{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:20.812019", "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": "2016-Sep-23_to_2016-Sep-25_147.0_-1.5"}, "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": 2016090002443}, "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 23 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 25 2016"}, "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": 108133.2393671131}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Bismarck Sea", "South Pacific 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": -1.5}, "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": 147.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 150.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, 0.0], [144.97, 0.53], [145.5, 0.75], [145.75, 0.65], [146.0, 0.75], [146.53, 0.53], [146.68, 0.18], [146.75, 0.15], [147.0, 0.25], [147.53, 0.03], [147.68, -0.32], [147.75, -0.35], [148.0, -0.25], [148.25, -0.35], [148.5, -0.25], [148.75, -0.35], [149.0, -0.25], [149.25, -0.35], [149.5, -0.25], [150.03, -0.47], [150.25, -1.0], [150.15, -1.25], [150.25, -1.5], [150.15, -1.75], [150.25, -2.0], [150.15, -2.25], [150.18, -2.32], [150.53, -2.47], [150.75, -3.0], [150.53, -3.53], [150.0, -3.75], [149.75, -3.65], [149.5, -3.75], [149.25, -3.65], [149.0, -3.75], [148.75, -3.65], [148.5, -3.75], [147.97, -3.53], [147.82, -3.18], [147.75, -3.15], [147.5, -3.25], [146.97, -3.03], [146.82, -2.68], [146.47, -2.53], [146.32, -2.18], [145.97, -2.03], [145.82, -1.68], [145.47, -1.53], [145.25, -1.0], [145.35, -0.75], [145.32, -0.68], [144.97, -0.53], [144.75, 0.0]]]]}, "2016-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, 0.0], [144.97, 0.53], [145.5, 0.75], [145.75, 0.65], [146.0, 0.75], [146.53, 0.53], [146.68, 0.18], [146.75, 0.15], [147.0, 0.25], [147.53, 0.03], [147.68, -0.32], [147.75, -0.35], [148.0, -0.25], [148.25, -0.35], [148.5, -0.25], [148.75, -0.35], [149.0, -0.25], [149.25, -0.35], [149.5, -0.25], [150.03, -0.47], [150.25, -1.0], [150.15, -1.25], [150.25, -1.5], [150.15, -1.75], [150.25, -2.0], [150.15, -2.25], [150.18, -2.32], [150.53, -2.47], [150.75, -3.0], [150.53, -3.53], [150.0, -3.75], [149.75, -3.65], [149.5, -3.75], [149.25, -3.65], [149.0, -3.75], [148.75, -3.65], [148.5, -3.75], [147.97, -3.53], [147.82, -3.18], [147.75, -3.15], [147.5, -3.25], [146.97, -3.03], [146.82, -2.68], [146.47, -2.53], [146.32, -2.18], [145.97, -2.03], [145.82, -1.68], [145.47, -1.53], [145.25, -1.0], [145.35, -0.75], [145.32, -0.68], [144.97, -0.53], [144.75, 0.0]]]]}, "2016-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, 0.0], [144.97, 0.53], [145.5, 0.75], [145.75, 0.65], [146.0, 0.75], [146.53, 0.53], [146.68, 0.18], [146.75, 0.15], [147.0, 0.25], [147.53, 0.03], [147.68, -0.32], [147.75, -0.35], [148.0, -0.25], [148.25, -0.35], [148.5, -0.25], [148.75, -0.35], [149.0, -0.25], [149.25, -0.35], [149.5, -0.25], [150.03, -0.47], [150.25, -1.0], [150.15, -1.25], [150.25, -1.5], [150.15, -1.75], [150.25, -2.0], [150.15, -2.25], [150.18, -2.32], [150.53, -2.47], [150.75, -3.0], [150.53, -3.53], [150.0, -3.75], [149.75, -3.65], [149.5, -3.75], [149.25, -3.65], [149.0, -3.75], [148.75, -3.65], [148.5, -3.75], [147.97, -3.53], [147.82, -3.18], [147.75, -3.15], [147.5, -3.25], [146.97, -3.03], [146.82, -2.68], [146.47, -2.53], [146.32, -2.18], [145.97, -2.03], [145.82, -1.68], [145.47, -1.53], [145.25, -1.0], [145.35, -0.75], [145.32, -0.68], [144.97, -0.53], [144.75, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1285098673664606}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5788450321247236}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.60707516746868, 28.95039752637217, 28.715633205099664]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.948360365532494, 29.340722308530644, 29.385504107338193]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4470926611504622, 1.7788519313296773, 1.5105905038940315]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7952364215225884, 2.0938097844949652, 2.1285098673664606]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.1676888441013653, 2.7194334331009955, 2.27231201153419]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6324566825685625, 3.258302066664043, 3.213573204218225]}}