{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:57.426346", "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": "2024-May-10_to_2024-May-14_285.0_53.5"}, "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": 2024050001389}, "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": "May 10 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58701.0373838692}, "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": 53.5}, "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": 285.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 55.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-76.03, 53.97], [-76.25, 54.5], [-76.03, 55.03], [-75.5, 55.25], [-75.25, 55.15], [-75.0, 55.25], [-74.75, 55.15], [-74.5, 55.25], [-74.25, 55.15], [-74.0, 55.25], [-73.75, 55.15], [-73.68, 55.18], [-73.53, 55.53], [-73.0, 55.75], [-72.47, 55.53], [-72.32, 55.18], [-72.25, 55.15], [-72.0, 55.25], [-71.47, 55.03], [-71.25, 54.5], [-71.35, 54.25], [-71.32, 54.18], [-70.97, 54.03], [-70.82, 53.68], [-70.47, 53.53], [-70.25, 53.0], [-70.47, 52.47], [-71.0, 52.25], [-71.3, 52.38], [-71.47, 51.97], [-72.0, 51.75], [-72.5, 51.96], [-72.82, 51.82], [-72.97, 51.47], [-73.5, 51.25], [-74.03, 51.47], [-74.25, 52.0], [-74.15, 52.25], [-74.18, 52.32], [-74.25, 52.35], [-74.32, 52.32], [-74.47, 51.97], [-75.0, 51.75], [-75.53, 51.97], [-75.75, 52.5], [-75.54, 53.0], [-75.75, 53.5], [-75.62, 53.8], [-76.03, 53.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-10T11:30:00.000000000": 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"The daily evolution of maximum t2m anomalies.", "value": [6.448333603802894, 8.790982746422685, 10.732709162771698, 9.737228900030686, 5.494056556177497]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4010758211074885, 1.5453251280499476, 1.8522100191670883, 1.561991399936805, 1.2084950636339646]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4617683130906554, 1.8944386071145536, 2.1907965290413864, 1.900459286753057, 1.2084950636339646]}}