{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:45.023427", "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": "2013-Jun-20_to_2013-Jun-23_268.5_59.0"}, "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": 2013060002448}, "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": "June 20 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 114274.40768941166}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Hudson Bay"]}, "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": 59.0}, "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": 268.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "268.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 264.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 270.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.25, 60.5], [-95.03, 61.03], [-94.68, 61.18], [-94.53, 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61.68], [-94.03, 62.03], [-93.68, 62.18], [-93.53, 62.53], [-93.18, 62.68], [-93.03, 63.03], [-92.5, 63.25], [-91.97, 63.03], [-91.75, 62.5], [-91.85, 62.25], [-91.82, 62.18], [-91.75, 62.15], [-91.5, 62.25], [-91.25, 62.15], [-91.0, 62.25], [-90.75, 62.15], [-90.5, 62.25], [-89.97, 62.03], [-89.82, 61.68], [-89.47, 61.53], [-89.25, 61.0], [-89.46, 60.5], [-89.25, 60.0], [-89.47, 59.47], [-89.82, 59.32], [-89.85, 59.25], [-89.75, 59.0], [-89.96, 58.5], [-89.75, 58.0], [-89.97, 57.47], [-90.5, 57.25], [-90.75, 57.35], [-90.82, 57.32], [-90.97, 56.97], [-91.5, 56.75], [-91.75, 56.85], [-92.0, 56.75], [-92.53, 56.97], [-92.68, 57.32], [-93.03, 57.47], [-93.18, 57.82], [-93.53, 57.97], [-93.68, 58.32], [-93.75, 58.35], [-94.0, 58.25], [-94.25, 58.35], [-94.5, 58.25], [-95.03, 58.47], [-95.25, 59.0], [-95.15, 59.25], [-95.18, 59.32], [-95.53, 59.47], [-95.75, 60.0], [-95.65, 60.25], [-95.75, 60.5], [-95.54, 61.0], [-95.68, 61.32], [-96.03, 61.47], [-96.25, 62.0]]]]}, "2013-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.25, 62.0], [-96.03, 62.53], [-95.5, 62.75], [-95.25, 62.65], [-95.0, 62.75], [-94.47, 62.53], [-94.25, 62.0], [-94.35, 61.75], [-94.32, 61.68], [-94.25, 61.65], [-94.18, 61.68], [-94.03, 62.03], [-93.68, 62.18], [-93.53, 62.53], [-93.18, 62.68], [-93.03, 63.03], [-92.5, 63.25], [-91.97, 63.03], [-91.75, 62.5], [-91.85, 62.25], [-91.82, 62.18], [-91.75, 62.15], [-91.5, 62.25], [-91.25, 62.15], [-91.0, 62.25], [-90.75, 62.15], [-90.5, 62.25], [-89.97, 62.03], [-89.82, 61.68], [-89.47, 61.53], [-89.25, 61.0], [-89.46, 60.5], [-89.25, 60.0], [-89.47, 59.47], [-89.82, 59.32], [-89.85, 59.25], [-89.75, 59.0], [-89.96, 58.5], [-89.75, 58.0], [-89.97, 57.47], [-90.5, 57.25], [-90.75, 57.35], [-90.82, 57.32], [-90.97, 56.97], [-91.5, 56.75], [-91.75, 56.85], [-92.0, 56.75], [-92.53, 56.97], [-92.68, 57.32], [-93.03, 57.47], [-93.18, 57.82], [-93.53, 57.97], [-93.68, 58.32], [-93.75, 58.35], [-94.0, 58.25], [-94.25, 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16.73887177826117, 19.40265359827754, 19.15272066963115]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7831106422468617, 4.141057469343674, 5.246206929792492, 4.783732965541305]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.011482072365311, 6.748814241649086, 9.610835163497029, 9.69168574286391]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7773637756532545, 2.239557732070266, 2.716647683262202, 2.2805227152931997]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2148174089507937, 2.971446043095325, 3.634015018221703, 3.384682767489629]}}