{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:41.062920", "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-Jan-24_to_2016-Jan-27_201.0_58.0"}, "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": 2016010002138}, "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": "January 24 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 27 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 50524.12827477014}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "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": ["Bering Sea"]}, "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": 58.0}, "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": 201.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "201.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 196.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 204.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 56.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 59.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-161.03, 56.97], [-161.25, 57.5], [-161.03, 58.03], [-160.5, 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[-161.25, 57.35], [-161.5, 57.25], [-161.75, 57.35], [-162.0, 57.25], [-162.25, 57.35], [-162.5, 57.25], [-162.75, 57.35], [-163.0, 57.25], [-163.53, 57.47], [-163.68, 57.82], [-164.03, 57.97], [-164.25, 58.5]]]]}, "2016-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-164.25, 58.5], [-164.03, 59.03], [-163.5, 59.25], [-163.25, 59.15], [-163.0, 59.25], [-162.75, 59.15], [-162.5, 59.25], [-162.25, 59.15], [-162.0, 59.25], [-161.75, 59.15], [-161.5, 59.25], [-160.97, 59.03], [-160.82, 58.68], [-160.75, 58.65], [-160.5, 58.75], [-160.25, 58.65], [-160.0, 58.75], [-159.5, 58.54], [-159.0, 58.75], [-158.75, 58.65], [-158.68, 58.68], [-158.53, 59.03], [-158.12, 59.2], [-158.25, 59.5], [-158.03, 60.03], [-157.5, 60.25], [-157.25, 60.15], [-157.0, 60.25], [-156.47, 60.03], [-156.32, 59.68], [-156.25, 59.65], [-156.0, 59.75], [-155.47, 59.53], [-155.25, 59.0], [-155.47, 58.47], [-156.0, 58.25], [-156.25, 58.35], [-156.37, 58.3], [-156.25, 58.0], [-156.35, 57.75], 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4.218073300843969, 3.9002819246213107, 2.5117391472395525]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.786816410540744, 8.864825711094468, 8.88598581704143, 7.923694474027426]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.134549459863024, 12.844853051475866, 12.873753315769704, 8.801130444294984]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0856824493817776, 1.1441610569745622, 1.130320437696111, 1.096515236536828]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2460254581259798, 1.3013923455432255, 1.2879192043173118, 1.1524786833613592]}}