{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:09.871735", "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": "2022-Oct-17_to_2022-Oct-21_42.0_31.0"}, "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": 2022100002247}, "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 17 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 65424.25230434041}, "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": ["Iraq", "Saudi Arabia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia"]}, "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": 31.0}, "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": 42.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[39.85, 32.25], [39.75, 32.5], [39.97, 33.03], [40.32, 33.18], [40.47, 33.53], [40.82, 33.68], [40.85, 33.75], [40.75, 34.0], 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"Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, 31.5], [39.47, 32.03], [39.82, 32.18], [39.85, 32.25], [39.75, 32.5], [39.97, 33.03], [40.32, 33.18], [40.47, 33.53], [40.82, 33.68], [40.85, 33.75], [40.75, 34.0], [40.97, 34.53], [41.5, 34.75], [41.75, 34.65], [42.0, 34.75], [42.53, 34.53], [42.75, 34.0], [42.65, 33.75], [42.68, 33.68], [43.03, 33.53], [43.25, 33.0], [43.15, 32.75], [43.25, 32.5], [43.15, 32.25], [43.25, 32.0], [43.15, 31.75], [43.25, 31.5], [43.15, 31.25], [43.25, 31.0], [43.03, 30.47], [42.5, 30.25], [42.25, 30.35], [42.18, 30.32], [42.03, 29.97], [41.5, 29.75], [40.97, 29.97], [40.8, 30.38], [40.5, 30.25], [40.25, 30.35], [40.0, 30.25], [39.47, 30.47], [39.25, 31.0], [39.35, 31.25], [39.25, 31.5]], [[41.7, 31.63], [41.82, 31.68], [41.85, 31.75], [41.75, 32.0], [41.65, 31.75], [41.7, 31.63]], [[41.85, 32.25], [41.82, 32.32], [41.75, 32.35], [41.68, 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31.53], [42.25, 31.0], [42.03, 30.47], [41.5, 30.25], [40.97, 30.47], [40.75, 31.0], [40.97, 31.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.314579934035805}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.940224652698011}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.389347595280412, 27.541711351295078, 27.513858344693745, 27.521649135082612, 26.81934457729193]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.533821677943422, 28.895840219694435, 28.578709605496385, 28.75409186999184, 26.81934457729193]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.144454092806304, 3.6577148325192774, 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