{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:30.938423", "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": "2023-Jul-04_to_2023-Jul-06_227.5_78.5"}, "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": 2023070001414}, "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 04 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2023"}, "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": 76534.17259318201}, "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": []}, "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": 78.5}, "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": 227.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "227.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 218.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 233.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 77.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 79.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-142.25, 77.5], [-142.03, 78.03], [-141.5, 78.25], [-141.25, 78.15], [-141.0, 78.25], [-140.75, 78.15], [-140.5, 78.25], [-140.25, 78.15], [-140.18, 78.18], [-140.12, 78.3], [-140.53, 78.47], [-140.75, 79.0], [-140.53, 79.53], [-140.0, 79.75], [-139.75, 79.65], [-139.5, 79.75], [-139.25, 79.65], [-139.0, 79.75], [-138.75, 79.65], [-138.68, 79.68], [-138.53, 80.03], [-138.0, 80.25], [-137.75, 80.15], [-137.5, 80.25], [-137.25, 80.15], [-137.0, 80.25], [-136.75, 80.15], [-136.5, 80.25], [-136.25, 80.15], [-136.0, 80.25], [-135.75, 80.15], [-135.5, 80.25], [-135.25, 80.15], [-135.0, 80.25], [-134.75, 80.15], [-134.5, 80.25], [-134.25, 80.15], [-134.0, 80.25], [-133.75, 80.15], [-133.5, 80.25], [-133.25, 80.15], [-133.0, 80.25], [-132.75, 80.15], [-132.5, 80.25], [-132.25, 80.15], [-132.0, 80.25], [-131.75, 80.15], [-131.5, 80.25], [-131.25, 80.15], [-131.0, 80.25], [-130.75, 80.15], [-130.5, 80.25], [-130.25, 80.15], [-130.0, 80.25], [-129.47, 80.03], [-129.32, 79.68], [-129.25, 79.65], [-129.0, 79.75], [-128.75, 79.65], [-128.5, 79.75], [-128.25, 79.65], [-128.0, 79.75], [-127.75, 79.65], [-127.5, 79.75], 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1506028065750038}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.5732582483162219, 2.6368151863354115, 1.7467459429957444]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.734653345809761, 2.916082173413429, 2.269897322612337]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7425784809768063, 1.8034385241014323, 0.9057914146467727]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9154890742071871, 2.0190716098204007, 1.396526924069235]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.671147740720909, 3.953767844097718, 2.001174030356122]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.076280512367772, 4.348050712230737, 3.0314046593315926]}}