{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:02.614578", "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-Mar-10_to_2012-Mar-15_167.5_-78.5"}, "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": 2012030002115}, "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 10 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2012"}, "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": 65362.602657982585}, "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": ["E.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": -78.5}, "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": 167.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "167.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 161.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 175.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -79.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -76.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.0, -76.75], [165.25, -76.85], [165.5, -76.75], [165.75, -76.85], [166.0, -76.75], [166.53, -76.97], [166.75, -77.5], [166.63, -77.8], [166.75, -77.85], [167.0, -77.75], [167.25, -77.85], [167.38, -77.8], [167.25, -77.5], [167.47, -76.97], [168.0, -76.75], [168.25, -76.85], [168.5, -76.75], [168.75, -76.85], [168.82, -76.82], [168.97, -76.47], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.25, -76.35], [170.5, -76.25], [170.75, -76.35], [171.0, -76.25], [171.53, -76.47], [171.75, -77.0], [171.53, -77.53], [171.0, -77.75], [171.53, -77.97], [171.75, -78.5], [171.53, -79.03], [171.0, -79.25], [170.75, -79.15], [170.5, -79.25], [170.25, -79.15], [170.0, -79.25], [169.75, -79.15], [169.5, -79.25], [169.25, -79.15], [169.18, -79.18], [169.03, -79.53], [168.5, -79.75], [168.25, -79.65], [168.18, -79.68], [168.03, -80.03], [167.5, -80.25], [166.97, -80.03], [166.82, -79.68], [166.75, -79.65], [166.5, -79.75], [165.97, -79.53], [165.82, -79.18], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.47, -79.03], [164.25, -78.5], [164.46, -78.0], [164.25, -77.5], [164.47, -76.97], [165.0, -76.75]], [[170.75, -77.65], [170.5, -77.75], [170.75, -77.85], [171.0, -77.75], [170.75, -77.65]], [[170.25, -77.65], [170.18, -77.68], [170.13, -77.8], [170.25, -77.85], [170.5, -77.75], [170.25, -77.65]]], [[[161.47, -78.53], [161.25, -78.0], [161.47, -77.47], [162.0, -77.25], [162.53, -77.47], [162.75, -78.0], [162.53, -78.53], [162.0, -78.75], [161.47, -78.53]]]]}, "2012-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.47, -76.97], [162.0, -76.75], [162.25, -76.85], [162.5, -76.75], [162.75, -76.85], [163.0, -76.75], [163.3, -76.87], [163.47, -76.47], [164.0, -76.25], [164.5, -76.46], [165.0, -76.25], [165.25, -76.35], [165.5, -76.25], [166.03, -76.47], [166.18, -76.82], [166.25, -76.85], [166.5, -76.75], [166.75, -76.85], [166.82, -76.82], [166.97, -76.47], [167.5, -76.25], [167.75, -76.35], [168.0, -76.25], [168.25, -76.35], [168.5, -76.25], [168.75, -76.35], [169.0, -76.25], [169.25, -76.35], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.25, -76.35], [170.5, -76.25], [170.75, -76.35], [171.0, -76.25], [171.53, -76.47], [171.68, -76.82], [171.75, -76.85], [172.0, -76.75], [172.25, -76.85], [172.5, -76.75], [173.03, -76.97], [173.25, -77.5], [173.15, -77.75], [173.18, -77.82], [173.53, -77.97], [173.75, -78.5], [173.53, -79.03], [173.18, -79.18], [173.03, -79.53], [172.5, -79.75], [172.25, -79.65], [172.0, -79.75], [171.75, -79.65], [171.5, -79.75], [171.25, -79.65], [171.0, -79.75], [170.75, -79.65], [170.68, -79.68], [170.53, -80.03], [170.0, -80.25], [169.75, -80.15], [169.5, -80.25], [169.25, -80.15], [169.0, -80.25], [168.75, -80.15], [168.5, -80.25], [168.25, -80.15], [168.0, -80.25], [167.75, -80.15], [167.5, -80.25], [166.97, -80.03], [166.82, -79.68], [166.75, -79.65], [166.5, -79.75], [165.97, -79.53], [165.82, -79.18], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.75, -79.15], [164.5, -79.25], [163.97, -79.03], [163.75, -78.5], [163.85, -78.25], [163.82, -78.18], [163.7, -78.12], [163.53, -78.53], [163.0, -78.75], [162.5, -78.54], [162.0, -78.75], [161.47, -78.53], [161.25, -78.0], [161.35, -77.75], [161.25, -77.5], [161.47, -76.97]]]]}, "2012-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.47, -76.97], [162.0, -76.75], [162.25, -76.85], [162.32, -76.82], [162.47, -76.47], [163.0, -76.25], [163.25, -76.35], [163.5, -76.25], [163.75, -76.35], [164.0, -76.25], [164.5, -76.46], [165.0, -76.25], [165.25, -76.35], [165.5, -76.25], [165.75, -76.35], [166.0, -76.25], [166.25, -76.35], [166.5, -76.25], [166.75, -76.35], [167.0, -76.25], [167.25, -76.35], [167.5, -76.25], [167.75, -76.35], [168.0, -76.25], [168.25, -76.35], [168.5, -76.25], [168.75, -76.35], [169.0, -76.25], [169.25, -76.35], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.25, -76.35], [170.5, -76.25], [170.75, -76.35], [171.0, -76.25], [171.53, -76.47], [171.68, -76.82], [171.75, -76.85], [172.0, -76.75], [172.25, -76.85], [172.5, -76.75], [172.75, -76.85], [173.0, -76.75], [173.25, -76.85], [173.5, -76.75], [174.03, -76.97], [174.18, -77.32], [174.25, -77.35], [174.5, -77.25], [174.75, -77.35], [175.0, -77.25], [175.53, -77.47], [175.75, -78.0], [175.53, -78.53], [175.0, -78.75], [174.75, -78.65], [174.5, -78.75], [174.25, -78.65], [174.18, -78.68], [174.03, -79.03], [173.5, -79.25], [173.25, -79.15], [173.18, -79.18], [173.03, -79.53], [172.5, -79.75], [172.25, -79.65], [172.0, -79.75], [171.75, -79.65], [171.5, -79.75], [171.25, -79.65], [171.0, -79.75], [170.75, -79.65], [170.68, -79.68], [170.53, -80.03], [170.0, -80.25], [169.75, -80.15], [169.5, -80.25], [169.25, -80.15], [169.0, -80.25], [168.75, -80.15], [168.5, -80.25], [168.25, -80.15], [168.0, -80.25], [167.75, -80.15], [167.5, -80.25], [166.97, -80.03], [166.82, -79.68], [166.75, -79.65], [166.5, -79.75], [165.97, -79.53], [165.82, -79.18], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.75, -79.15], [164.5, -79.25], [163.97, -79.03], [163.75, -78.5], [163.85, -78.25], [163.82, -78.18], [163.75, -78.15], [163.68, -78.18], [163.53, -78.53], [163.0, -78.75], [162.5, -78.54], [162.0, -78.75], [161.47, -78.53], [161.25, -78.0], [161.35, -77.75], [161.25, -77.5], [161.47, -76.97]]]]}, "2012-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.47, -78.03], [161.25, -77.5], [161.47, -76.97], [162.0, -76.75], [162.25, -76.85], [162.32, -76.82], [162.47, -76.47], [163.0, -76.25], [163.25, -76.35], [163.5, -76.25], [163.75, -76.35], [164.0, -76.25], [164.5, -76.46], [165.0, -76.25], [165.25, -76.35], [165.5, -76.25], [165.75, -76.35], [166.0, -76.25], [166.25, -76.35], [166.5, -76.25], [166.75, -76.35], [167.0, -76.25], [167.25, -76.35], [167.5, -76.25], [167.75, -76.35], [168.0, -76.25], [168.25, -76.35], [168.5, -76.25], [168.75, -76.35], [169.0, -76.25], [169.25, -76.35], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.53, -76.47], [170.68, -76.82], [170.75, -76.85], [171.0, -76.75], [171.25, -76.85], [171.5, -76.75], [171.75, -76.85], [172.0, -76.75], [172.25, -76.85], [172.5, -76.75], [172.75, -76.85], [173.0, -76.75], [173.25, -76.85], [173.5, -76.75], [174.03, -76.97], [174.18, -77.32], [174.25, -77.35], [174.5, -77.25], [174.75, -77.35], [175.0, -77.25], [175.53, -77.47], [175.75, -78.0], [175.53, -78.53], [175.0, -78.75], [174.75, -78.65], [174.5, -78.75], [174.25, -78.65], [174.18, -78.68], [174.03, -79.03], [173.5, -79.25], [173.25, -79.15], [173.18, -79.18], [173.03, -79.53], [172.5, -79.75], [172.25, -79.65], [172.0, -79.75], [171.75, -79.65], [171.5, -79.75], [171.25, -79.65], [171.0, -79.75], [170.75, -79.65], [170.68, -79.68], [170.53, -80.03], [170.0, -80.25], [169.75, -80.15], [169.5, -80.25], [169.25, -80.15], [169.0, -80.25], [168.75, -80.15], [168.5, -80.25], [168.25, -80.15], [168.0, -80.25], [167.75, -80.15], [167.5, -80.25], [166.97, -80.03], [166.82, -79.68], [166.75, -79.65], [166.5, -79.75], [165.97, -79.53], [165.82, -79.18], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.75, -79.15], [164.5, -79.25], [163.97, -79.03], [163.75, -78.5], [163.85, -78.25], [163.82, -78.18], [163.75, -78.15], [163.68, -78.18], [163.53, -78.53], [163.0, -78.75], [162.47, -78.53], [162.32, -78.18], [162.25, -78.15], [162.0, -78.25], [161.47, -78.03]]]]}, "2012-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.75, -77.5], [161.97, -76.97], [162.32, -76.82], [162.47, -76.47], [163.0, -76.25], [163.25, -76.35], [163.5, -76.25], [163.75, -76.35], [164.0, -76.25], [164.5, -76.46], [165.0, -76.25], [165.25, -76.35], [165.5, -76.25], [165.75, -76.35], [166.0, -76.25], [166.25, -76.35], [166.5, -76.25], [166.75, -76.35], [167.0, -76.25], [167.25, -76.35], [167.5, -76.25], [167.75, -76.35], [168.0, -76.25], [168.25, -76.35], [168.5, -76.25], [168.75, -76.35], [169.0, -76.25], [169.25, -76.35], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.53, -76.47], [170.68, -76.82], [170.75, -76.85], [171.0, -76.75], [171.25, -76.85], [171.5, -76.75], [171.75, -76.85], [172.0, -76.75], [172.25, -76.85], [172.5, -76.75], [172.75, -76.85], [173.0, -76.75], [173.25, -76.85], [173.5, -76.75], [174.03, -76.97], [174.18, -77.32], [174.25, -77.35], [174.5, -77.25], [174.75, -77.35], [175.0, -77.25], [175.53, -77.47], [175.75, -78.0], [175.53, -78.53], [175.0, -78.75], [174.75, -78.65], [174.5, -78.75], [174.25, -78.65], [174.18, -78.68], [174.03, -79.03], [173.5, -79.25], [173.25, -79.15], [173.18, -79.18], [173.03, -79.53], [172.5, -79.75], [172.25, -79.65], [172.0, -79.75], [171.75, -79.65], [171.5, -79.75], [171.25, -79.65], [171.0, -79.75], [170.75, -79.65], [170.68, -79.68], [170.53, -80.03], [170.0, -80.25], [169.75, -80.15], [169.5, -80.25], [169.25, -80.15], [169.0, -80.25], [168.75, -80.15], [168.5, -80.25], [168.25, -80.15], [168.0, -80.25], [167.75, -80.15], [167.5, -80.25], [166.97, -80.03], [166.82, -79.68], [166.75, -79.65], [166.5, -79.75], [165.97, -79.53], [165.82, -79.18], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.75, -79.15], [164.5, -79.25], [163.97, -79.03], [163.75, -78.5], [163.85, -78.25], [163.82, -78.18], [163.75, -78.15], [163.68, -78.18], [163.53, -78.53], [163.0, -78.75], [162.47, -78.53], [162.32, -78.18], [161.97, -78.03], [161.75, -77.5]]]]}, "2012-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, -78.03], [162.75, -77.5], [162.97, -76.97], [163.5, -76.75], [163.75, -76.85], [164.0, -76.75], [164.25, -76.85], [164.5, -76.75], [164.75, -76.85], [165.0, -76.75], [165.25, -76.85], [165.32, -76.82], [165.47, -76.47], [166.0, -76.25], [166.25, -76.35], [166.5, -76.25], [166.75, -76.35], [167.0, -76.25], [167.53, -76.47], [167.68, -76.82], [167.75, -76.85], [167.82, -76.82], [167.97, -76.47], [168.5, -76.25], [168.75, -76.35], [169.0, -76.25], [169.25, -76.35], [169.5, -76.25], [169.75, -76.35], [170.0, -76.25], [170.53, -76.47], [170.68, -76.82], [170.75, -76.85], [171.0, -76.75], [171.25, -76.85], [171.5, -76.75], [172.03, -76.97], [172.18, -77.32], [172.53, -77.47], [172.75, -78.0], [172.65, -78.25], [172.75, -78.5], [172.53, -79.03], [172.0, -79.25], [171.75, -79.15], [171.5, -79.25], [171.25, -79.15], [171.18, -79.18], [171.03, -79.53], [170.5, -79.75], [170.25, -79.65], [170.0, -79.75], [169.75, -79.65], [169.5, -79.75], [169.25, -79.65], [169.0, -79.75], [168.75, -79.65], [168.5, -79.75], [168.25, -79.65], [168.0, -79.75], [167.75, -79.65], [167.5, -79.75], [166.97, -79.53], [166.82, -79.18], [166.75, -79.15], [166.5, -79.25], [166.25, -79.15], [166.0, -79.25], [165.75, -79.15], [165.5, -79.25], [165.25, -79.15], [165.0, -79.25], [164.47, -79.03], [164.25, -78.5], [164.38, -78.2], [164.25, -78.15], [164.0, -78.25], [163.75, -78.15], [163.5, -78.25], [162.97, -78.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.09242712628307}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.965462383081908}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-14.900933911057393, -14.048078944464407, -14.990907847677875, -14.433843728008242, -12.627567704910234, -15.13199616069818]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-8.590303193493867, -7.802408521531447, -6.894989840858045, -7.1709099562639835, -5.784738114247091, -7.283570643766268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.768429071685864, 7.800044762793749, 7.081308834948196, 8.053421103416271, 10.136006747064883, 7.082320276988066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.624141302975687, 11.03461017763206, 9.001504567983062, 11.130669130516338, 13.09242712628307, 8.033782658968931]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4737910201801678, 1.9109461037870958, 1.7067770984418575, 1.817223481039078, 2.1868211790358703, 1.5684232298685687]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6861678269588771, 2.3800876015252177, 2.4830466663912465, 2.4026860286256326, 2.526355796673644, 2.1482835135656106]}}