{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:57.391445", "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-Mar-11_to_2016-Mar-14_198.0_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": 2016030001476}, "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": "March 11 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 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": 65563.62777715387}, "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": 198.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "198.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 194.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 202.25}, "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": 59.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-164.68, 58.18], [-164.53, 58.53], [-164.0, 58.75], [-163.75, 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[-165.18, 57.68], [-165.03, 58.03], [-164.68, 58.18]]]]}, "2016-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-164.68, 58.18], [-164.53, 58.53], [-164.0, 58.75], [-163.75, 58.65], [-163.68, 58.68], [-163.53, 59.03], [-163.18, 59.18], [-163.03, 59.53], [-162.5, 59.75], [-162.25, 59.65], [-162.0, 59.75], [-161.75, 59.65], [-161.5, 59.75], [-161.0, 59.54], [-160.5, 59.75], [-159.97, 59.53], [-159.82, 59.18], [-159.75, 59.15], [-159.5, 59.25], [-158.97, 59.03], [-158.82, 58.68], [-158.75, 58.65], [-158.5, 58.75], [-158.25, 58.65], [-158.0, 58.75], [-157.47, 58.53], [-157.25, 58.0], [-157.47, 57.47], [-158.0, 57.25], [-158.25, 57.35], [-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], [-162.32, 56.82], [-162.47, 56.47], [-163.0, 56.25], [-163.25, 56.35], [-163.5, 56.25], [-164.03, 56.47], [-164.18, 56.82], [-164.25, 56.85], [-164.32, 56.82], [-164.47, 56.47], [-165.0, 56.25], [-165.53, 56.47], [-165.75, 57.0], [-165.53, 57.53], [-165.18, 57.68], [-165.03, 58.03], [-164.68, 58.18]]]]}, "2016-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-164.68, 58.18], [-164.53, 58.53], [-164.0, 58.75], [-163.75, 58.65], [-163.68, 58.68], [-163.53, 59.03], [-163.18, 59.18], [-163.03, 59.53], [-162.5, 59.75], [-162.25, 59.65], [-162.0, 59.75], [-161.75, 59.65], [-161.5, 59.75], [-161.0, 59.54], [-160.5, 59.75], [-159.97, 59.53], [-159.82, 59.18], [-159.75, 59.15], [-159.5, 59.25], [-158.97, 59.03], [-158.82, 58.68], [-158.75, 58.65], [-158.5, 58.75], [-158.25, 58.65], [-158.0, 58.75], [-157.47, 58.53], [-157.25, 58.0], [-157.47, 57.47], [-158.0, 57.25], [-158.25, 57.35], [-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], 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