{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:47.528534", "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-08_to_2022-Jul-12_234.0_48.5"}, "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": 2022070001937}, "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 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2022"}, "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": 81151.308153465}, "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", "United States"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": 48.5}, "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": 234.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "234.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 231.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 236.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-125.18, 45.68], [-125.15, 45.75], [-125.25, 46.0], [-125.15, 46.25], [-125.18, 46.32], [-125.53, 46.47], [-125.68, 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[-124.32, 43.82], [-124.47, 43.47], [-125.0, 43.25], [-125.53, 43.47], [-125.75, 44.0], [-125.65, 44.25], [-125.75, 44.5], [-125.65, 44.75], [-125.75, 45.0], [-125.53, 45.53], [-125.18, 45.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America", "W.North-America", "N.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-129.75, 49.0], [-129.53, 49.53], [-129.18, 49.68], [-129.03, 50.03], [-128.5, 50.25], [-128.25, 50.15], [-128.0, 50.25], [-127.47, 50.03], [-127.32, 49.68], [-127.25, 49.65], [-127.0, 49.75], [-126.75, 49.65], [-126.5, 49.75], [-125.97, 49.53], [-125.82, 49.18], [-125.47, 49.03], [-125.25, 48.5], [-125.35, 48.25], [-125.32, 48.18], [-124.97, 48.03], [-124.82, 47.68], [-124.47, 47.53], [-124.25, 47.0], [-124.47, 46.47], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3244674765224242, 1.413728089082035, 1.704019008709367, 1.9887121661477773, 1.8448108499439657]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5225058013991202, 1.910271203860816, 2.190067598835242, 3.4599832270300794, 2.437699503744682]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.418928363996817, 1.4705118052005999, 1.7157062515672352, 1.8931082119703075, 1.6331559635483806]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.645840136904609, 1.7263171515271847, 2.1442577685128645, 2.929867434839704, 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