{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:17.641577", "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-Sep-19_to_2022-Sep-25_51.5_24.0"}, "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": 2022090002331}, "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": "September 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 25 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 67602.7624047494}, "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": ["Qatar", "Saudi Arabia", "United Arab Emirates"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 24.0}, "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": 51.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "51.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 51.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 55.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[53.75, 24.65], [53.82, 24.68], [53.97, 25.03], [54.5, 25.25], [54.75, 25.15], [55.0, 25.25], [55.53, 25.03], [55.75, 24.5], 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[55.75, 24.5], [55.53, 23.97], [55.0, 23.75], [54.47, 23.97], [54.25, 24.5], [54.47, 25.03]]]]}, "2022-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.5, 23.25], [51.97, 23.47], [51.75, 24.0], [51.97, 24.53], [52.5, 24.75], [52.75, 24.65], [53.0, 24.75], [53.25, 24.65], [53.5, 24.75], [53.75, 24.65], [53.82, 24.68], [53.97, 25.03], [54.5, 25.25], [54.75, 25.15], [55.0, 25.25], [55.53, 25.03], [55.75, 24.5], [55.53, 23.97], [55.0, 23.75], [54.75, 23.85], [54.68, 23.82], [54.53, 23.47], [54.0, 23.25], [53.75, 23.35], [53.5, 23.25], [53.25, 23.35], [53.0, 23.25], [52.75, 23.35], [52.5, 23.25]]]]}, "2022-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 24.5], [50.35, 24.75], [50.25, 25.0], [50.35, 25.25], [50.25, 25.5], [50.47, 26.03], [51.0, 26.25], [51.53, 26.03], [51.68, 25.68], [51.75, 25.65], [52.0, 25.75], [52.25, 25.65], [52.5, 25.75], [53.03, 25.53], [53.25, 25.0], [53.15, 24.75], [53.18, 24.68], [53.25, 24.65], [53.5, 24.75], 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"Mean t2m anomaly over entire duration", "value": 1.9194619674905598}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.59997870860326, 34.572734024531485, 34.676661446448406, 34.73704927261059, 34.284532158858156, 33.58700810897858, 33.32448657108222]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.59997870860326, 34.96341354018301, 35.48443750340698, 35.93434222639155, 35.45259306747886, 34.035678973476934, 33.32448657108222]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.607331402702357, 1.8778932072858652, 1.9868535899238524, 2.1758085349026266, 1.867493745766789, 1.3102160900217479, 1.4206173355033798]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": 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