{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:55.391546", "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": "2022-Jul-18_to_2022-Jul-24_194.0_28.0"}, "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": 2022070002470}, "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": "July 18 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 71768.88848024856}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Pacific Ocean"]}, "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": 28.0}, "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": 194.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "194.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 192.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 195.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-167.75, 25.65], [-167.63, 25.7], [-167.68, 25.82], [-168.03, 25.97], [-168.25, 26.5], [-168.03, 27.03], [-167.62, 27.2], [-167.75, 27.5], [-167.53, 28.03], [-167.18, 28.18], [-167.03, 28.53], [-166.68, 28.68], [-166.53, 29.03], [-166.18, 29.18], [-166.03, 29.53], [-165.5, 29.75], [-165.25, 29.65], [-165.0, 29.75], [-164.47, 29.53], [-164.25, 29.0], [-164.35, 28.75], [-164.25, 28.5], [-164.47, 27.97], [-164.87, 27.8], [-164.75, 27.5], [-164.97, 26.97], [-165.37, 26.8], [-165.25, 26.5], [-165.35, 26.25], [-165.25, 26.0], [-165.47, 25.47], [-165.82, 25.32], [-165.85, 25.25], [-165.75, 25.0], [-165.97, 24.47], [-166.5, 24.25], [-166.75, 24.35], [-166.82, 24.32], [-166.97, 23.97], [-167.32, 23.82], [-167.47, 23.47], [-168.0, 23.25], [-168.53, 23.47], [-168.75, 24.0], [-168.54, 24.5], [-168.75, 25.0], [-168.53, 25.53], [-168.0, 25.75], [-167.75, 25.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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