{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:28.518859", "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-Aug-05_to_2022-Aug-07_226.0_76.0"}, "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": 2022080001778}, "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": "August 05 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2022"}, "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": 61901.61672044924}, "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": ["Canada"]}, "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": ["Arctic 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": 76.0}, "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": 226.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "226.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 216.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 231.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 74.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 76.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-144.25, 76.5], [-144.03, 77.03], [-143.5, 77.25], [-143.25, 77.15], [-143.0, 77.25], [-142.75, 77.15], [-142.5, 77.25], 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75.75], [-144.03, 75.97], [-144.25, 76.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arctic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-143.5, 75.75], [-144.03, 75.97], [-144.25, 76.5], [-144.03, 77.03], [-143.5, 77.25], [-143.25, 77.15], [-143.0, 77.25], [-142.75, 77.15], [-142.5, 77.25], [-142.25, 77.15], [-142.0, 77.25], [-141.75, 77.15], [-141.5, 77.25], [-141.25, 77.15], [-141.0, 77.25], [-140.75, 77.15], [-140.5, 77.25], [-140.25, 77.15], [-140.0, 77.25], [-139.75, 77.15], [-139.5, 77.25], [-139.25, 77.15], [-139.0, 77.25], [-138.75, 77.15], [-138.5, 77.25], [-138.25, 77.15], [-138.0, 77.25], [-137.75, 77.15], [-137.5, 77.25], [-137.25, 77.15], [-137.0, 77.25], [-136.75, 77.15], [-136.5, 77.25], [-136.25, 77.15], [-136.0, 77.25], [-135.75, 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anomalies.", "value": [1.2670793923519454, 3.0842693215882377, 2.2411741588246628]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4416155018734178, 3.5162319849505814, 2.4459422501300465]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.884865319696753, 4.123065165083385, 3.4698972228514924]}}