{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:46.295106", "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-Oct-11_to_2013-Oct-13_271.0_57.5"}, "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": 2013100002036}, "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": "October 11 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 13 2013"}, "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": 147451.56271420952}, "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": 57.5}, "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": 271.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "271.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 268.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 274.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.65, 58.75], [-91.75, 59.0], [-91.53, 59.53], [-91.18, 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53.35], [-87.5, 53.25], [-88.03, 53.47], [-88.18, 53.82], [-88.53, 53.97], [-88.75, 54.5], [-88.65, 54.75], [-88.75, 55.0], [-88.65, 55.25], [-88.68, 55.32], [-88.75, 55.35], [-89.0, 55.25], [-89.53, 55.47], [-89.68, 55.82], [-90.03, 55.97], [-90.18, 56.32], [-90.53, 56.47], [-90.68, 56.82], [-91.03, 56.97], [-91.18, 57.32], [-91.53, 57.47], [-91.75, 58.0], [-91.65, 58.25], [-91.75, 58.5], [-91.65, 58.75]]]]}, "2013-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.65, 58.75], [-91.75, 59.0], [-91.53, 59.53], [-91.18, 59.68], [-91.15, 59.75], [-91.25, 60.0], [-91.03, 60.53], [-90.68, 60.68], [-90.53, 61.03], [-90.0, 61.25], [-89.75, 61.15], [-89.68, 61.18], [-89.65, 61.25], [-89.75, 61.5], [-89.53, 62.03], [-89.0, 62.25], [-88.75, 62.15], [-88.68, 62.18], [-88.53, 62.53], [-88.0, 62.75], [-87.75, 62.65], [-87.5, 62.75], [-86.97, 62.53], [-86.75, 62.0], [-86.97, 61.47], [-87.37, 61.3], [-87.32, 61.18], [-86.97, 61.03], [-86.75, 60.5], [-86.97, 59.97], [-87.32, 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"Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.646918329631944, 14.021573910001564, 9.168355795530658]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.4574480683226794, 6.254134734895176, 4.170798615314708]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.253354165384394, 11.80482502798202, 6.869984235833556]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4718563188443363, 2.6577897526588123, 1.8565874594749876]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7238708597107422, 3.4723545664839137, 2.282411134927093]}}