{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:44.047605", "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": "2019-Oct-11_to_2019-Oct-13_302.5_52.5"}, "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": 2019100001879}, "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 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 13 2019"}, "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": 66239.96448658546}, "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": []}, "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": 52.5}, "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": 302.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, 52.53], [-61.5, 52.75], [-61.2, 52.62], [-61.03, 53.03], [-60.68, 53.18], [-60.53, 53.53], [-60.18, 53.68], [-60.03, 54.03], [-59.5, 54.25], [-59.25, 54.15], [-59.0, 54.25], [-58.75, 54.15], [-58.5, 54.25], [-58.25, 54.15], [-58.0, 54.25], [-57.47, 54.03], [-57.25, 53.5], [-57.37, 53.2], [-57.25, 53.15], [-57.0, 53.25], [-56.75, 53.15], [-56.5, 53.25], [-55.97, 53.03], [-55.75, 52.5], [-55.85, 52.25], [-55.75, 52.0], [-55.97, 51.47], [-56.5, 51.25], [-56.75, 51.35], [-57.0, 51.25], [-57.25, 51.35], [-57.5, 51.25], [-57.75, 51.35], [-58.0, 51.25], [-58.25, 51.35], [-58.32, 51.32], [-58.47, 50.97], [-58.82, 50.82], [-58.97, 50.47], [-59.5, 50.25], [-59.75, 50.35], [-60.0, 50.25], [-60.25, 50.35], [-60.5, 50.25], [-61.03, 50.47], [-61.18, 50.82], [-61.25, 50.85], [-61.5, 50.75], [-62.03, 50.97], [-62.25, 51.5], [-62.15, 51.75], [-62.25, 52.0], [-62.03, 52.53]]]]}, "2019-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, 52.53], [-61.5, 52.75], [-61.2, 52.62], [-61.03, 53.03], [-60.68, 53.18], [-60.53, 53.53], [-60.18, 53.68], [-60.03, 54.03], [-59.5, 54.25], [-59.25, 54.15], [-59.0, 54.25], [-58.75, 54.15], [-58.5, 54.25], [-58.25, 54.15], [-58.0, 54.25], [-57.47, 54.03], [-57.25, 53.5], [-57.37, 53.2], [-57.25, 53.15], [-57.0, 53.25], [-56.75, 53.15], [-56.5, 53.25], [-55.97, 53.03], [-55.75, 52.5], [-55.85, 52.25], [-55.75, 52.0], [-55.97, 51.47], [-56.5, 51.25], [-56.75, 51.35], [-57.0, 51.25], [-57.25, 51.35], [-57.5, 51.25], [-57.75, 51.35], [-58.0, 51.25], [-58.25, 51.35], [-58.32, 51.32], [-58.47, 50.97], [-58.82, 50.82], [-58.97, 50.47], [-59.5, 50.25], [-59.75, 50.35], [-60.0, 50.25], [-60.25, 50.35], [-60.5, 50.25], [-61.03, 50.47], [-61.18, 50.82], [-61.25, 50.85], [-61.5, 50.75], [-62.03, 50.97], [-62.25, 51.5], [-62.15, 51.75], [-62.25, 52.0], [-62.03, 52.53]]]]}, "2019-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, 52.53], [-61.5, 52.75], [-61.2, 52.62], [-61.03, 53.03], [-60.68, 53.18], [-60.53, 53.53], [-60.18, 53.68], [-60.03, 54.03], [-59.5, 54.25], [-59.25, 54.15], [-59.0, 54.25], [-58.75, 54.15], [-58.5, 54.25], [-58.25, 54.15], [-58.0, 54.25], [-57.47, 54.03], [-57.25, 53.5], [-57.37, 53.2], [-57.25, 53.15], [-57.0, 53.25], [-56.75, 53.15], [-56.5, 53.25], [-55.97, 53.03], [-55.75, 52.5], [-55.85, 52.25], [-55.75, 52.0], [-55.97, 51.47], [-56.5, 51.25], [-56.75, 51.35], [-57.0, 51.25], [-57.25, 51.35], [-57.5, 51.25], [-57.75, 51.35], [-58.0, 51.25], [-58.25, 51.35], [-58.32, 51.32], [-58.47, 50.97], [-58.82, 50.82], [-58.97, 50.47], [-59.5, 50.25], [-59.75, 50.35], [-60.0, 50.25], [-60.25, 50.35], [-60.5, 50.25], [-61.03, 50.47], [-61.18, 50.82], [-61.25, 50.85], [-61.5, 50.75], [-62.03, 50.97], [-62.25, 51.5], [-62.15, 51.75], [-62.25, 52.0], [-62.03, 52.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.641736925473765}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.977670661688886}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.992855649595981, 9.657869592163422, 9.202327309506416]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.207469339466684, 11.486045392784092, 11.253650794114321]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.23882615683832, 6.0621110810203085, 5.632074747208031]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.641736925473765, 7.459432473923357, 6.641454801898135]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9727059734337322, 1.938437446849997, 1.8329873747209138]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3711914264300726, 2.3912029314494605, 2.086547581363645]}}