{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:26.415244", "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": "2024-Mar-19_to_2024-Mar-21_194.0_59.5"}, "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": 2024030001520}, "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": "March 19 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 21 2024"}, "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": 57170.58358303552}, "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": ["United States"]}, "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": ["Bering Sea"]}, "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": 59.5}, "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": 194.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "194.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 191.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 197.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.53, 60.53], [-168.0, 60.75], [-167.75, 60.65], [-167.5, 60.75], [-167.25, 60.65], [-167.0, 60.75], [-166.75, 60.65], [-166.5, 60.75], [-166.25, 60.65], [-166.0, 60.75], [-165.75, 60.65], [-165.5, 60.75], [-165.25, 60.65], [-165.0, 60.75], [-164.47, 60.53], [-164.32, 60.18], [-163.97, 60.03], [-163.82, 59.68], [-163.47, 59.53], [-163.32, 59.18], [-163.25, 59.15], [-163.0, 59.25], [-162.47, 59.03], [-162.25, 58.5], [-162.47, 57.97], [-162.82, 57.82], [-162.97, 57.47], [-163.5, 57.25], [-163.75, 57.35], [-164.0, 57.25], [-164.25, 57.35], [-164.5, 57.25], [-165.03, 57.47], [-165.18, 57.82], [-165.25, 57.85], [-165.5, 57.75], [-165.75, 57.85], [-166.0, 57.75], [-166.25, 57.85], [-166.5, 57.75], [-166.75, 57.85], [-167.0, 57.75], [-167.25, 57.85], [-167.5, 57.75], [-168.03, 57.97], [-168.25, 58.5], [-168.15, 58.75], [-168.18, 58.82], [-168.53, 58.97], [-168.75, 59.5], [-168.65, 59.75], [-168.75, 60.0], [-168.53, 60.53]]]]}, "2024-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.53, 60.53], [-168.0, 60.75], [-167.75, 60.65], [-167.5, 60.75], [-167.25, 60.65], [-167.0, 60.75], [-166.75, 60.65], [-166.5, 60.75], [-166.25, 60.65], [-166.0, 60.75], [-165.75, 60.65], [-165.5, 60.75], [-165.25, 60.65], [-165.0, 60.75], [-164.47, 60.53], [-164.32, 60.18], [-163.97, 60.03], [-163.82, 59.68], [-163.47, 59.53], [-163.32, 59.18], [-163.25, 59.15], [-163.0, 59.25], [-162.47, 59.03], [-162.25, 58.5], [-162.47, 57.97], [-162.82, 57.82], [-162.97, 57.47], [-163.5, 57.25], [-163.75, 57.35], [-164.0, 57.25], [-164.25, 57.35], [-164.5, 57.25], [-165.03, 57.47], [-165.18, 57.82], [-165.25, 57.85], [-165.5, 57.75], [-165.75, 57.85], [-166.0, 57.75], [-166.25, 57.85], [-166.5, 57.75], [-166.75, 57.85], [-167.0, 57.75], [-167.25, 57.85], [-167.5, 57.75], [-168.03, 57.97], [-168.25, 58.5], [-168.15, 58.75], [-168.18, 58.82], [-168.53, 58.97], [-168.75, 59.5], [-168.65, 59.75], [-168.75, 60.0], [-168.53, 60.53]]]]}, "2024-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-168.53, 60.53], [-168.0, 60.75], [-167.75, 60.65], [-167.5, 60.75], [-167.25, 60.65], [-167.0, 60.75], [-166.75, 60.65], [-166.5, 60.75], [-166.25, 60.65], [-166.0, 60.75], [-165.75, 60.65], [-165.5, 60.75], [-165.25, 60.65], [-165.0, 60.75], [-164.47, 60.53], [-164.32, 60.18], [-163.97, 60.03], [-163.82, 59.68], [-163.47, 59.53], [-163.32, 59.18], [-163.25, 59.15], [-163.0, 59.25], [-162.47, 59.03], [-162.25, 58.5], [-162.47, 57.97], [-162.82, 57.82], [-162.97, 57.47], [-163.5, 57.25], [-163.75, 57.35], [-164.0, 57.25], [-164.25, 57.35], [-164.5, 57.25], [-165.03, 57.47], [-165.18, 57.82], [-165.25, 57.85], [-165.5, 57.75], [-165.75, 57.85], [-166.0, 57.75], [-166.25, 57.85], [-166.5, 57.75], [-166.75, 57.85], [-167.0, 57.75], [-167.25, 57.85], [-167.5, 57.75], [-168.03, 57.97], [-168.25, 58.5], [-168.15, 58.75], [-168.18, 58.82], [-168.53, 58.97], [-168.75, 59.5], [-168.65, 59.75], [-168.75, 60.0], [-168.53, 60.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.602517496070618}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.407543194104602}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [0.8503634035920982, 0.6743681633296319, 1.183691345111015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.9497774264635837, 1.1234220836937538, 1.9629080728000758]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.465131220542405, 7.168226806792179, 7.589271554979228]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.9636207859132355, 8.332142044999046, 8.602517496070618]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3603585901381692, 1.3194281860345365, 1.4183319856724759]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.436113867827301, 1.459112238007629, 1.5289128647830776]}}