{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:42.936305", "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-Nov-21_to_2016-Nov-23_315.5_62.5"}, "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": 2016110002410}, "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": "November 21 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 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": 78774.52934134784}, "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": []}, "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": 62.5}, "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": 315.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 312.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 317.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, 64.03], [-47.68, 64.18], [-47.53, 64.53], [-47.18, 64.68], [-47.03, 65.03], [-46.5, 65.25], [-46.25, 65.15], [-46.18, 65.18], [-46.03, 65.53], [-45.5, 65.75], [-45.25, 65.65], [-45.0, 65.75], [-44.75, 65.65], [-44.5, 65.75], [-44.25, 65.65], [-44.0, 65.75], [-43.75, 65.65], [-43.5, 65.75], [-42.97, 65.53], [-42.82, 65.18], [-42.47, 65.03], [-42.32, 64.68], [-41.97, 64.53], [-41.75, 64.0], [-41.97, 63.47], [-42.32, 63.32], [-42.47, 62.97], [-42.82, 62.82], [-42.97, 62.47], [-43.32, 62.32], [-43.35, 62.25], [-43.25, 62.0], [-43.47, 61.47], [-43.82, 61.32], [-43.97, 60.97], [-44.5, 60.75], [-45.03, 60.97], [-45.18, 61.32], [-45.25, 61.35], [-45.5, 61.25], [-45.75, 61.35], [-46.0, 61.25], [-46.25, 61.35], [-46.5, 61.25], [-46.75, 61.35], [-47.0, 61.25], [-47.53, 61.47], [-47.75, 62.0], [-47.65, 62.25], [-47.68, 62.32], [-48.03, 62.47], [-48.25, 63.0], [-48.15, 63.25], [-48.25, 63.5], [-48.03, 64.03]]]]}, "2016-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, 64.03], [-47.68, 64.18], [-47.53, 64.53], [-47.18, 64.68], [-47.03, 65.03], [-46.5, 65.25], [-46.25, 65.15], [-46.18, 65.18], [-46.03, 65.53], [-45.5, 65.75], [-45.25, 65.65], [-45.0, 65.75], [-44.75, 65.65], [-44.5, 65.75], [-44.25, 65.65], [-44.0, 65.75], [-43.75, 65.65], [-43.5, 65.75], [-42.97, 65.53], [-42.82, 65.18], [-42.47, 65.03], [-42.32, 64.68], [-41.97, 64.53], [-41.75, 64.0], [-41.97, 63.47], [-42.32, 63.32], [-42.47, 62.97], [-42.82, 62.82], [-42.97, 62.47], [-43.32, 62.32], [-43.35, 62.25], [-43.25, 62.0], [-43.47, 61.47], [-43.82, 61.32], [-43.97, 60.97], [-44.5, 60.75], [-45.03, 60.97], [-45.18, 61.32], [-45.25, 61.35], [-45.5, 61.25], [-45.75, 61.35], [-46.0, 61.25], [-46.25, 61.35], [-46.5, 61.25], [-46.75, 61.35], [-47.0, 61.25], [-47.53, 61.47], [-47.75, 62.0], [-47.65, 62.25], [-47.68, 62.32], [-48.03, 62.47], [-48.25, 63.0], [-48.15, 63.25], [-48.25, 63.5], [-48.03, 64.03]]]]}, "2016-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, 64.03], [-47.68, 64.18], [-47.53, 64.53], [-47.18, 64.68], [-47.03, 65.03], [-46.5, 65.25], [-46.25, 65.15], [-46.18, 65.18], [-46.03, 65.53], [-45.5, 65.75], [-45.25, 65.65], [-45.0, 65.75], [-44.75, 65.65], [-44.5, 65.75], [-44.25, 65.65], [-44.0, 65.75], [-43.75, 65.65], [-43.5, 65.75], [-42.97, 65.53], [-42.82, 65.18], [-42.47, 65.03], [-42.32, 64.68], [-41.97, 64.53], [-41.75, 64.0], [-41.97, 63.47], [-42.32, 63.32], [-42.47, 62.97], [-42.82, 62.82], [-42.97, 62.47], [-43.32, 62.32], [-43.35, 62.25], [-43.25, 62.0], [-43.47, 61.47], [-43.82, 61.32], [-43.97, 60.97], [-44.5, 60.75], [-45.03, 60.97], [-45.18, 61.32], [-45.25, 61.35], [-45.5, 61.25], [-45.75, 61.35], [-46.0, 61.25], [-46.25, 61.35], [-46.5, 61.25], [-46.75, 61.35], [-47.0, 61.25], [-47.53, 61.47], [-47.75, 62.0], [-47.65, 62.25], [-47.68, 62.32], [-48.03, 62.47], [-48.25, 63.0], [-48.15, 63.25], [-48.25, 63.5], [-48.03, 64.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.8090658196746}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.713785534335674}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-11.292118844633535, -10.020824191189831, -10.361349944982862]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.914811804313047, -5.286429852328752, -5.224539202731876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.812687395715473, 10.26338637407288, 10.065282833218676]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.097125073807291, 11.8090658196746, 11.351309692630196]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.548786449514528, 1.804630537908337, 1.713043292579286]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.904644624375243, 2.307515461346911, 2.2337445529139677]}}