{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:41.773809", "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-30_to_2016-Feb-01_195.0_59.0"}, "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": 2016010002429}, "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 30 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 01 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": 103957.9182962252}, "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": 59.0}, "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": 195.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "195.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 191.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 201.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.25}, "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": {"2016-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.75, 58.5], [-168.53, 59.03], [-168.18, 59.18], [-168.03, 59.53], [-167.5, 59.75], [-167.25, 59.65], [-167.0, 59.75], [-166.75, 59.65], [-166.5, 59.75], [-166.25, 59.65], [-166.0, 59.75], [-165.75, 59.65], [-165.5, 59.75], [-165.25, 59.65], [-165.0, 59.75], [-164.75, 59.65], [-164.5, 59.75], [-164.25, 59.65], [-164.0, 59.75], [-163.75, 59.65], [-163.5, 59.75], [-163.25, 59.65], [-163.18, 59.68], [-163.03, 60.03], [-162.5, 60.25], [-162.25, 60.15], [-162.0, 60.25], [-161.47, 60.03], [-161.32, 59.68], [-160.97, 59.53], [-160.82, 59.18], [-160.75, 59.15], [-160.5, 59.25], [-160.25, 59.15], [-160.0, 59.25], [-159.5, 59.04], [-159.0, 59.25], [-158.47, 59.03], [-158.32, 58.68], [-157.97, 58.53], [-157.75, 58.0], [-157.97, 57.47], [-158.32, 57.32], [-158.47, 56.97], [-159.0, 56.75], [-159.25, 56.85], [-159.5, 56.75], [-159.75, 56.85], [-160.0, 56.75], [-160.25, 56.85], [-160.5, 56.75], [-160.75, 56.85], [-161.0, 56.75], [-161.25, 56.85], [-161.5, 56.75], [-161.75, 56.85], [-162.0, 56.75], [-162.25, 56.85], [-162.5, 56.75], [-162.75, 56.85], [-163.0, 56.75], [-163.25, 56.85], [-163.5, 56.75], [-163.75, 56.85], [-164.0, 56.75], [-164.5, 56.96], [-165.0, 56.75], [-165.53, 56.97], [-165.68, 57.32], [-165.75, 57.35], [-166.0, 57.25], [-166.25, 57.35], [-166.5, 57.25], [-166.75, 57.35], [-167.0, 57.25], [-167.25, 57.35], [-167.5, 57.25], [-168.03, 57.47], [-168.18, 57.82], [-168.53, 57.97], [-168.75, 58.5]]]]}, "2016-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.75, 58.5], [-168.53, 59.03], [-168.18, 59.18], [-168.03, 59.53], [-167.5, 59.75], [-167.25, 59.65], [-167.0, 59.75], [-166.75, 59.65], [-166.5, 59.75], [-166.25, 59.65], [-166.0, 59.75], [-165.75, 59.65], [-165.5, 59.75], [-165.25, 59.65], [-165.0, 59.75], [-164.75, 59.65], [-164.5, 59.75], [-164.25, 59.65], [-164.0, 59.75], [-163.75, 59.65], [-163.5, 59.75], [-163.25, 59.65], [-163.18, 59.68], [-163.03, 60.03], [-162.5, 60.25], [-162.25, 60.15], [-162.0, 60.25], [-161.47, 60.03], [-161.32, 59.68], [-160.97, 59.53], [-160.82, 59.18], [-160.75, 59.15], [-160.5, 59.25], [-160.25, 59.15], [-160.0, 59.25], [-159.5, 59.04], [-159.0, 59.25], [-158.47, 59.03], [-158.32, 58.68], [-157.97, 58.53], [-157.75, 58.0], [-157.97, 57.47], [-158.32, 57.32], [-158.47, 56.97], [-159.0, 56.75], [-159.25, 56.85], [-159.5, 56.75], [-159.75, 56.85], [-160.0, 56.75], [-160.25, 56.85], [-160.5, 56.75], [-160.75, 56.85], [-161.0, 56.75], [-161.25, 56.85], [-161.5, 56.75], [-161.75, 56.85], [-162.0, 56.75], [-162.25, 56.85], [-162.5, 56.75], [-162.75, 56.85], [-163.0, 56.75], [-163.25, 56.85], [-163.5, 56.75], [-163.75, 56.85], [-164.0, 56.75], [-164.5, 56.96], [-165.0, 56.75], [-165.53, 56.97], [-165.68, 57.32], [-165.75, 57.35], [-166.0, 57.25], [-166.25, 57.35], [-166.5, 57.25], [-166.75, 57.35], [-167.0, 57.25], [-167.25, 57.35], [-167.5, 57.25], [-168.03, 57.47], [-168.18, 57.82], [-168.53, 57.97], [-168.75, 58.5]]]]}, "2016-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.75, 58.5], [-168.53, 59.03], [-168.18, 59.18], 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3.1664679670901705]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [9.465570894576224, 9.703693249152767, 8.585106745605778]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.409679237892306, 14.388902671811877, 11.55045667202478]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.232256033227686, 1.2673121065594586, 1.1394791414937686]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3729332575998685, 1.4319152110660678, 1.3269743592389194]}}