{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:48.906588", "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": "2011-Jun-22_to_2011-Jun-24_226.5_68.5"}, "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": 2011060002736}, "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 22 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 24 2011"}, "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": 51877.91995408801}, "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.W.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": 68.5}, "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": 226.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "226.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 226.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 232.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 65.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-134.25, 68.5], [-134.03, 69.03], [-133.5, 69.25], [-133.25, 69.15], [-133.0, 69.25], [-132.75, 69.15], [-132.5, 69.25], [-132.25, 69.15], [-132.0, 69.25], [-131.75, 69.15], [-131.5, 69.25], [-131.25, 69.15], [-131.0, 69.25], [-130.47, 69.03], [-130.25, 68.5], [-130.35, 68.25], [-130.32, 68.18], [-130.25, 68.15], [-130.0, 68.25], [-129.47, 68.03], [-129.25, 67.5], [-129.35, 67.25], [-129.25, 67.0], [-129.35, 66.75], [-129.32, 66.68], [-129.25, 66.65], [-129.0, 66.75], [-128.47, 66.53], [-128.32, 66.18], [-128.25, 66.15], [-128.0, 66.25], [-127.75, 66.15], [-127.5, 66.25], [-126.97, 66.03], [-126.75, 65.5], [-126.97, 64.97], [-127.5, 64.75], [-127.75, 64.85], [-128.0, 64.75], [-128.25, 64.85], [-128.5, 64.75], [-128.75, 64.85], [-129.0, 64.75], [-129.53, 64.97], [-129.68, 65.32], [-129.75, 65.35], [-130.0, 65.25], [-130.25, 65.35], [-130.5, 65.25], [-130.75, 65.35], [-131.0, 65.25], [-131.25, 65.35], [-131.5, 65.25], [-131.75, 65.35], [-132.0, 65.25], [-132.53, 65.47], [-132.68, 65.82], [-132.75, 65.85], [-133.0, 65.75], [-133.53, 65.97], [-133.75, 66.5], [-133.65, 66.75], [-133.75, 67.0], [-133.65, 67.25], [-133.75, 67.5], [-133.65, 67.75], [-133.68, 67.82], [-134.03, 67.97], [-134.25, 68.5]]]]}, "2011-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-134.25, 68.5], [-134.03, 69.03], [-133.5, 69.25], [-133.25, 69.15], [-133.0, 69.25], [-132.75, 69.15], [-132.5, 69.25], [-132.25, 69.15], [-132.0, 69.25], [-131.75, 69.15], [-131.5, 69.25], [-131.25, 69.15], [-131.0, 69.25], [-130.47, 69.03], [-130.25, 68.5], [-130.35, 68.25], [-130.32, 68.18], [-130.25, 68.15], [-130.0, 68.25], [-129.47, 68.03], [-129.25, 67.5], [-129.35, 67.25], [-129.25, 67.0], [-129.35, 66.75], [-129.32, 66.68], [-129.25, 66.65], [-129.0, 66.75], [-128.47, 66.53], [-128.32, 66.18], [-128.25, 66.15], [-128.0, 66.25], [-127.75, 66.15], [-127.5, 66.25], [-126.97, 66.03], [-126.75, 65.5], [-126.97, 64.97], [-127.5, 64.75], [-127.75, 64.85], [-128.0, 64.75], [-128.25, 64.85], [-128.5, 64.75], [-128.75, 64.85], [-129.0, 64.75], [-129.53, 64.97], [-129.68, 65.32], [-129.75, 65.35], [-130.0, 65.25], [-130.25, 65.35], [-130.5, 65.25], [-130.75, 65.35], [-131.0, 65.25], [-131.25, 65.35], [-131.5, 65.25], [-131.75, 65.35], [-132.0, 65.25], [-132.53, 65.47], [-132.68, 65.82], [-132.75, 65.85], [-133.0, 65.75], [-133.53, 65.97], [-133.75, 66.5], [-133.65, 66.75], [-133.75, 67.0], [-133.65, 67.25], [-133.75, 67.5], [-133.65, 67.75], [-133.68, 67.82], [-134.03, 67.97], [-134.25, 68.5]]]]}, "2011-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-134.25, 68.5], [-134.03, 69.03], [-133.5, 69.25], [-133.25, 69.15], [-133.0, 69.25], [-132.75, 69.15], [-132.5, 69.25], [-132.25, 69.15], [-132.0, 69.25], [-131.75, 69.15], [-131.5, 69.25], [-131.25, 69.15], [-131.0, 69.25], [-130.47, 69.03], [-130.25, 68.5], [-130.35, 68.25], [-130.32, 68.18], [-130.25, 68.15], [-130.0, 68.25], [-129.47, 68.03], [-129.25, 67.5], [-129.35, 67.25], [-129.25, 67.0], [-129.35, 66.75], [-129.32, 66.68], [-129.25, 66.65], [-129.0, 66.75], [-128.47, 66.53], [-128.32, 66.18], [-128.25, 66.15], [-128.0, 66.25], [-127.75, 66.15], [-127.5, 66.25], [-126.97, 66.03], [-126.75, 65.5], [-126.97, 64.97], [-127.5, 64.75], [-127.75, 64.85], [-128.0, 64.75], [-128.25, 64.85], [-128.5, 64.75], [-128.75, 64.85], [-129.0, 64.75], [-129.53, 64.97], [-129.68, 65.32], [-129.75, 65.35], [-130.0, 65.25], [-130.25, 65.35], [-130.5, 65.25], [-130.75, 65.35], [-131.0, 65.25], [-131.25, 65.35], [-131.5, 65.25], [-131.75, 65.35], [-132.0, 65.25], [-132.53, 65.47], [-132.68, 65.82], [-132.75, 65.85], [-133.0, 65.75], [-133.53, 65.97], [-133.75, 66.5], [-133.65, 66.75], [-133.75, 67.0], [-133.65, 67.25], [-133.75, 67.5], [-133.65, 67.75], [-133.68, 67.82], [-134.03, 67.97], [-134.25, 68.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.833356927953048}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.027768045857896}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.74412085340566, 23.10794968475261, 22.118779756298352]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.993058396606273, 24.526744823273305, 23.525509853340793]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.617608520162253, 7.79112718922307, 6.674568428188354]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.575309680254406, 10.833356927953048, 7.9487178778150565]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4901907010759565, 1.697382009012456, 1.458233059924557]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6896020522594615, 2.0672441474618846, 1.5755439449361803]}}