{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:46.670878", "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": "2011-Jun-08_to_2011-Jun-10_309.5_67.5"}, "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": 2011060002134}, "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": "June 08 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 10 2011"}, "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": 51455.32860050321}, "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": ["Greenland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Davis Strait"]}, "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": 67.5}, "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": 309.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.53, 67.53], [-52.0, 67.75], [-51.75, 67.65], [-51.68, 67.68], [-51.53, 68.03], [-51.18, 68.18], [-51.15, 68.25], [-51.25, 68.5], [-51.03, 69.03], [-50.5, 69.25], [-50.25, 69.15], [-50.0, 69.25], [-49.47, 69.03], [-49.32, 68.68], [-48.97, 68.53], [-48.75, 68.0], [-48.85, 67.75], [-48.82, 67.68], [-48.47, 67.53], [-48.25, 67.0], [-48.35, 66.75], [-48.25, 66.5], [-48.35, 66.25], [-48.25, 66.0], [-48.35, 65.75], [-48.32, 65.68], [-47.97, 65.53], [-47.75, 65.0], [-47.97, 64.47], [-48.32, 64.32], [-48.35, 64.25], [-48.32, 64.18], [-47.97, 64.03], [-47.82, 63.68], [-47.47, 63.53], [-47.25, 63.0], [-47.47, 62.47], [-48.0, 62.25], [-48.25, 62.35], [-48.5, 62.25], [-48.75, 62.35], [-49.0, 62.25], [-49.53, 62.47], [-49.75, 63.0], [-49.65, 63.25], [-49.75, 63.5], [-49.65, 63.75], [-49.68, 63.82], [-49.75, 63.85], [-50.0, 63.75], [-50.53, 63.97], [-50.75, 64.5], [-50.54, 65.0], [-50.68, 65.32], [-50.75, 65.35], [-51.0, 65.25], [-51.25, 65.35], [-51.5, 65.25], [-51.75, 65.35], [-52.0, 65.25], [-52.25, 65.35], [-52.5, 65.25], [-53.03, 65.47], [-53.25, 66.0], [-53.03, 66.53], [-52.62, 66.7], [-52.75, 67.0], [-52.53, 67.53]]]]}, "2011-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.53, 67.53], [-52.0, 67.75], [-51.75, 67.65], [-51.68, 67.68], [-51.53, 68.03], [-51.18, 68.18], [-51.15, 68.25], [-51.25, 68.5], [-51.03, 69.03], [-50.5, 69.25], [-50.25, 69.15], [-50.0, 69.25], [-49.47, 69.03], [-49.32, 68.68], [-48.97, 68.53], [-48.75, 68.0], [-48.85, 67.75], [-48.82, 67.68], [-48.47, 67.53], [-48.25, 67.0], [-48.35, 66.75], [-48.25, 66.5], [-48.35, 66.25], [-48.25, 66.0], [-48.35, 65.75], [-48.32, 65.68], [-47.97, 65.53], [-47.75, 65.0], [-47.97, 64.47], [-48.32, 64.32], [-48.35, 64.25], [-48.32, 64.18], [-47.97, 64.03], [-47.82, 63.68], [-47.47, 63.53], [-47.25, 63.0], [-47.47, 62.47], [-48.0, 62.25], [-48.25, 62.35], [-48.5, 62.25], [-48.75, 62.35], [-49.0, 62.25], [-49.53, 62.47], [-49.75, 63.0], [-49.65, 63.25], [-49.75, 63.5], [-49.65, 63.75], [-49.68, 63.82], [-49.75, 63.85], [-50.0, 63.75], [-50.53, 63.97], [-50.75, 64.5], [-50.54, 65.0], [-50.68, 65.32], [-50.75, 65.35], [-51.0, 65.25], [-51.25, 65.35], [-51.5, 65.25], [-51.75, 65.35], [-52.0, 65.25], [-52.25, 65.35], [-52.5, 65.25], [-53.03, 65.47], [-53.25, 66.0], [-53.03, 66.53], [-52.62, 66.7], [-52.75, 67.0], [-52.53, 67.53]]]]}, "2011-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.53, 67.53], [-52.0, 67.75], [-51.75, 67.65], [-51.68, 67.68], [-51.53, 68.03], [-51.18, 68.18], [-51.15, 68.25], [-51.25, 68.5], [-51.03, 69.03], [-50.5, 69.25], [-50.25, 69.15], [-50.0, 69.25], [-49.47, 69.03], [-49.32, 68.68], [-48.97, 68.53], [-48.75, 68.0], [-48.85, 67.75], [-48.82, 67.68], [-48.47, 67.53], [-48.25, 67.0], [-48.35, 66.75], [-48.25, 66.5], [-48.35, 66.25], [-48.25, 66.0], [-48.35, 65.75], [-48.32, 65.68], [-47.97, 65.53], [-47.75, 65.0], [-47.97, 64.47], [-48.32, 64.32], [-48.35, 64.25], [-48.32, 64.18], [-47.97, 64.03], [-47.82, 63.68], [-47.47, 63.53], [-47.25, 63.0], [-47.47, 62.47], [-48.0, 62.25], [-48.25, 62.35], [-48.5, 62.25], [-48.75, 62.35], [-49.0, 62.25], [-49.53, 62.47], [-49.75, 63.0], [-49.65, 63.25], [-49.75, 63.5], [-49.65, 63.75], [-49.68, 63.82], [-49.75, 63.85], [-50.0, 63.75], [-50.53, 63.97], [-50.75, 64.5], [-50.54, 65.0], [-50.68, 65.32], [-50.75, 65.35], [-51.0, 65.25], [-51.25, 65.35], [-51.5, 65.25], [-51.75, 65.35], [-52.0, 65.25], [-52.25, 65.35], [-52.5, 65.25], [-53.03, 65.47], [-53.25, 66.0], [-53.03, 66.53], [-52.62, 66.7], [-52.75, 67.0], [-52.53, 67.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.886204480161723}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.643878623161336}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.024793372815907, 6.465518059342571, 5.685028055462055]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.79608782040134, 14.323795277751572, 14.440789163844272]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.000013636460573, 5.3591487631077745, 4.572473469915663]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.8109770554922875, 6.886204480161723, 6.802983350642478]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3428308742718538, 1.813736818354091, 1.5861334982986925]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7257017889934643, 2.065228846582261, 2.0370147271328434]}}