47, -63.47], [-55.32, -63.82], [-55.25, -63.85], [-55.0, -63.75], [-54.47, -63.97], [-54.32, -64.32], [-54.25, -64.35], [-54.0, -64.25], [-53.47, -64.47], [-53.32, -64.82], [-52.97, -64.97], [-52.75, -65.5], [-52.97, -66.03], [-53.32, -66.18], [-53.47, -66.53], [-53.82, -66.68], [-53.85, -66.75], [-53.75, -67.0], [-53.97, -67.53], [-54.5, -67.75], [-54.75, -67.65], [-55.0, -67.75], [-55.25, -67.65], [-55.32, -67.68], [-55.47, -68.03], [-56.0, -68.25], [-56.25, -68.15], [-56.5, -68.25], [-56.75, -68.15], [-57.0, -68.25], [-57.25, -68.15], [-57.5, -68.25], [-57.75, -68.15], [-57.82, -68.18], [-57.97, -68.53], [-58.5, -68.75], [-58.75, -68.65], [-59.0, -68.75], [-59.25, -68.65], [-59.5, -68.75], [-59.75, -68.65], [-60.0, -68.75], [-60.25, -68.65], [-60.5, -68.75], [-61.0, -68.54], [-61.37, -68.7], [-61.25, -69.0], [-61.47, -69.53], [-62.0, -69.75], [-62.53, -69.53], [-62.7, -69.12], [-63.0, -69.25], [-63.53, -69.03], [-63.68, -68.68], [-64.03, -68.53], [-64.25, -68.0], [-64.15, -67.75], [-64.18, -67.68], [-64.53, -67.53], [-64.75, -67.0], [-64.65, -66.75], [-64.75, -66.5], [-64.53, -65.97]]]]}, "2010-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -65.97], [-64.0, -65.75], [-63.47, -65.97], [-63.32, -66.32], [-63.25, -66.35], [-63.0, -66.25], [-62.75, -66.35], [-62.68, -66.32], [-62.53, -65.97], [-62.18, -65.82], [-62.15, -65.75], [-62.25, -65.5], [-62.03, -64.97], [-61.5, -64.75], [-61.25, -64.85], [-61.0, -64.75], [-60.47, -64.97], [-60.32, -65.32], [-60.25, -65.35], [-60.18, -65.32], [-60.03, -64.97], [-59.68, -64.82], [-59.53, -64.47], [-59.0, -64.25], [-58.75, -64.35], [-58.68, -64.32], [-58.53, -63.97], [-58.0, -63.75], [-57.75, -63.85], [-57.68, -63.82], [-57.53, -63.47], [-57.0, -63.25], [-56.75, -63.35], [-56.5, -63.25], [-56.25, -63.35], [-56.0, -63.25], [-55.47, -63.47], [-55.32, -63.82], [-55.25, -63.85], [-55.0, -63.75], [-54.47, -63.97], [-54.32, -64.32], [-54.25, -64.35], [-54.0, -64.25], [-53.47, -64.47], [-53.32, -64.82], [-52.97, -64.97], [-52.75, -65.5], [-52.97, -66.03], [-53.32, -66.18], [-53.47, -66.53], [-53.82, -66.68], [-53.85, -66.75], [-53.75, -67.0], [-53.97, -67.53], [-54.5, -67.75], [-54.75, -67.65], [-55.0, -67.75], [-55.25, -67.65], [-55.32, -67.68], [-55.47, -68.03], [-56.0, -68.25], [-56.25, -68.15], [-56.5, -68.25], [-56.75, -68.15], [-57.0, -68.25], [-57.25, -68.15], [-57.5, -68.25], [-57.75, -68.15], [-57.82, -68.18], [-57.97, -68.53], [-58.5, -68.75], [-58.75, -68.65], [-59.0, -68.75], [-59.25, -68.65], [-59.5, -68.75], [-59.75, -68.65], [-60.0, -68.75], [-60.25, -68.65], [-60.5, -68.75], [-61.0, -68.54], [-61.37, -68.7], [-61.25, -69.0], [-61.47, -69.53], [-62.0, -69.75], [-62.53, -69.53], [-62.7, -69.12], [-63.0, -69.25], [-63.53, -69.03], [-63.68, -68.68], [-64.03, -68.53], [-64.25, -68.0], [-64.15, -67.75], [-64.18, -67.68], [-64.53, -67.53], [-64.75, -67.0], [-64.65, -66.75], [-64.75, -66.5], [-64.53, -65.97]]]]}, "2010-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.53, -66.53], [-61.75, -66.0], [-61.53, -65.47], [-61.0, -65.25], [-60.75, -65.35], [-60.5, -65.25], [-60.25, -65.35], [-60.18, -65.32], [-60.03, -64.97], [-59.5, -64.75], [-59.25, -64.85], [-59.0, -64.75], [-58.75, -64.85], [-58.5, -64.75], [-58.25, -64.85], [-58.0, -64.75], [-57.75, -64.85], [-57.68, -64.82], [-57.65, -64.75], [-57.75, -64.5], [-57.65, -64.25], [-57.75, -64.0], [-57.53, -63.47], [-57.0, -63.25], [-56.75, -63.35], [-56.5, -63.25], [-56.25, -63.35], [-56.0, -63.25], [-55.47, -63.47], [-55.32, -63.82], [-55.25, -63.85], [-55.0, -63.75], [-54.47, -63.97], [-54.32, -64.32], [-54.25, -64.35], [-54.0, -64.25], [-53.47, -64.47], [-53.32, -64.82], [-52.97, -64.97], [-52.75, -65.5], [-52.97, -66.03], [-53.32, -66.18], [-53.47, -66.53], [-53.82, -66.68], [-53.97, -67.03], [-54.5, -67.25], [-54.75, -67.15], [-55.0, -67.25], [-55.53, -67.03], [-55.68, -66.68], [-55.75, -66.65], [-56.0, -66.75], [-56.25, -66.65], [-56.5, -66.75], [-56.75, -66.65], [-57.0, -66.75], [-57.53, -66.53], [-57.68, -66.18], [-57.75, -66.15], [-57.82, -66.18], [-57.97, -66.53], [-58.5, -66.75], [-58.75, -66.65], [-59.0, -66.75], [-59.25, -66.65], [-59.32, -66.68], [-59.47, -67.03], [-60.0, -67.25], [-60.53, -67.03], [-60.68, -66.68], [-60.75, -66.65], [-61.0, -66.75], [-61.53, -66.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 19.016377552643775}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 11.87298326913409}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-11.550074577434259, -10.109566748813279, -6.094702799253923, -6.5189497487299946, -6.330010835748396, -5.604005848135444]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-8.554467586733722, -7.079956562473683, -3.3879854205559354, 0.39297428783930854, -1.4892815045274688, -1.8152917504381207]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [9.937528503202, 11.490294143618646, 13.608736376837351, 11.420363898173278, 11.72951610240203, 10.367239084010984]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [14.500284700087377, 16.410857460546367, 19.016377552643775, 13.325533401193752, 15.442436238760052, 12.959166157767186]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5202153788874495, 1.809241213247251, 2.0793350472966177, 1.6477438802823834, 1.717921973273367, 1.550680918941319]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.834356568033851, 2.2651568580030625, 2.8444815697658017, 1.9321933627903736, 2.1715636105328406, 1.7922428336797978]}}